
Jeep
COMP Cams K68-231-4 Xtreme Energy 4×4 Hyd. Camshaft Kit, AMC Jeep/L6
SKU: d14fc23dbf3f
$463.06
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COMP Cams K68-231-4 Xtreme 4×4 Camshaft Kit – AMC & Jeep 199-258 CI (1964-1997)!
Upgrade your AMC or Jeep engine with the COMP Cams K68-231-4 Xtreme 4×4 Hydraulic Flat Tappet Camshaft Kit!
The COMP Cams K68-231-4 Xtreme 4×4 Hydraulic Flat Tappet Camshaft Kit is a direct upgrade for AMC 199-258 CI and Jeep 232-258 CI engines from 1964 to 1997 . It provides increased low and mid-range power , making it ideal for off-road performance, towing, and everyday driving . With a 206° intake duration and 214° exhaust duration (@ .050″ lift), this camshaft delivers excellent drivability while maintaining smooth idle characteristics .
Designed for enhanced torque and efficiency, this camshaft is the ultimate choice for Jeep and AMC enthusiasts!
What’s Included in the Camshaft Kit?
✅ Hydraulic Flat Tappet Camshaft – Precision-ground for superior performance ✅ Lifters – Matched hydraulic flat tappet lifters included ✅ Valve Springs – Optimized for durability and performance ✅ Retainers & Locks – Ensures proper valvetrain operation ✅ Valve Stem Seals – Prevents oil leakage and enhances longevity ✅ Timing Chain & Gears – Maintains accurate valve timing ✅ Assembly Lubricant – Ensures smooth installation and break-in
⚠️ Rocker arms, pushrods, and gaskets NOT included.
Technical Specifications
Feature
Details
Brand
COMP Cams
Manufacturer’s Part #
K68-231-4
Product Type
Hydraulic Flat Tappet Camshaft Kit
Application
AMC 199-258 CI & Jeep 232-258 CI (1964-1997)
Camshaft Type
Hydraulic Flat Tappet
Intake Duration (@ .050″)
206°
Exhaust Duration (@ .050″)
214°
Lobe Separation Angle
111°
RPM Range
800 to 5000 RPM
Intake Valve Lift w/ Rocker Arm Ratio
0.462″
Exhaust Valve Lift w/ Rocker Arm Ratio
0.485″
Valve Springs Required?
❌ No (Included in Kit)
External Ignition Box Required?
❌ No
Timing Chain & Gears Included?
✅ Yes
Lifters Included?
✅ Yes
Valve Stem Seals Included?
✅ Yes
Pushrods Included?
❌ No
Rocker Arms Included?
❌ No
Gaskets Included?
❌ No
Ideal for off-road enthusiasts, classic Jeep restorations, and AMC engine rebuilds!
Fitment & Compatibility
✔ Fits AMC 199-258 CI Inline-Six Engines (1964-1987) ✔ Fits Jeep 232-258 CI Inline-Six Engines (1964-1997) ✔ Works with Factory Exhaust Systems & OEM Manifolds ✔ Compatible with Stock and Upgraded Valvetrain Components
Ensure compatibility with your engine before purchasing.
Installation Notes & Recommendations
Direct Fit Replacement – No external ignition modifications required ⚙️ Proper Break-In Procedure Required – Use high-zinc break-in oil to protect camshaft lobes Optimized for OEM and Aftermarket Exhausts – Designed to work with restrictive stock manifolds
⚠️ Check your engine specifications before installing. Some modifications may be required for certain applications.
❓ Frequently Asked Questions (FAQ)
Is this camshaft kit compatible with fuel-injected engines?
No. This camshaft is NOT compatible with fuel injection systems and is designed for carbureted setups only .
Does this camshaft require new pushrods?
Possibly. While stock pushrods may work, it’s recommended to check for proper length and preload before installation.
Can I install this camshaft in my Jeep for off-roading?
Yes! This camshaft is optimized for off-road performance, towing, and daily driving .
What is the recommended break-in procedure?
Use a high-zinc break-in oil and follow COMP Cams’ break-in recommendations to ensure proper camshaft longevity.
Does this camshaft require upgraded valve springs?
No. The required valve springs are included in the kit .
Order Your COMP Cams K68-231-4 Xtreme 4×4 Camshaft Kit Today!
Upgrade your AMC or Jeep inline-six engine with the COMP Cams K68-231-4 Camshaft Kit!
✔ Enhanced Torque & Throttle Response for Off-Road & Towing ✔ Complete Kit with Lifters, Valve Springs, Retainers, and More ✔ Compatible with Factory Exhaust Manifolds & Stock Replacements ✔ Perfect for Jeep & AMC Inline-Six Owners Looking for Performance Gains
ORDER NOW & UNLEASH YOUR ENGINE’S TRUE POTENTIAL!
Details
K68-231-4 – Camshaft Kit, A6 X4 250H. AMC 199-258 c.i. 6 CYL. 1964-1997. Hydraulic-Excellent torque and throttle response, great stock replacement cam. Xtreme 4×4 Hydraulic Flat Tappet Camshafts NOT FOR FUEL INJECTION. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.
Improved throttle response & increased low & mid-range RPM horsepower for towing & off-road
Designed for use with common restrictive factory exhaust systems, including OEM exhaust manifolds
Application
1964-87 AMC 199-258
1964-87 Jeep 232-258
KEY SPECS
MFG. Part #
K68-231-4
Brand
COMP Cams
Camshaft Type
Hydraulic Flat Tappet
Intake Duration (.050″ Lift)
206
Exhaust Duration (.050″ Lift)
214
RPM Range
800 to 5000
Lobe Separation
111 °
Lifter Type
Hydraulic Flat Tappet
GENERAL
Intake Valve Lift w/ Rocker Arm Ratio
0.462″
Exhaust Valve Lift w/ Rocker Arm Ratio
0.485″
Sold in Quantity
Kit
Intake Duration
250
Exhaust Duration
258
GTIN Code
036584039945
Grind Number
A6 X4 250H-11
External Ignition Box Required
No
Valve Springs Required
No
Valve Spring Included
Yes
Lifters Included
Yes
Retainers Included
Yes
Locks Included
Yes
Valve Stem Seals Included
Yes
Timing Chain and Gears Included
Yes
Assembly Lubricant Included
Yes
Pushrods Included
Rocker Arms Included
No
Gaskets Included
No
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