1971 Jeep J-3800 Performance Engines

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1971 Jeep J-3800 in Top Shape with Quality Performance Engines

Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1971 Jeep J-3800 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Timing Sets and Components, Performance Engine Camshaft and Lifter Kits, and Performance Intake Manifolds. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1971 Jeep J-3800 Performance Engine at Advance Auto Parts is around $545.92, with a range that starts at $7.99 and goes up to $1,201.99. With 24 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Magnum/Drag Race 253/253 Hydraulic Flat Cam, XE Computer Control 206/212 Hydraulic Flat Cam/Lifter Kit, and High Energy 218/218 Hydraulic Flat Cam and Lifter Kit for AMC 290-401 start at just $288.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Ignition Products and Performance Radiators. At Advance Auto Parts, we’re here to help you keep your 1971 Jeep J-3800 in peak condition, inside and out.

Essential 1971 Jeep J-3800 Performance Engines

Competition Cams – Magnum Double Row Timing Set for ’69-’81 AMC 290-401 (Part No.2118)

Magnum Double Row Timing Set for '69-'81 AMC 290-401

from

$129.99
Magnum Double Row Timing Set for ’69-’81 AMC 290-401

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 – Magnum 230/230 Hydraulic Flat Cam for Chevrolet Small Block (Part No.12-212-2)

Magnum 230/230 Hydraulic Flat Cam for Chevrolet Small Block

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
See More

Competition Cams – Magnum/Drag Race 253/253 Hydraulic Flat Cam (Part No.12-214-4)

Magnum/Drag Race 253/253 Hydraulic Flat Cam

from

$288.99
HYDRAULIC – Magnum: Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression. OR Drag Race: 3500-4000 stall or 4 speed with 11:1+ compression.

Product Features:
  • HYDRAULIC – Magnum: Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression. OR Drag Race: 3500-4000 stall or 4 speed with 11:1+ compression.
  • 305/305 Advertised Duration, 253/253 Duration @ .050″, .525″/.525″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
See More

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
See More

Edelbrock – RPM Air-Gap AMC 304/360/401 Intake Manifold (Part No.7531)

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

from

$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
See More

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

$446.99


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
See More

Competition Cams – Xtreme Energy 212/218 Hydraulic Flat Cam K-Kit (Part No.K12-234-2)

Xtreme Energy 212/218 Hydraulic Flat Cam K-Kit

from

$521.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
See More

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
See More

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.
See More

Competition Cams – Magnum/Drag Race 244/244 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-213-3)

Magnum/Drag Race 244/244 Hydraulic Flat Cam and Lifter Kit

from

$338.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.
  • 292/292 Advertised Duration, 244/244 Duration @ .050″, .501″/.501″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
See More

Competition Cams – Xtreme Energy 212/218 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-234-2)

Xtreme Energy 212/218 Hydraulic Flat Cam and Lifter Kit

from

$305.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Strong torque thru low end and mid-range, good idle.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Xtreme Energy: Strong torque thru low end and mid-range, good idle.
  • 256/268 Advertised Duration, 212/218 Duration @ .050″, .447″/.454″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
See More

Competition Cams – XE Computer Controlled 206/212 Hydraulic Flat Cam K-Kit (Part No.K12-249-4)

XE Computer Controlled 206/212 Hydraulic Flat Cam K-Kit

from

$570.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

Product Features:
  • Excellent performance in street fuel injected applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
See More

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
See More

Most Popular Performance Engine Timing Sets and Component for 1971 Jeep J-3800s

Enhance your 1971 Jeep J-3800 with this popular Performance Engine Timing Sets and Component we have in stock, for $129.99.

Competition Cams – Magnum Double Row Timing Set for ’69-’81 AMC 290-401 (Part No.2118)

Magnum Double Row Timing Set for '69-'81 AMC 290-401

from

$129.99
Magnum Double Row Timing Set for ’69-’81 AMC 290-401

Best-Selling 1971 Jeep J-3800 Performance Engine Camshaft and Lifter Kits

Upgrade your J-3800 with one of our 16 best-selling Performance Engine Camshaft and Lifter Kits.

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.
See More

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
See More

Competition Cams – Magnum 236/236 Hydraulic Flat Cam K-Kit for Chevrolet Small Block (Part No.K12-326-4)

Magnum 236/236 Hydraulic Flat Cam K-Kit for Chevrolet Small Block

from

$873.99
Magnum 236/236 Hydraulic Flat Cam K-Kit for Chevrolet Small Block

Competition Cams – Xtreme 4×4 206/214 Hydraulic Flat Cam K-Kit for Chevrolet Small Block (Part No.K12-231-2)

Xtreme 4x4 206/214 Hydraulic Flat Cam K-Kit for Chevrolet Small Block

from

$689.99
Xtreme 4×4 206/214 Hydraulic Flat Cam K-Kit for Chevrolet Small Block

Competition Cams – High Energy 218/218 Hydraulic Flat Cam and Lifter Kit for AMC 290-401 (Part No.CL10-202-4)

High Energy 218/218 Hydraulic Flat Cam and Lifter Kit for AMC 290-401

from

$618.99
High Energy 218/218 Hydraulic Flat Cam and Lifter Kit for AMC 290-401

Competition Cams – XE Computer Control 224/230 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block (Part No.CL12-268-4)

XE Computer Control 224/230 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block

from

$579.99
XE Computer Control 224/230 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block

Competition Cams – XE Computer Control 212/218 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block (Part No.CL12-256-4)

XE Computer Control 212/218 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block

from

$579.99
XE Computer Control 212/218 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block

Competition Cams – Nostalgia Plus 211/218 Hydraulic Flat Cam and Lifter Kit Chevrolet Small Block (Part No.CL12-670-4)

Nostalgia Plus 211/218 Hydraulic Flat Cam and Lifter Kit Chevrolet Small Block

from

$579.99
Nostalgia Plus 211/218 Hydraulic Flat Cam and Lifter Kit Chevrolet Small Block

Competition Cams – Xtreme Energy 244/252 Solid Flat Cam and Lifter Kit for Chevrolet Small Block (Part No.CL12-678-4)

Xtreme Energy 244/252 Solid Flat Cam and Lifter Kit for Chevrolet Small Block

from

$578.99
Xtreme Energy 244/252 Solid Flat Cam and Lifter Kit for Chevrolet Small Block

Competition Cams – XFI 224/231 Hydraulic Flat Cam and Lifter Kit for Chevrolet Small Block (Part No.CL12-366-4)

XFI 224/231 Hydraulic Flat Cam and Lifter Kit for Chevrolet Small Block

from

$578.99
XFI 224/231 Hydraulic Flat Cam and Lifter Kit for Chevrolet Small Block

Competition Cams – XE Computer Controlled 206/212 Hydraulic Flat Cam K-Kit (Part No.K12-249-4)

XE Computer Controlled 206/212 Hydraulic Flat Cam K-Kit

from

$570.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

Product Features:
  • Excellent performance in street fuel injected applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
See More

Competition Cams – Xtreme Energy 212/218 Hydraulic Flat Cam K-Kit (Part No.K12-234-2)

Xtreme Energy 212/218 Hydraulic Flat Cam K-Kit

from

$521.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
See More

Competition Cams – Xtreme 4×4 226/234 Hydraulic Flat Cam and Lifter Kit for Chevrolet Small Block (Part No.CL12-243-3)

Xtreme 4x4 226/234 Hydraulic Flat Cam and Lifter Kit for Chevrolet Small Block

from

$501.99
Xtreme 4×4 226/234 Hydraulic Flat Cam and Lifter Kit for Chevrolet Small Block

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
See More

Competition Cams – Magnum/Drag Race 244/244 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-213-3)

Magnum/Drag Race 244/244 Hydraulic Flat Cam and Lifter Kit

from

$338.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.
  • 292/292 Advertised Duration, 244/244 Duration @ .050″, .501″/.501″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
See More

Competition Cams – Xtreme Energy 212/218 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-234-2)

Xtreme Energy 212/218 Hydraulic Flat Cam and Lifter Kit

from

$305.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Strong torque thru low end and mid-range, good idle.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Xtreme Energy: Strong torque thru low end and mid-range, good idle.
  • 256/268 Advertised Duration, 212/218 Duration @ .050″, .447″/.454″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
See More

Top-Quality Performance Intake Manifolds for 1971 Jeep J-3800s

Choose a high-quality OEM or aftermarket Performance Intake Manifold for Jeep J-3800s and enjoy top-notch performance from $530.99.

Edelbrock – RPM Air-Gap AMC 304/360/401 Intake Manifold (Part No.7531)

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

from

$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
See More

Our Top Pick for a 1971 Jeep J-3800 Performance Engine Push Rod Guideplate

Invest in a durable Performance Engine Push Rod Guideplate for your 1971 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

Competition Cams – Flat 1 Piece Guide Plate for AMC 290-401/Pontiac V8 with 5/16" Pushrod 7/16" Stud (Part No.4851-1)

Flat 1 Piece Guide Plate for AMC 290-401/Pontiac V8 with 5/16" Pushrod 7/16" Stud

from

$7.99
Flat 1 Piece Guide Plate for AMC 290-401/Pontiac V8 with 5/16" Pushrod 7/16" Stud

Performance Engine Camshafts for 1971 Jeep J-3800s

Make a smart move for your 1971 Jeep J-3800 with products all priced from $226.99 to $611.99.

Competition Cams – Magnum 236/236 Solid Roller Cam for Chevrolet Small Block (Part No.12-702-8)

Magnum 236/236 Solid Roller Cam for Chevrolet Small Block

from

$611.99
Street/strip performance. Choppy idle, use 2500+ stall and headers. 9.5:1 compression.

Product Features:
See More

Competition Cams – Xtreme Energy 248/254 Solid Roller Cam for Chevrolet Small Block (Part No.12-772-8)

Xtreme Energy 248/254 Solid Roller Cam for Chevrolet Small Block

from

$611.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains in torque and horsepower while still delivering adequate vacuum for power brakes and other vacuum dependent accessories. Xtreme Energy camshafts work great in carbureted applications, but offer the best performance with aftermarket intake manifolds, lower gear ratios, headers and free flowing exhaust.

Product Features:
See More

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 – Magnum/Drag Race 253/253 Hydraulic Flat Cam (Part No.12-214-4)

Magnum/Drag Race 253/253 Hydraulic Flat Cam

from

$288.99
HYDRAULIC – Magnum: Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression. OR Drag Race: 3500-4000 stall or 4 speed with 11:1+ compression.

Product Features:
  • HYDRAULIC – Magnum: Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression. OR Drag Race: 3500-4000 stall or 4 speed with 11:1+ compression.
  • 305/305 Advertised Duration, 253/253 Duration @ .050″, .525″/.525″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
See More

Competition Cams – Magnum 230/230 Hydraulic Flat Cam for Chevrolet Small Block (Part No.12-212-2)

Magnum 230/230 Hydraulic Flat Cam for Chevrolet Small Block

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
See More

FAQs for 1971 Jeep J-3800 Performance Engines

What are the best-selling Performance Engines for 1971 Jeep J-3800s?

Out of 24 Performance Engines that fit 1971 Jeep J-3800s, the following parts are the top sellers:

What’s the price range for 1971 Jeep J-3800 Performance Engines?

The prices of Performance Engines for the 1971 Jeep J-3800 range from $7.99 up to $1,201.99 for the most premium parts.

What is the average price of a Performance Engine for a 1971 Jeep J-3800?

The average price for Performance Engines for the 1971 Jeep J-3800 is $545.92. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Performance Engines for other Jeep J-3800 model years?

Yes, we carry Performance Engines for 5 model years of Jeep J-3800s between 1965 and 1970. The following model years are the most popular for Performance Engine purchases: 1970, 1969, 1968, 1967, 1966, and 1965.

What are the cheapest Performance Engines for my 1971 Jeep J-3800?

Does Advance Auto Parts sell Performance Engines for any other 1971 Jeep models?

Yes. We stock Performance Engines for 11 other popular 1971 Jeep models. Some of the most popular are 1971 Wagoneer Performance Engines, 1971 CJ5 Performance Engines, 1971 J-2600 Performance Engines, 1971 J-2500 Performance Engines, and 1971 CJ6 Performance Engines.

What types of Performance Engines do you sell for my 1971 Jeep J-3800?

As of 6/2/26, these are some of the most in-demand types of Performance Engines for a 1971 Jeep J-3800:

Can I get help with 1971 Jeep J-3800 Performance Engine orders?

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

What is your return policy for Jeep J-3800 Performance Engines?

Advance Auto Parts keeps returns simple. For new Jeep J-3800 Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.