
Comp Cams Part Number 12-262-4 is an Xtreme Energy Computer Controlled 218/224 hydraulic flat tappet camshaft designed for Chevrolet 262–400 small block engines (1958–1998). This cam works especially well in 1987–1998 TPI 305 and 350 engines equipped with an aftermarket chip and upgraded exhaust. Delivers responsive performance, improved airflow, and excellent drivability for mild street/ performance builds.
Xtreme Energy Computer Controlled series
Designed for 305/350 TPI engines with supporting mods
Works with aftermarket tuning and improved exhaust systems
Broad 1,500–5,500 RPM operating range
Strong throttle response and midrange performance
3-bolt camshaft gear attachment
| Specification | Value |
|---|---|
| Camshaft Type | Hydraulic Flat Tappet |
| Series | Xtreme Energy Computer Controlled |
| Engine Family | Chevrolet 262–400 (1958–1998) |
| RPM Range | 1,500–5,500 |
| Advertised Duration (Int/Exh) | 262 / 270 |
| Duration @ .050" (Int/Exh) | 218 / 224 |
| Valve Lift (Int/Exh) | 0.464 / 0.470 |
| Lobe Lift (Int/Exh) | 0.309 / 0.313 |
| Lobe Separation Angle | 114° |
| Intake Centerline | 110° |
| Intake Open (BTDC) | 19° |
| Intake Close (ABDC) | 62° |
| Exhaust Open (BBDC) | 70° |
| Exhaust Close (ATDC) | 19° |
| Valve Timing @ .006" | Not specified |
| Gear Attachment | 3-Bolt |
| Usage | Street/Performance |
| Lifter Type | Hydraulic Flat Tappet |
| Warranty | 12 Months |
| UPC | 036584063285 |
| Emissions Code | Not specified |
| Make | Chevrolet |
| California Proposition 65 | Cancer and Reproductive Harm (P65Warnings.ca.gov) |
Make: Chevrolet
Engine Family: 262–400 Small Block V8
Model Years: 1958–1998
Ideal For: 1987–1998 TPI engines with tuning and exhaust mods
Cam Gear Style: 3-bolt