1985 Jeep J20 Performance and Racing Products

Essential 1985 Jeep J20 Performance and Racing Products

Rugged Ridge – Heavy Duty Differential Cover (Part No.16595.44)

Heavy Duty Differential Cover

from

$271.99
Made from either 3/8 inch cast steel or 5/16 inch stamped steel, these heavy-duty covers are designed to protect your differential and all its working parts for as long as you own your vehicle.

Product Features:
  • Painted Black Inside and Out
  • 3/8 in. Cast Steel
  • Reinforced Protection For Fill Plug
  • Hardware Included
  • Limited 5 Year Warranty
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Omix – Engine Mount (Part No.17473.16)

Engine Mount

from

$64.99
Is your Jeep engine moving too much when you rev it up? Are there unusual noises when you accelerate? The rubber in the engine mounts takes a beating from engine torque every time you use the gas pedal. Omix-ADA offers high quality replacement engine moun

Product Features:
  • Left Or Right Side
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Omix – Thermostat Gasket (Part No.17117.03)

Thermostat Gasket

from

$3.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • OE Style
  • Direct Fit
  • Highly Durable
  • Long Lasting
  • Limited 5 Year Warranty
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Accel – High Energy Ignition Coil for GM HEI – 1973-1991 (Part No.140003)

High Energy Ignition Coil for GM HEI - 1973-1991

from

$100.99
Engineered for higher energy output resulting in quicker starting, improved idle quality, crisper throttle response and more high RPM power. Compatible with both original HEI ignition systems and later model computer controlled HEI systems. No need to remove or re-time distributor. Complete with simplified ground strap, mounting screws, silicone coil gasket and carbon contact brush / spring.

Product Features:
  • 10-15% More Energy
  • Direct Plug In Replacement Direct OE Fit
  • Advanced Bobbin Technology
  • Highly Specialized Silicone Magnetic Steel Cores
  • Standard Motor Products SMP Dr-31
  • MSD 8225
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FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1434)

Exhaust Manifold Gasket Set

from

$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
  • Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
  • Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
  • Slotted bolt holes allow for easier header installation.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – Performer Intake Manifold for 1970-91 AMC, Non-EGR, Satin Finish (Part No.2131)

Performer Intake Manifold for 1970-91 AMC, Non-EGR, Satin Finish

from

$424.99


Product Features:
  • For Idle to 5500 RPM Street-Driven Performance
  • Dual-Plane Low-Rise Intake w/180 deg. Firing Order
  • Patented Runner Design Ensures Broad Torque Curve
  • Excellent Throttle Response and Mid-Range Power
  • 50-State Street Legal if Correct Carburetor Used
  • Not for Stock Motorcraft Spread Bore Carburetor
  • Two Center Bolt Holes are Offset
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Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

from

$31.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 3/8″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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Edelbrock – Performer-Plus Camshaft Kit for AMC 290-401 V8 (Part No.2132)

Performer-Plus Camshaft Kit for AMC 290-401 V8

from

$353.99


Product Features:
  • Designed for Optimum Torque and Acceleration
  • Maximum Performance From Idle through Mid-Range
  • Matched To Performer Intakes PN[2131/3731]
  • Includes Hydraulic Lifters and Assembly Lube
  • Major Improvement in Throttle Response and Torque
  • Use For Daily Drivers/Trucks/Vans/RVs/4x4s
  • Take The Guesswork Out Of Camshaft Selection
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Mr. Gasket – Thermocap Radiator Cap (Part No.2470R)

Thermocap Radiator Cap

from

$48.09
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
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Edelbrock – Signature Series Valve Covers: AMC/Jeep 290-401 V8 1967-91, Chrome Steel (Part No.4431)

Signature Series Valve Covers: AMC/Jeep 290-401 V8 1967-91, Chrome Steel

from

$75.99
The Edelbrock #4431 Signature Series Valve Covers are designed for AMC/Jeep 290-304-343-360-390-401 V8 ’67-91 applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

Product Features:
  • AMC/Jeep 290-401 V8 1967-91
  • Short
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Omix – Oil Pan Gasket (Part No.17439.06)

Oil Pan Gasket

from

$56.99
Tired of looking at the stains on your driveway? Are you repairing or rebuilding your engine? Gaskets are a cheap solution to prevent or stop leaks. Omix-ADA offers high quality replacement gaskets designed specifically for your Jeep.

Product Features:
  • Rubber
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Richmond Gear – Differential Ring And Pinion (Part No.69-0057-1)

Differential Ring And Pinion

from

$379.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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Omix – Flywheel; Manual Transmission (Part No.16912.08)

Flywheel; Manual Transmission

from

$373.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Use With AMC 360
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

from

$26.99
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 180 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
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Motive Gear – Differential Mini Spool (Part No.MSD44-30)

Differential Mini Spool

from

$101.99


Product Features:
  • MINI SPOOL – DANA 44, 30 SPL.
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Rugged Ridge – Skid Plate (Part No.DMC-16597.44)

Skid Plate

from

$184.99
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 Inch black powder coated steel, these skid plates will help you slide over obstacles and

Product Features:
  • Black Powder Coated
  • 3/16 in. Steel
  • Use w/ Factory Diff Cover
  • Mounting Hardware Included
  • Jeep Logo
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Earls Performance Product – Solo Bleed (Part No.280021ERL)

Solo Bleed

from

$32.59


Product Features:
  • Prevents Air Inclusion
  • Direct Replacement
  • For OE Bleeders
  • One Person Bleeds Safely
  • Without The Mess
  • No Chance Of Air Bubbles
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MSD Ignition – Distributor; 6-cyl. AMC Jeep 232-258; 4.0L (Part No.8516)

Distributor; 6-cyl. AMC Jeep 232-258; 4.0L

from

$605.99
There is a big following of AMC enthusiasts that are cruising a 401 equipped Javelin or trail blazing in a rock crawling Jeep with an inline 6-cylinder! MSD offers two Pro-Billet Distributors to deliver accurate trigger signals and are maintenance-free! This pick-up never requires adjustment and simply plugs right into an MSD Ignition Control. Just above it and under our strong race rotor is an adjustable mechanical advance assembly. The chro-moly weights of this assembly slide on nylon bushings producing smooth movement of the timing. You can easily adjust the curve to match your engine’s requirements with the supplied springs and stop bushings. Each precision CNC-machined billet aluminum housing features a sealed ball-bearing and long sintered bushing for stability at any rpm and increased endurance. An oversized steel shaft receives a QPQ coating to reduce friction and prevent corrosion. Both distributors are supplied with a high quality cap, rotor and gear. There is even a vacuum advance canister for street cruising economy!

Product Features:
  • Designed For Street/Performance Use w/Mech or Vacuum Advance
  • Must Be Used w/An MSD Ignition Control
  • Supplied w/Socket Style Distributor Cap And Rotor
  • Nylon pads ensure smooth operation of the advance weights
  • Advance weight pins are staked and tig welded to the plate
  • Mech. advance assem. can be locked out for crank trigger systems
  • Advance plate and weights are fine blanked from chrome moly steel
  • QPQ coated for friction reduction
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Mallory – Distributor Wiring Harness (Part No.29349)

Distributor Wiring Harness

from

$30.49


Product Features:
  • Service Part
  • Makes Connections Quick And Easy
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K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-2006)

Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine

from

$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N’s pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.

Product Features:
  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
  • PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
  • EASY TO REMOVE: Fast and easy Wrench-Off removal
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
  • HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
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Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for AMC/Jeep (Part No.7372)

Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for AMC/Jeep

from

$171.99
The Edelbrock #7372?head gaskets provide the best sealing solution and are matched to Edelbrock cylinder heads for optimal performance. Edelbrock relies on industry leading head gasket manufactures to ensure our head gasket sets will provide the best fit

Product Features:
  • Head: 4.275″ Bore/0.045″ Thick/10.60cc Vol.
  • Intake: 1.13″x2.21″ Port/.030″ Thick
  • Exhaust: 1.80″x1.30″ Port
  • 3/16″ Valve Cover
  • Multi Piece Configuration
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Russell – Street Legal, J10 & J20 Pickup with 4" lift (Part No.695920)

Street Legal, J10 & J20 Pickup with 4" lift

from

$85.99
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
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Omix – Timing Cover Oil Seal (Part No.17449.50)

Timing Cover Oil Seal

from

$13.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Metal Outer Rubber Inner
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Omix – Exhaust Manifold (Part No.17624.06)

Exhaust Manifold

from

$261.99
Are you smelling exhaust in your Jeep? Can you hear an exhaust leak? If so, you may have a cracked exhaust manifold. Omix-ADA offers high quality exhaust manifolds and gaskets to solve the problem.

Product Features:
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Accel – Distributor Cap And Rotor Kit (Part No.8124)

Distributor Cap And Rotor Kit

from

$48.49


Product Features:
  • Heavy Duty Cap and Rotor Kit
  • With Brass Inserts
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Omix – Rocker Arm Kit (Part No.17411.05)

Rocker Arm Kit

from

$48.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Includes 2 Arms; 2 Pivots And 1 Bridge
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
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Edelbrock – Pushrod Set for AMC 343-401 (Part No.9637)

Pushrod Set for AMC 343-401

from

$206.99
Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
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1985 Jeep J20 Performance and Racing Products

You count on your 1985 Jeep J20 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Performance and Racing Products. With 35 Performance and Racing Products ranging in price from $1.49 to $504.99, you’re sure to find everything you need for your 1985 Jeep J20.

Brands matter. If you want to shop a specific Performance and Racing Products brand, we stock 14 different brands like K&N, Accel, and Mr. Gasket. 1985 Jeep J20 Performance and Racing Products start as low as $1.49!

One of the best ways to find top quality OEM or aftermarket Performance and Racing Products is by asking professionals. Short of that, you can shop with confidence thanks to our 133 extensive product reviews on 1985 Jeep J20 Performance and Racing Products. Some of the top-rated Performance and Racing Products products we carry are Skid Plate with 2.6 stars and Unilite Ignition Module with 5.0 stars.

Did we mention you can order your Performance and Racing Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Performance and Racing Products inventory for your 1985 Jeep J20 below to get started!

Top-Rated Performance and Racing Products Brands For Your 1985 Jeep J20

Trusted Performance and Racing Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1985 Jeep J20 running right for years to come. In our inventory you’ll find brands like K&N, Accel, Mr. Gasket, and even more.

Popular Competition Cams Performance and Racing Products

You’ll find popular Competition Cams brand products across Performance Engines. All are waiting to get your 1985 Jeep J20 back on the road. Some of the top-rated Competition Cams products in these categories are:
VALVE SEALS, TEFLON 3/8" 1 ST
from $31.99
(1)
VALVE SEALS, TEFLON 3/8" 1 ST
Performance Engine Valve Stem Seal Sets

FAQs for 1985 Jeep J20 Performance and Racing Products

What are the most purchased Performance and Racing Products for the 1985 Jeep J20?

Out of 35 Performance and Racing Products for the 1985 Jeep J20, the most popular in our inventory are:
High Performance 180 Degree Thermostat for Increased Flow
from $26.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
High Performance Thermostat
from $27.49
This product is not rated
High Performance Thermostat
Performance Engine Coolant Thermostats

What are the top-rated 1985 Jeep J20 Performance and Racing Products?

Top-rated Performance and Racing Products for your 1985 Jeep J20 based on customer reviews/ratings are:
Skid Plate
from $184.99
(5)
Skid Plate
“The part was perfect, the car runs better and drive smoother than before, highly recommend Advance Auto Parts”
Unilite Ignition Module
from $85.29
(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”
Performer Intake Manifold for 1970-91 AMC, Non-EGR, Satin Finish
from $424.99
(1)
Performer Intake Manifold for 1970-91 AMC, Non-EGR, Satin Finish
“I installed this manifold and a Edelbrock 1406 carb to replace the factory system after 27 years of service. This helped performance while driving fro”