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Comp Cams Part Number 11-430-8 is a Magnum 224/224 hydraulic roller camshaft designed for Chevrolet Big Block 396–454 engines (1967–1996). Ideal for street/strip builds, this camshaft delivers strong midrange torque, crisp throttle response, and a rough performance idle. Best results are achieved with headers, 9.5:1 compression, a 2000+ stall converter, and lower rear gears.
Magnum series hydraulic roller camshaft
Strong street/strip midrange power
Rough, performance-oriented idle
Best with 9.5:1 compression, headers, and 2000+ stall
3-bolt camshaft gear attachment
Designed for Chevrolet 396–454 big block engines
| Specification | Value |
|---|---|
| Camshaft Type | Hydraulic Roller |
| Series | Magnum |
| Engine Family | Chevrolet 396–454 c.i. (1967–19996) |
| RPM Range | 2,000–5,500 |
| Advertised Duration (Int/Exh) | 280 / 280 |
| Duration @ .050" (Int/Exh) | 224 / 224 |
| Valve Lift (Int/Exh) | 0.566 / 0.566 |
| Lobe Separation Angle | 110° |
| Intake Centerline | 106° |
| Intake Open (BTDC) | 34° |
| Intake Close (ABDC) | 66° |
| Exhaust Open (BBDC) | 74° |
| Exhaust Close (ATDC) | 26° |
| Valve Timing @ .006" | Not specified |
| Gear Attachment | 3-Bolt |
| Usage | Street/Strip |
| Lifter Type | Hydraulic Roller |
| Warranty | 12 Months |
| UPC | 036584780168 |
| Emissions Code | Not specified |
| Make | Chevrolet |
| California Proposition 65 | Cancer and Reproductive Harm (P65Warnings.ca.gov) |
Make: Chevrolet
Engine Family: 396 / 402 / 427 / 454 c.i. Big Block V8
Model Years: 1967–1996
Cam Gear Style: 3-bolt
