Speak with an Expert
Speak with an Expert
Free* Shipping on Orders Over $159
Easy 30 Days- No Hassle Returns
37,000+ 5 Star Reviews
MFG Fitment Guarantee
Couldn't load pickup availability
Comp Cams Part Number 11-423-8 is an Xtreme Energy 224/230 hydraulic roller camshaft designed for Chevrolet Big Block 396–454 engines (1967–1996). Engineered for street/performance applications, this camshaft provides strong torque, excellent responsiveness, and a performance-oriented idle while maintaining good drivability. Ideal for enthusiasts looking to upgrade power in classic big block platforms.
Xtreme Energy series for street/performance builds
Hydraulic roller camshaft design
Strong torque output with responsive throttle characteristics
Performance idle quality
Compatible with COMP roller rockers and matched valve springs
Requires supporting performance components for best results
3-bolt cam gear attachment
| Specification | Value |
|---|---|
| Camshaft Type | Hydraulic Roller |
| Series | Xtreme Energy |
| Engine Family | Chevrolet 396–454 c.i. (1967–1996) |
| RPM Range | 1,900–5,600 |
| Advertised Duration (Int/Exh) | 276 / 282 |
| Duration @ .050" (Int/Exh) | 224 / 230 |
| Valve Lift (Int/Exh) | 0.510 / 0.510 |
| Lobe Separation Angle | 110° |
| Intake Centerline | 106° |
| Intake Open (BTDC) | 32° |
| Intake Close (ABDC) | 64° |
| Exhaust Open (BBDC) | 75° |
| Exhaust Close (ATDC) | 27° |
| Valve Timing @ .006" | Not specified |
| Gear Attachment | 3-Bolt |
| Usage | Street/Performance |
| Lifter Type | Hydraulic Roller |
| Warranty | 12 Months |
| UPC | 036584024859 |
| Emissions Code | Not specified |
| California Proposition 65 | Cancer and Reproductive Harm (P65Warnings.ca.gov) |
Make: Chevrolet
Engine Family: 396–454 c.i. Big Block V8
Model Years: 1967–1996
Cam Gear Style: 3-bolt
