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Edelbrock Rollin' Thunder Camshaft for 1957-86 Small-Block Chevy 283-400 V8

Edelbrock Rollin' Thunder Camshaft for 1957-86 Small-Block Chevy 283-400 V8

Rollin' Thunder Camshaft for 1997-Later Big Block Chevy 396-502 V8 (Gen 6)

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Edelbrock Rollin' Thunder Camshaft for 1965-95 B/B Chevy 396-502 (Mark IV/Gen V)

$528.95
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.
In stock
SKU
2261
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. Rollin' Thunder camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. They are smooth idling cams for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. This cam produced 611HP and 573 Ft Lbs of Torque when paired with Victor Jr. intake manifold #2902 and Victor Jr. 24 Degree cylinder heads #77485 on a GM ZZ-502 short block. Not for 1965-66 Big Block Chevy's running a grooved rear cam journal. Use with a high stall torque converter and stock ratio rocker arms only. Camshaft specifications: - Intake duration: 236 Degrees - Exhaust duration: 245 Degrees - Intake lift: .625" - Exhaust lift: .639" - Lobe separation: 112 Degree - Intake Center Line: 109 Degree - Vacuum: 10"
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347022618
Exhaust Valve Lift With Factory Rocker Arm Ratio 0.639 in
Exhaust Valve Lift With Factory Rocker Arm Ratio 0.639 in
Computer Controlled Compatible No
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Installation Notes
  • Compression ratio of at least 9.5:1; Adjustable valvetrain required; For street high-performance and racing applications only; Lower than stock rear gearing; High performance torque converter (in automatic transmission equipped vehicles) are necessary.; Please be advised that an improper installation may result in LOW MILEAGE, POOR PERFORMANCE, and COSTLY REINSTALLATION AND EVEN ENGINE DAMAGE. Installing a camshaft is a complex procedure. Please follow these instructions carefully. Failure to do so may void your warranty.
Advertised Exhaust Duration 329 deg
Advertised Intake Duration 335 deg
Intake Duration at .050 Inch Lift 236 deg
Intake Valve Lift 0.368 in
Intake Valve Lift with Factory Rocker Arm Ratio 0.625 in
Lifter Type Roller
Lobe Separation 112 deg