Computer designed for racing, then dyno and track tested.
- Cam Style:
- Mechanical Roller Tappet
- Basic Operating RPM Range:
- 3,600-7,600
- Intake Duration at .050 inch Lift:
- 251
- Exhaust Duration at .050 inch Lift:
- 257
- Duration at .050 inch Lift:
- 251 int./257 exh.
- Advertised Intake Duration:
- 283
- Advertised Exhaust Duration:
- 289
- Advertised Duration:
- 283 int./289 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.640 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.640 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.640 int./0.640 exh.
- Lobe Separation (degrees):
- 106
- Computer-Controlled Compatible:
- No
- Camshaft Gear Attachment:
- 3-bolt
- Valve Springs Required:
- Yes
- Firing Order:
- 1-8-7-3-6-5-4-2
- Camshaft Usage:
- Circle Track/Drag Race
- Camshaft Manufacturers Description:
- Mechanical Roller - Small Base Circle, strong mid-range HP, rough idle. Oval Track & Bracket cars.
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.3L/262-6.6L/400
- Years:
- 1955-1995