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Comp Cams Part Number 11-770-8 is an Xtreme Energy 236/242 solid roller camshaft for Chevrolet Big Block 396–454 engines (1967–1996). Built for power touring and reliable high-performance use, this cam delivers strong midrange power, excellent throttle response, and a noticeably rough idle. Operates best with a 2500+ stall converter and supporting performance components.
Xtreme Energy series solid roller camshaft
Reliable, repeatable power ideal for street/strip and power touring
Rough, aggressive idle character
Easy on valvetrain components for long-term durability
Broad 2,200–6,200 RPM operating range
3-bolt camshaft gear attachment
| Specification | Value |
|---|---|
| Camshaft Type | Solid Roller |
| Series | Xtreme Energy |
| Engine Family | Chevrolet 396–454 (1967–1996) |
| RPM Range | 2,200–6,200 |
| Advertised Duration (Int/Exh) | 274 / 280 |
| Duration @ .050" (Int/Exh) | 236 / 242 |
| Valve Lift (Int/Exh) | 0.639 / 0.646 |
| Lobe Separation Angle | 110° |
| Valve Timing Lift | 0.015" |
| Intake Open (BTDC) | 31° |
| Intake Close (ABDC) | 63° |
| Exhaust Open (BBDC) | 74° |
| Exhaust Close (ATDC) | 26° |
| Gear Attachment | 3-Bolt |
| Usage | Street/Performance |
| Lifter Type | Solid Roller |
| Warranty | 12 Months |
| UPC | 036584058953 |
| Emissions Code | Not specified |
| Make | Chevrolet |
| California Proposition 65 | Cancer and Reproductive Harm (P65Warnings.ca.gov) |
Make: Chevrolet
Engine Family: 396 / 402 / 427 / 454 Big Block V8
Model Years: 1967–1996
Cam Gear Style: 3-bolt
