MECHANICAL ROLLER-Good super gas 11:1+ comp, 4500 stall, (427-468), BBC - 1965-66 396 c.i. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models,
- Cam Style:
- Mechanical Roller Tappet
- Basic Operating RPM Range:
- 4,600-7,400
- Intake Duration at .050 inch Lift:
- 276
- Exhaust Duration at .050 inch Lift:
- 284
- Duration at .050 inch Lift:
- 276 int./284 exh.
- Advertised Intake Duration:
- 313
- Advertised Exhaust Duration:
- 322
- Advertised Duration:
- 313 int./322 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.846 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.810 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.846 int./0.810 exh.
- Lobe Separation (degrees):
- 116
- Computer-Controlled Compatible:
- No
- Material:
- Billet Steel
- Camshaft Gear Attachment:
- 3-bolt
- Valve Springs Required:
- Yes
- Grind Number:
- CB 47S 318RXH-16
- Hot Lash:
- 0.024 in. int./0.026 in. exh.
- Camshaft Usage:
- Drag race
- Camshaft Manufacturers Description:
- Mechanical Roller - Drag Race 4 & 7 Swap: Nitrous and blown race applications.
- Quantity:
- Sold individually.
- 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
- Engine Sizes:
- 7.4L/454
- Years:
- 1991-1995
