Edelbrock Rollin' Thunder Camshaft #2263 for Mark IV Big-Block Chevy Engines

Edelbrock Rollin' Thunder Camshaft #2263 is designed for 500+ 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 676HP and 649 Ft Lbs of Torque when paired with Victor Jr. intake manifold #2902 and E-CNC cylinder heads #79555. Not for 1965-66 Big block Chevy's requiring a grooved rear cam journal. Must use with a high stall torque converter. Camshaft specifications: - Intake duration: 248 Degrees - Exhaust duration: 256 Degrees - Intake lift: .632" - Exhaust lift: .648" - Lobe separation: 112 Degree - Intake Center Line: 109.5 Degree - Vacuum: 11" Edelbrock Rollin' Thunder camshaft #2263 is designed for 500+ Mark IV and Gen V engines from 1967-95 and produce optimum torque from the low-end to the mid-range. Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

• Increased Performance

The Edelbrock Rollin' Thunder Camshaft #2263 is engineered to optimize performance for 500+ cubic inch Mark IV and Gen V Chevrolet engines produced between 1967 and 1995. This camshaft delivers exceptional low-end and mid-range torque, making it ideal for daily drivers, trucks, vans, RVs, and 4x4 vehicles. When paired with Performer manifolds, the camshaft enhances throttle response and power across a broad RPM range, especially from off-idle up to 5500 rpm. Designed with smooth idling characteristics, the Rollin' Thunder camshaft ensures a balanced driving experience while providing noticeable acceleration improvements. All camshafts include flat tappet lifters, assembly lube, and installation instructions, streamlining the upgrade process. When combined with a Victor Jr. intake manifold and E-CNC cylinder heads, this camshaft has been proven to produce up to 676 horsepower and 649 ft-lbs of torque, showcasing its potential for high-performance applications. The specifications include an intake duration of 248 degrees, exhaust duration of 256 degrees, intake lift of .632 inches, exhaust lift of .648 inches, and a lobe separation angle of 112 degrees. The intake center line is set at 109.5 degrees, with a vacuum reading of 11 inches, ensuring consistent performance. Please note this cam is not suitable for 1965-66 Big Block Chevy models requiring a grooved rear cam journal and must be used with a high stall torque converter for optimal results. This camshaft is compatible with Chevrolet Big-Block Mark IV engines such as 396, 402, 427, 454, and 502 cubic inch variants, providing increased power and torque for demanding applications.

Features:

• Designed for 1967-95 Chevrolet Mark IV and Gen V engines with 500+ cubic inches

• Produces exceptional low-end to mid-range torque for daily driving and off-road use

• Optimized for use with Performer manifolds for enhanced throttle response and power

• Includes flat tappet lifters, assembly lube, and installation instructions

• Proven to deliver up to 676 HP and 649 ft-lbs of torque when paired with high-performance intake and cylinder heads

• Intake duration: 248 degrees; Exhaust duration: 256 degrees

• Intake lift: .632 inches; Exhaust lift: .648 inches

• Lobe separation angle: 112 degrees; Intake center line: 109.5 degrees

• Requires high stall torque converter for best performance

• Not suitable for 1965-66 Big Block Chevy models requiring a grooved rear cam journal