1990 Jeep Wrangler Performance and Racing Products

Please Select your Vehicle to See Exact Fit Parts

Essential Performance and Racing Products for 1990 Jeep Wranglers

Omix – Distributor Cap; 4.2L; 78-90 Jeep CJ/Wrangler YJ (Part No.17244.09)

Distributor Cap; 4.2L; 78-90 Jeep CJ/Wrangler YJ

from

$28.49
Is your Jeep running rough? Over time ignition parts will deteriorate. It’s easier to replace them now than to have a roadside breakdown in the future. Order high quality ignition parts from Omix-ADA to get your Jeep running smooth again.

Product Features:
  • For 4.2L
  • OE Style
  • Direct Fit
See More

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Center Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942447)

Super 44 Series Muffler, 2.25in Center Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

from

$137.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Mallory – Unilite Ignition Module (Part No.605)

Unilite Ignition Module

from

$95.99
Mallory’s UNILITE (R), and magnetic breaker less ignition modules are self contained module assemblies which have no moving parts to wear out. Using Mallory’s time tested breaker less ignition circuit, combined with modern surface mount thermal-clad construction, these ignition modules can drive both OEM and high performance ignition coils. For best results always use a Mallory PROMASTER coil or a Mallory chrome electronic ignition coil. These are also an excellent choice for triggering one of the Mallory HyFire series of electronic ignition controls. Hookup is as easy as a three wire connection.

Product Features:
  • Service Part
  • No Moving Parts To Wear Out
  • Self Contained Unit
  • Can Drive OEM
  • Can Drive High Performance Ignition Coils
See More

Rancho – Leaf Spring Axle U-Bolt Kit (Part No.RS721)

Leaf Spring Axle U-Bolt Kit

from

$56.99
Replace your old or broken U-bolts with these high strength Rancho replacement U-bolt kits. These kits will work with a stock or an aftermarket leaf spring pack.

Product Features:
  • These replacement U-bolts are for Rancho suspension systems only. Do not use them on other suspension kits.
  • After 100 miles of use and after every off-road use, inspect all U-bolts for proper torque values.
  • Made from high strength steel
  • Works with a stock or an aftermarket leaf spring pack
See More

Energy Suspension – Control Arm Bump Stop Set (Part No.2.9101G)

Control Arm Bump Stop Set

from

$41.49
Energy Suspension performance bump stops help cushion a collapsing suspension, preventing bottoming-out and expensive vehicle damage. Hyper-Flex performance polyurethane bump stops for control arms, traction bars, leaf springs, etc. are guaranteed to last longer and operate more efficiently than original rubber stops. The smaller, general purpose bullet shaped snubber is ideal for control arms. the low profile button head is for use when clearance is limited. Our large competition race style bump stops smooth out compression better and have a large reinforced metal plate welded to the mounting plate and molded-in. Each style is specially designed for a perfect and custom fit and each style has it’s own durometer, hardness, characteristics. Energy’s wide selection of bump stops are available in red or black color.

Product Features:
  • Made of Superior Hyper-Flex+ Material
  • Helps Prevent Damage to Control Arm
See More

Energy Suspension – Hyper-Flex System (Part No.2.18101G)

Hyper-Flex System

from

$390.99
Product Features:
  • Incredible Improvement in Control
  • Maintains Proper Caster and Camber Alignment
  • Increase in Handling and Control
  • Greatly Reduce Wheel Hop on Quick Acceleration
  • Even Braking Control is Improved
  • Better Suspension Stability
See More

Omix – EMPI Carburetor; 300CFM; 72-90 Jeep CJ/Wrangler YJ (Part No.17702.08)

EMPI Carburetor; 300CFM; 72-90 Jeep CJ/Wrangler YJ

from

$775.99
Omix proudly offers all the parts you need to keep your Willys/Jeep running like new with quality standards that always meet or exceed those of the factory part. This replacement EMPI design 300 cfm carb is an upgrade for Carter 2-barrel carbs on 72-83 CJ5 4.2 liter, 76-83 CJ7 3.8/4.2 liter, 81-86 CJ8 4.2 liter and 87-90 Wrangler YJ 4.2 liter models. Kit includes carb, base plate, air cleaner assembly, fuel hoses, clamps, hardware and instructions.

Product Features:
  • Upgrade
  • 34mm DGEV
  • Replaces Carter 2 Barrel YF
  • Up To 18 Percent HP Gain
  • Includes Everything Needed For Installation
See More

Powertrax – Lock Right Locker (Part No.2310-LR)

Lock Right Locker

from

$359.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • See More

    Energy Suspension – Track Arm Bushing Set (Part No.2.7103G)

    Track Arm Bushing Set

    from

    $24.99
    Product Features:
    • Made from HYPER-Flex Polyurethane
    See More

    Energy Suspension – Coil Spring Isolator Set (Part No.2.6102G)

    Coil Spring Isolator Set

    from

    $71.99
    Made of superior Hyper-Flex material. Saves replacing again and again, lasting 3 to 10 times longer. Assemble to chassis the same way as OEM isolators and do not adversely change ride characteristics.

    Product Features:
    • Made of Superior Hyper-Flex+ Material
    • Lasts from 3 to 10 Times Longer
    • Assemble to Chassis Same Way as OEM
    • Maintains Factory Ride Characteristics
    • Simple Way to Increase Vehicle Height
    See More

    Energy Suspension – Sway Bar Bushing Set (Part No.2.5107G)

    Sway Bar Bushing Set

    from

    $25.99
    Energy Suspension performance polyurethane sway bar bushings and end links offer the greatest improvement in performance among all the products Energy offers. They make a vehicle’s sway bar system much more effective like adding a larger, higher performance sway bar! Economy, increased efficiency, and easy installation are just some of the reasons these products are so popular. Made of Hyper-Flex polyurethane that lasts much longer than O.E.M. rubber bushings.

    Product Features:
    • Allows Sway Bar System to Work At 100% Efficiency
    • Zerk Type Fittings
    • Allows for Periodic Greasing
    • Lasts Much Longer Than OEM Rubber Bushings
    • Handling Characteristics Improve Dramatically
    See More

    Russell – Street Legal, Wrangler (YJ) with 4" lift (Part No.695940)

    Street Legal, Wrangler (YJ) with 4" lift

    from

    $105.99
    Russell’s wide variety of lightweight aluminum adapter fittings allow for the connection of Russell hose ends to almost any component. Adapters are offered in standard thread, metric thread and pipe thread to fit most popular oil pumps, fuel pumps, fuel f
    See More

    Energy Suspension – Transmission Mount (Part No.2.1103G)

    Transmission Mount

    from

    $97.99
    A true performance application component for cars, trucks, hot rods, racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.

    Product Features:
    • Unique Safety Interlock Design
    • Impervious to Vehicle Oils and Chemicals
    • Strong Enough Too Handle High Performance
    See More

    Mr. Gasket – Thermocap Radiator Cap (Part No.2470B)

    Thermocap Radiator Cap

    from

    $55.99
    The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

    Product Features:
    • Indicates coolant temperature
    • Helps prevent coolant injuries
    • Fahrenheit and centigrade readings
    • Color-coded temperature ranges
    • Integrated coolant reclamation valve
    • Improves under-hood appearance
    • Chromed crown with a colored trim ring
    See More

    Mr. Gasket – High Performance Thermostat (Part No.4365)

    High Performance Thermostat

    from

    $32.49
    Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

    Product Features:
    • Opens At 195 Degrees
    • Designed to Resist Large Variations of Coolant Pressure at High RPM
    • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
    • For High Performance Street, Drag Race, and Oval Track
    • Copper & Brass Construction – Resists Corrosion
    • High Flow
    See More

    Energy Suspension – Sway Bar Bushing Set (Part No.2.5110R)

    Sway Bar Bushing Set

    from

    $34.49
    Energy Suspension performance polyurethane sway bar bushings and end links offer the greatest improvement in performance among all the products Energy offers. They make a vehicle’s sway bar system much more effective like adding a larger, higher performance sway bar! Economy, increased efficiency, and easy installation are just some of the reasons these products are so popular. Made of Hyper-Flex polyurethane that lasts much longer than O.E.M. rubber bushings.

    Product Features:
    • Allows Sway Bar System to Work At 100% Efficiency
    • Zerk Type Fittings
    • Allows for Periodic Greasing
    • Lasts Much Longer Than OEM Rubber Bushings
    • Handling Characteristics Improve Dramatically
    See More

    MSD Ignition – Coil; Mitsubishi; Dodge; 96-on (Part No.8239)

    Coil; Mitsubishi; Dodge; 96-on

    from

    $128.99
    MSD offers these two 4-tower coils as replacements for a variety of years ranging from 1994-2003 on vehicles including Mitsubishi, Neon’s and others. Note: flat terminals are used on PN 8239. Some OE coils use round terminals. The MSD coil features flat terminals. Contact MSD customer service for the connector to convert round terminals to flat. If you plan to run an MSD DIS ignition please look at PN 8883 for a direct plug-in wiring harness.

    Product Features:
    • Performance replacement for Mitsubishi 2.0L 1996 to early 1999
    • Performance replacement for Dodge 2.0L from mid 1997 to 2002
    • 77:1 Turns Ratio
    • Lower Primary Resistance Produces High Voltage Output
    • Works w/Stock Ignition As Well As MSD Ignitions
    • Flat terminal connection only
    • CARB E.O. Approved
    See More

    Mallory – Promaster Classic Series; Ignition Coil (Part No.29440)

    Promaster Classic Series; Ignition Coil

    from

    $204.99
    Universal street and strip. For street-driven vehicles with breaker point ignition or OE electronic ignition. Delivers optimum performance when used with these Mallory ignition products: UNILITE (R) distributor with a HYFIRE (R) capacitive discharge ignition, magnetic breaker less distributor with a HYFIRE (R) capacitive discharge ignition, or dual point distributor. Effective to approximately 6500 RPM when used with a point type distributor (depending on engine combination). Effective to approximately 8000 RPM when used with a Mallory HYFIRE electronic ignition control (depending on engine combination).

    Product Features:
    • Glass Filled Polyester Case
    • Longer Spark Duration
    • Increased Performance
    • No Energy Loss Due To Arcing
    • Includes Brass Contact Terminal
    See More

    Rugged Ridge – Heavy Duty Differential Skid Plate (Part No.16597.35)

    Heavy Duty Differential Skid Plate

    from

    $114.99
    Protect your factory differential cover with these heavy duty skid plates. Designed to fit the contours of your stock differential cover and made of durable 3/16-inch black powdercoated steel, these skid plates will help you slide over obstacles.

    Product Features:
    • Black Powder Coated
    • 3/16 in. Steel
    • Use w/ Factory Diff Cover
    • Mounting Hardware Included
    See More

    Rugged Ridge – Skid Plate (Part No.DMC-16597.44)

    Skid Plate

    from

    $205.99
    Protect your factory differential cover with These heavy-duty skid plates. Designed to fit the contours of your stock differential cover. Constructed of durable 3/16 in. black powder coated steel, these skid plates will help you slide over obstacles and not get hung up. Includes replacement mounting hardware and instructions. Will not fit Aluminum Housing D44A.

    Product Features:
    • Black Powder Coated
    • 3/16 in. Steel
    • Use w/Factory Diff Cover
    • Mounting Hardware Included
    • Jeep Logo
    See More

    Energy Suspension – Tie Rod Dust Boot (Part No.9.13101G)

    Tie Rod Dust Boot

    from

    $5.99
    Repair torn and worn-out boots of suspension tie rod ends – without having to buy the entire and expensive tie rod. Adds durability surpassing most OEM rubber boots. Exclusive 5 point sealing action. Choose from four sizes and round or octagon styles. Made of Energy’s Hyper-Flex performance polyurethane for added performance and durability.

    Product Features:
    • Easy to Install
    • Superior Material
    • Saves Your Tie Rods
    • Lasts Longer
    • Looks Great
    See More

    Energy Suspension – Tie Rod Dust Boot (Part No.9.13102R)

    Tie Rod Dust Boot

    from

    $6.29
    Repair torn and worn-out boots of suspension tie rod ends – without having to buy the entire and expensive tie rod. Adds durability surpassing most OEM rubber boots. Exclusive 5 point sealing action. Choose from four sizes and round or octagon styles. Made of Energy’s Hyper-Flex performance polyurethane for added performance and durability.

    Product Features:
    • Easy to Install
    • Superior Material
    • Saves Your Tie Rods
    • Lasts Longer
    • Looks Great
    See More

    MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.16695)

    Street Series Cat-Back Performance Exhaust System

    from

    $881.99
    The MagnaFlow 2004-2006 Jeep Wrangler Street Series Cat-Back Performance Exhaust System brings out the personality of your 4.0L 2004-2006 Jeep Wrangler with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Single Straight Passenger Side Rear exit with 2.75in. Polished Welded-On Single Wall Turndown Cut Edge tips, this Jeep Wrangler exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Jeep Wrangler’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 16695 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16695 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

    Product Features:
    • Durable corrosion-resistant stainless steel construction
    • CNC precision robotic manufacturing techniques
    • Dyno-proven performance
    See More

    MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.15855)

    Street Series Cat-Back Performance Exhaust System

    from

    $845.99
    The MagnaFlow 2000-2006 Jeep Wrangler Street Series Cat-Back Performance Exhaust System brings out the personality of your 2.4L, 2.5L, 4.0L 2000-2006 Jeep Wrangler with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Single Straight Passenger Side Rear exit with 2.75in. Polished Welded-On Single Wall Turndown Cut Edge tips, this Jeep Wrangler exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Jeep Wrangler’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15855 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15855 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

    Product Features:
    • Durable corrosion-resistant stainless steel construction
    • CNC precision robotic manufacturing techniques
    • Dyno-proven performance
    See More

    Energy Suspension – Shackle Bushing Set (Part No.2.2120G)

    Shackle Bushing Set

    from

    $20.79
    Product Features:
    • Made from HYPER-Flex Polyurethane
    See More

    Earls Performance Product – Brake Bleeder Screws (Part No.280035ERL)

    Brake Bleeder Screws

    from

    $40.49
    Brake Bleeder Screws

    Upgrade your 1990 Jeep Wrangler with Top-Quality Performance and Racing Products

    When it comes to maintaining or upgrading your 1990 Jeep Wrangler, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Jeep or enhancing its overall performance, Performance and Racing Products are key to keeping your Wrangler functioning at its best. At Advance Auto Parts, we offer a wide selection of 36 Performance and Racing Products for the 1990 Jeep Wrangler, designed to meet your needs without breaking the bank. From Performance Fuel System replacements to Performance Ignition Products upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

    Affordable Prices and Wide Selection

    Shopping for Performance and Racing Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Performance and Racing Products for your 1990 Jeep Wrangler at great prices. Our Performance and Racing Products inventory for this model ranges from just $5.99 to $775.99, with an average price of $138.61. Our 36 Performance and Racing Products in stock come from 12 trusted brands, so you’re sure to find the right part for your 1990 Jeep Wrangler without overspending.

    Top Brands and High Customer Satisfaction

    Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1990 Jeep Wrangler, we stock popular OEM and aftermarket Performance and Racing Products from top names like Mallory, Energy Suspension, Flowmaster Inc., and more. Mallory Performance and Racing Products start at just $95.99 and boast an impressive 4.9 stars average rating from customers. Energy Suspension and Flowmaster Inc. also bring quality to the table, with Performance and Racing Products available starting at $5.99, and at an average 4.4 stars rating. With 384 customer reviews and counting, our 1990 Jeep Wrangler Performance and Racing Products have a strong track record of reliability, ensuring you can trust your purchase.

    Explore Related Parts and More

    While you’re here, don’t forget to check out other essential categories that go hand in hand with Performance and Racing Product upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1990 Jeep Wrangler is always ready to roll. We’re committed to providing you with everything you need to keep your Wrangler in top shape, all in one place. Start shopping confidently below for your 1990 Jeep Wrangler!

    Best-Selling Performance Fuel Systems for 1990 Jeep Wranglers

    Enhance the driving experience in your Jeep with 1 quality Performance Fuel System components, starting at $775.99.

    Omix – EMPI Carburetor; 300CFM; 72-90 Jeep CJ/Wrangler YJ (Part No.17702.08)

    EMPI Carburetor; 300CFM; 72-90 Jeep CJ/Wrangler YJ

    from

    $775.99
    Omix proudly offers all the parts you need to keep your Willys/Jeep running like new with quality standards that always meet or exceed those of the factory part. This replacement EMPI design 300 cfm carb is an upgrade for Carter 2-barrel carbs on 72-83 CJ5 4.2 liter, 76-83 CJ7 3.8/4.2 liter, 81-86 CJ8 4.2 liter and 87-90 Wrangler YJ 4.2 liter models. Kit includes carb, base plate, air cleaner assembly, fuel hoses, clamps, hardware and instructions.

    Product Features:
    • Upgrade
    • 34mm DGEV
    • Replaces Carter 2 Barrel YF
    • Up To 18 Percent HP Gain
    • Includes Everything Needed For Installation
    See More

    Most Popular 1990 Jeep Wrangler Performance Ignition Products

    Customize your Jeep with 2 Performance Ignition Products products like Performance Coils and Performance Ignition Parts, all priced under $204.99.

    Mallory – Unilite Ignition Module (Part No.605)

    Unilite Ignition Module

    from

    $95.99
    Mallory’s UNILITE (R), and magnetic breaker less ignition modules are self contained module assemblies which have no moving parts to wear out. Using Mallory’s time tested breaker less ignition circuit, combined with modern surface mount thermal-clad construction, these ignition modules can drive both OEM and high performance ignition coils. For best results always use a Mallory PROMASTER coil or a Mallory chrome electronic ignition coil. These are also an excellent choice for triggering one of the Mallory HyFire series of electronic ignition controls. Hookup is as easy as a three wire connection.

    Product Features:
    • Service Part
    • No Moving Parts To Wear Out
    • Self Contained Unit
    • Can Drive OEM
    • Can Drive High Performance Ignition Coils
    See More

    Mallory – Promaster Classic Series; Ignition Coil (Part No.29440)

    Promaster Classic Series; Ignition Coil

    from

    $204.99
    Universal street and strip. For street-driven vehicles with breaker point ignition or OE electronic ignition. Delivers optimum performance when used with these Mallory ignition products: UNILITE (R) distributor with a HYFIRE (R) capacitive discharge ignition, magnetic breaker less distributor with a HYFIRE (R) capacitive discharge ignition, or dual point distributor. Effective to approximately 6500 RPM when used with a point type distributor (depending on engine combination). Effective to approximately 8000 RPM when used with a Mallory HYFIRE electronic ignition control (depending on engine combination).

    Product Features:
    • Glass Filled Polyester Case
    • Longer Spark Duration
    • Increased Performance
    • No Energy Loss Due To Arcing
    • Includes Brass Contact Terminal
    See More

    Top Picks for 1990 Jeep Wrangler Performance Exhaust Products

    Upgrade Jeep Wranglers with top-quality Performance Exhaust Products parts, including 3 OEM and aftermarket selections for your 1990 model.

    Flowmaster Inc. – Super 44 Series Muffler, 2.25in Center Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942447)

    Super 44 Series Muffler, 2.25in Center Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

    from

    $137.99
    Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
    See More

    Dynomax – Single – 2.25in Cat-Back Exhaust System – Super Turbo Muffler: Aluminized Steel (Part No.17309)

    Single - 2.25in Cat-Back Exhaust System - Super Turbo Muffler: Aluminized Steel

    from

    $235.99
    Give your Jeep Wrangler YJ’s exhaust system an upgrade with a DynoMax Super Turbo single 2.25-in. cat-back exhaust system. Features a DynoMax Super Turbo muffler that channels exhaust flow and reduces turbulence and fiberglass matting that absorbs unwanted interior resonance for a mellow tone.

    Product Features:
    • COMPATIBILITY : Designed for Jeep Wrangler YJ; see product information for compatibility and engine specifications
    • COMPLETE SOLUTION : Includes DynoMax Super Turbo muffler, pipe and clamps
    • EASY TO INSTALL : Direct-fit pre-assembled solution with welded hangers, pipes and clamps for easy installation that doesn’t require specialized fabrication and/or welding
    • IMPROVED FLOW CAPACITY : Aluminized steel tubing with mandrel bends improves flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
    • PRECISION DESIGN : Exclusive flow director technology channels exhaust flow and reduces turbulence on most applications; dyno proven to flow up to 373 SCFM
    • PREMIUM PERFORMANCE : Large flow tubes improve exhaust flow and reduce backpressure
    • ENGINEERED TO LAST : Aluminized-steel muffler reduces corrosion and internal drainage system reduces moisture collection
    • SPECS : Welded 2.5-in. outlet single wall, buffed and polished stainless steel slant cut tip
    See More

    Flowmaster Inc. – 40 Series Muffler, 2.25in Center Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942442)

    40 Series Muffler, 2.25in Center Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

    from

    $152.99
    This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
    See More

    In-Demand Performance Distributors for 1990 Jeep Wranglers

    Select from 1 premium Performance Distributors parts for your 1990 Jeep Wrangler.

    Omix – Distributor Cap; 4.2L; 78-90 Jeep CJ/Wrangler YJ (Part No.17244.09)

    Distributor Cap; 4.2L; 78-90 Jeep CJ/Wrangler YJ

    from

    $28.49
    Is your Jeep running rough? Over time ignition parts will deteriorate. It’s easier to replace them now than to have a roadside breakdown in the future. Order high quality ignition parts from Omix-ADA to get your Jeep running smooth again.

    Product Features:
    • For 4.2L
    • OE Style
    • Direct Fit
    See More

    Most Sold 1990 Jeep Wrangler Performance Engines

    Explore our best-selling Jeep parts for the 1990 Wrangler among 5 OEM and aftermarket options starting from $32.49.

    Mr. Gasket – High Performance Thermostat (Part No.4365)

    High Performance Thermostat

    from

    $32.49
    Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

    Product Features:
    • Opens At 195 Degrees
    • Designed to Resist Large Variations of Coolant Pressure at High RPM
    • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
    • For High Performance Street, Drag Race, and Oval Track
    • Copper & Brass Construction – Resists Corrosion
    • High Flow
    See More

    Competition Cams – Xtreme 4X4 206/214 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L (Part No.CL68-231-4)

    Xtreme 4X4 206/214 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L

    from

    $559.99
    Xtreme 4X4 206/214 Hydraulic Flat Cam and Lifter Kit for AMC/Jeep 199-258/4.0L

    Competition Cams – Xtreme 4X4 210/218 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L (Part No.68-235-4)

    Xtreme 4X4 210/218 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L

    from

    $458.99
    Xtreme 4X4 210/218 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L

    Competition Cams – Xtreme 4X4 206/214 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L (Part No.68-231-4)

    Xtreme 4X4 206/214 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L

    from

    $426.99
    Xtreme 4X4 206/214 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L

    Competition Cams – Xtreme 4X4 218/226 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L (Part No.68-239-4)

    Xtreme 4X4 218/226 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L

    from

    $426.99
    Xtreme 4X4 218/226 Hydraulic Flat Cam for AMC/Jeep 199-258/4.0L

    Top-Rated Performance and Racing Products Brands For Your 1990 Jeep Wrangler

    Shop for the best-rated brands offering Performance and Racing Products and other products for your 1990 Jeep Wranglers. Below you’ll find some of our best rated Performance and Racing Products from Mallory, Energy Suspension, and Flowmaster Inc., and more. Performance and Racing Products from these brands that fit a 1990 Wrangler start at just $5.99 and are rated as high as 4.9 stars. OEM and aftermarket Performance and Racing Products don’t get more top quality, durable, and affordable than from the brands below.

    Popular Mallory 1990 Jeep Wrangler Performance and Racing Products

    When it comes to maintaining or upgrading your 1990 Jeep Wrangler, using quality Performance and Racing Products is essential to ensure durability and a perfect fit. Mallory ticks all of those boxes. We offer a wide selection of Mallory Performance and Racing Products, specifically designed for the 1990 Jeep Wrangler. With over 1 Mallory brand Performance and Racing Products in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $95.99. Plus, with over 3 customer reviews and an average rating of 4.9 stars, you can trust that our Mallory Performance and Racing Products will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
    Unilite Ignition Module
    from $95.99
    (3)
    Unilite Ignition Module
    “I like the Unilite product because it is so small and compact compared to the HEI stuff I normally use. If you are restricted on space Its a great pro”

    Popular Energy Suspension 1990 Jeep Wrangler Performance and Racing Products

    Energy Suspension auto parts is one of the highest quality Performance and Racing Product brands in the market. Any 1990 Jeep Wrangler owner should feel confident when installing genuine Energy Suspension parts in their vehicle. To ensure the best fit and performance for your 1990 Wrangler, Advance Auto Parts carries a full inventory of 2 Energy Suspension Performance and Racing Products. Plus you will be keeping your Jeep in peak condition while saving money because prices on these Energy Suspension Performance and Racing Products range from $5.99 to $46.49, plus, with more than 20 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Performance and Racing Products below will deliver on both quality and value.
    High Performance Transmission Mount for Street & Racing Vehicles
    from $46.49
    (17)
    High Performance Transmission Mount for Street & Racing Vehicles
    “The best you can buy. Don’t be a cheap skate. Spend a little extra and get the good stuff. I used in 72′ chevy C-10. Has been restrored has 425 hp wit”
    Tie Rod Dust Boot
    from $5.99
    (3)
    Tie Rod Dust Boot
    “Replaced the old torn boot and added a bit of color for a low cost.”

    FAQs for 1990 Jeep Wrangler Performance and Racing Products

    Which Performance and Racing Products are best-sellers for 1990 Jeep Wranglers?

    Out of 36 Performance and Racing Products that fit 1990 Jeep Wranglers, the following parts are the top sellers:

    What’s the price range for 1990 Jeep Wrangler Performance and Racing Products?

    Performance and Racing Product prices for the 1990 Jeep Wrangler start at $5.99 and go up to $775.99 for the most premium parts.

    What’s the average price of a Performance and Racing Product for a 1990 Jeep Wrangler?

    The average price for Performance and Racing Products for the 1990 Jeep Wrangler is $138.61. Keep in mind the variety of part types within our Performance and Racing Product category so you are likely to find a wide range of prices across a variety of parts and components.

    Does Advance Auto Parts sell Performance and Racing Products for other Jeep Wrangler model years?

    Yes, we currently carry Performance and Racing Products for 37 model years of Jeep Wranglers between 1987 and 2026. Performance and Racing Products are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

    What are the cheapest Performance and Racing Products for my 1990 Jeep Wrangler?

    The cheapest 1990 Jeep Wrangler Performance and Racing Products we carry in stock are:

    What are the top-rated Performance and Racing Products that fit the 1990 Jeep Wrangler?

    Out of 384 reviews by customers, our 1990 Jeep Wrangler Performance and Racing Products have an average customer rating of . These are some of the highest-rated Performance and Racing Product types for the 1990 Jeep Wrangler and their top-rated products:

    What types of Performance and Racing Products do you sell for my 1990 Jeep Wrangler?

    As of 3/1/26, these are some of the most in-demand types of Performance and Racing Products for a 1990 Jeep Wrangler:

    Can I get help with 1990 Jeep Wrangler Performance and Racing Product orders?

    Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Jeep Performance and Racing Products and more.

    What is your return policy for Jeep Wrangler Performance and Racing Products?

    Advance Auto Parts keeps returns simple. For new Jeep Wrangler Performance and Racing Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.