Description
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 |
