
Comp Cams Part Number 11-242-3 is an Xtreme Energy 224/230 hydraulic flat tappet camshaft designed for Chevrolet Big Block 396–454 engines (1967–1996). Ideal for street performance builds, this cam provides strong mid-range torque, crisp throttle response, and a slightly rough idle. While a stock converter can be used, performance improves with an 1800+ stall.
Xtreme Energy series hydraulic flat tappet camshaft
Strong midrange performance for street-driven big block builds
Slightly rough idle for a performance feel
Works with stock converter; best with 1800+ stall
3-bolt camshaft gear attachment
Designed for 396–454 c.i. Chevrolet big block engines
| Specification | Value |
|---|---|
| Camshaft Type | Hydraulic Flat Tappet |
| Series | Xtreme Energy |
| Engine Family | Chevrolet 396–454 c.i. (1967–1996) |
| RPM Range | 1,600–5,800 |
| Advertised Duration (Int/Exh) | 268 / 280 |
| Duration @ .050" (Int/Exh) | 224 / 230 |
| Valve Lift (Int/Exh) | 0.515 / 0.520 |
| Lobe Lift (Int/Exh) | 0.304 / 0.306 |
| Lobe Separation Angle | 110° |
| Intake Centerline | 106° |
| Intake Open (BTDC) | 28° |
| Intake Close (ABDC) | 60° |
| Exhaust Open (BBDC) | 74° |
| Exhaust Close (ATDC) | 26° |
| Valve Timing @ .006" | Not specified |
| Gear Attachment | 3-Bolt |
| Usage | Street/Performance |
| Lifter Type | Hydraulic Flat Tappet |
| Warranty | 12 Months |
| UPC | 036584023692 |
| 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