Jeep J-3800 Performance Engines

Your One-Stop Shop For Trusted Jeep J-3800 Performance Engines

If you’re in search of Jeep J-3800 Performance Engines aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 45 Performance Engines from top brands with prices ranging from $10.99 to $1,201.99.

Beyond great prices, we stock trusted brands manufacturing all types of Performance Engines for your Jeep J-3800.

And don’t forget to read customer reviews across all Performance Engines categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Performance Engines have to cost top dollar, and we prove it. Browse our top Jeep J-3800 Performance Engines below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Jeep J-3800 Performance Engines

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
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Competition Cams – Xtreme Energy 230/236 Hydraulic Flat Cam (Part No.12-246-3)

Xtreme Energy 230/236 Hydraulic Flat Cam

from

$258.99
HYDRAULIC – Xtreme Energy: Very strong mid-range torque and throttle response, 2200+ stall.

Product Features:
  • HYDRAULIC – Xtreme Energy: Very strong mid-range torque and throttle response, 2200+ stall.
  • 274/286 Advertised Duration, 230/236 Duration @ .050″, .490″/.490″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
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Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam (Part No.12-242-2)

Xtreme Energy 224/230 Hydraulic Flat Cam

from

$251.99
HYDRAULIC – Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall.

Product Features:
  • HYDRAULIC – Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall.
  • 268/280 Advertised Duration, 224/230 Duration @ .050″, .477″/.480″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
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Competition Cams – Magnum 224/224 Hydraulic Flat Cam (Part No.12-212-2)

Magnum 224/224 Hydraulic Flat Cam

from

$226.99
HYDRAULIC – Magnum: Great for street machines. Needs 2200+ stall, headers and gears. Rough idle.

Product Features:
  • HYDRAULIC – Magnum: Great for street machines. Needs 2200+ stall, headers and gears. Rough idle.
  • 280/280 Advertised Duration, 230/230 Duration @ .050″, .480″/.480″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
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B & M – Holeshot 3600 (Part No.20425)

Holeshot 3600

from

$972.99
HoleShot 3600 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: HoleShot 3600 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot converter will provide several advantages and benefits in vehicles with modified engines. Many modifications, particularly big cams, tend to reduce low end power and torque. The high stall converter allows the engine to launch the car at higher rpm where more torque is available. The Holeshot is generally a very good choice for the typical street machine that is looking for better launch capability and more strength. Street rods with modified engines will also benefit from a Holeshot converter. If your vehicle is equipped with a plate type nitrous system, you will need a Nitrous Holeshot!! Stall speed listings are based on engines producing 230lb. ft. of torque at 2,500 rpm. More torque at 2,500 rpm will give you more stall speed, less torque at 2,500 rpm will give you less stall speed than the stall speed ratings indicated. Furnace brazed impeller. New precision steel alloy pump drive tube. New heavy duty needle bearing between stator and impeller (not a thrust washer). Needle bearing between stator and turbine. Furnace brazed turbine. Dual pattern drive lugs on some GM Holeshots. New turbine hub. New springs and rollers in stator.

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
  • Dual Pattern Drive Lugs
  • New Turbine Hub
  • New Springs/Rollers In Stator
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B & M – Holeshot 3000 (Part No.20413)

Holeshot 3000

from

$921.99
HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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B & M – Tork Master 3000 (Part No.20402)

Tork Master 3000

from

$562.99
Torque Converter – Tork Master 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost performance torque converter. The Tork Master is an excellent all-around performance street converter. The best ‘value priced’ street converters available, Tork Master converters come with a new precision pump drive tube and all are pressure tested and fully balanced. The Tork Master torque converter is not recommended for big block or supercharged applications. New allow steel pump drive tube. Needle thrust bearing when factory equipped. New thrust washer between turbine and cover when required.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
  • Washer Between Turbine and Cover
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Edelbrock – RPM Air-Gap AMC 304/360/401 Intake Manifold (Part No.7531)

RPM Air-Gap AMC 304/360/401 Intake Manifold

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$530.99
Edelbrock part #7531 RPM Air-Gap AMC intake manifold is designed for 1970-91 304-401 c.i.d. V8 applications. The RPM Air-Gap intake manifold incorporate the same race-winning technology as our Victor Series competition intakes. The air-gap design features

Product Features:
  • Based on Performer RPM-Series with Unique Air Gap
  • Air Gap Cooler and Denser Mixture for More Power
  • Designed for 1500 to 6500 RPM Street-Driven Power
  • Dual-Plane High-Rise Intake w/180 deg Firing Order
  • Produces Incredible Top-End Horsepower
  • Retains Good Throttle Response and Acceleration
  • Includes Std Oil Fill ; PCV ; A/C Accy Bosses
  • Not for Exhaust-Heat Chokes – No Exhaust Crossover
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Edelbrock – Performer EGR AMC Intake Manifold (Part No.3731)

Performer EGR AMC Intake Manifold

from

$509.99


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
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Competition Cams – 11 Steel Retainer for Buick 350-455 with 1.225"-1.250" OD Valve Spring (Part No.712-1)

11 Steel Retainer for Buick 350-455 with 1.225"-1.250" OD Valve Spring

from

$10.99
11 Steel Retainer for Buick 350-455 with 1.225"-1.250" OD Valve Spring

Competition Cams – High Energy 206/206 Hydraulic Flat Cam K-Kit (Part No.K12-205-2)

High Energy 206/206 Hydraulic Flat Cam K-Kit

from

$1201.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
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Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit (Part No.CL12-602-4)

Big Mutha' Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit

from

$914.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
  • 295/313 Advertised Duration, 243/257 Duration @ .050″, .500″/.486″ Lift, 107 Lobe Separation
  • Valve spring upgrade required
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Competition Cams – XE Computer Control 206/212 Hydraulic Flat Cam/Lifter Kit (Part No.CL12-249-4)

XE Computer Control 206/212 Hydraulic Flat Cam/Lifter Kit

from

$390.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.
  • 249/260 Advertised Duration, 206/212 Duration @ .050″, .434″/.444″ Lift, 112 Lobe Separation
  • Valve spring upgrade required
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Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-242-2)

Xtreme Energy 224/230 Hydraulic Flat Cam and Lifter Kit

from

$305.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall.
  • 268/280 Advertised Duration, 224/230 Duration @ .050″, .477″/.480″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
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Competition Cams – Cam And Lifter Kit, Sbc 294 Xtreme Energy Hydraulic 1 Ea (Part No.CL12-254-3)

Cam And Lifter Kit, Sbc 294 Xtreme Energy Hydraulic 1 Ea

from

$338.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Xtreme Energy: Pro Street/bracket, needs good intake, headers, gear and 3300+ stall.
  • 294/306 Advertised Duration, 250/256 Duration @ .050″, .519″/.523″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
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Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-601-4)

Mutha' Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit

from

$963.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Mutha’ Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Mutha’ Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
  • 287/305 Advertised Duration, 235/249 Duration @ .050″, .489″/.476″ Lift, 107 Lobe Separation
  • Valve spring upgrade required
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Competition Cams – Thumpr 227/241 Hydraulic Roller Cam and Lifter Kit (Part No.CL12-600-8)

Thumpr 227/241 Hydraulic Roller Cam and Lifter Kit

from

$1152.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Best with aftermarket converters and more rear gear.
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
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Edelbrock – Sure Seat Valve Springs for Chrysler 383-400-413-440 V8 1969-79 (Part No.5792)

Sure Seat Valve Springs for Chrysler 383-400-413-440 V8 1969-79

from

$149.99
Product Features:
  • Non-Rotator Type
  • 1.550 in. Outer Diameter
  • .190 Wire Size
  • Single Coil Spring Type
  • Set of 16
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Performance Engines Brands You Can Trust For Your Jeep J-3800

4 trusted brands of Performance Engines line our shelves, ready to help keep your Jeep J-3800 running smooth. Below are some of the most popular brands and their top Performance Engines offerings:

Popular B & M Performance Engines

B & M products for the Jeep J-3800 span several categories. Some of the highest-rated B & M Performance Engines that will fit your Jeep J-3800 are:
Tork Master 3000
from $562.99
(1)
Tork Master 3000
Performance Torque Converters

Most Purchased Jeep J-3800 Performance Engines from Mr. Gasket

When you buy the most frequently purchased Mr. Gasket brand Performance Engines, you can be confident it will be the right part for your Jeep J-3800. Here are the Mr. Gasket Performance Engines Advanced Auto customers buy the most:
High Performance Thermostat
from $32.49
This product is not rated
High Performance Thermostat
Performance Engine Coolant Thermostats
Performer EGR AMC Intake Manifold
from $509.99
This product is not rated
Performer EGR AMC Intake Manifold
Performance Intake Manifolds
Performance Torque Converter for GM TH400, 350, & 375 Transmissions
from $337.99
This product is not rated
Performance Torque Converter for GM TH400, 350, & 375 Transmissions
Performance Torque Converters

FAQs for Jeep J-3800 Performance Engines

What are the most purchased Performance Engines for the Jeep J-3800?

Out of 45 Performance Engines for the Jeep J-3800, the most popular in our inventory are:
High Performance Thermostat
from $32.49
This product is not rated
High Performance Thermostat
Performance Engine Coolant Thermostats
Xtreme Energy 230/236 Hydraulic Flat Cam
from $258.99
This product is not rated
Xtreme Energy 230/236 Hydraulic Flat Cam
Performance Engine Camshafts
Performance Torque Converter for GM TH400, 350, & 375 Transmissions
from $337.99
This product is not rated
Performance Torque Converter for GM TH400, 350, & 375 Transmissions
Performance Torque Converters