Blower 255/262 Solid Roller Cam for Chevy Big Block 396-454. Best for Pro Street and bracket racing applications with a 671 or larger blower.
- Cam Style:
- Mechanical roller tappet
- Basic Operating RPM Range:
- 3,500-7,000
- Intake Duration at .050 inch Lift:
- 255
- Exhaust Duration at .050 inch Lift:
- 262
- Duration at .050 inch Lift:
- 255 int./262 exh.
- Advertised Intake Duration:
- 300
- Advertised Exhaust Duration:
- 308
- Advertised Duration:
- 300 int./308 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.652 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.652 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.652 int./0.652 exh.
- Lobe Separation (degrees):
- 114
- Computer-Controlled Compatible:
- No
- Camshaft Gear Attachment:
- 1-bolt
- Valve Springs Required:
- Yes
- Grind Number:
- CB 300BR-14
- Hot Lash:
- 0.020 in. int./0.020 in. exh.
- Camshaft Manufacturers Description:
- Mechanical Roller - Blower: Best for Pro Street and bracket racing with 671 or larger blower.
- Quantity:
- Sold individually.
- Notes:
- Requires thrust button and wear plate.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L396-7.4L/454
- Years:
- 1967-1990
- Engine Family:
- Chevy big block Gen V
- Years:
- 1991-1995
- Engine Family:
- Chevy big block Gen VI
- Engine Sizes:
- 7.4L/454
- Years:
- 1996
