Edelbrock Rollin' Thunder Camshaft #2261 is designed for 396-502 V8 Mark IV and Gen V engines from 1967-95 and produce optimum torque from the low-end to the mid-range.
- Cam Style:
- Hydraulic roller tappet
- Basic Operating RPM Range:
- 1,500-6,500
- Intake Duration at .050 inch Lift:
- 236
- Exhaust Duration at .050 inch Lift:
- 245
- Duration at .050 inch Lift:
- 236 int./245 exh.
- Advertised Intake Duration:
- 335
- Advertised Exhaust Duration:
- 339
- Advertised Duration:
- 335 int./339 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.625 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.639 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.625 int./0.639 exh.
- Lobe Separation (degrees):
- 112
- Computer-Controlled Compatible:
- No
- Material:
- Cast Iron
- Camshaft Gear Attachment:
- 3-bolt
- Valve Springs Required:
- Yes
- Grind Number:
- 294FDP
- Camshaft Manufacturers Description:
- Hydraulic Roller - Rollin' Thunder: This camshaft works great when matched with Victor Jr. intake manifold and Victor Jr. 24° cylinder heads
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1967-1990
- Engine Family:
- Chevy big block Gen V
- Engine Sizes:
- 7.4L/454
- Years:
- 1991-1995
