ROLLIN' THUNDER CAMSHAFT FOR LIFTER AND PUSHROD KIT RPM SBC 1957-86

Brand New Edelbrock Rollin' Thunder Camshaft Kit for 1957-86 Small-Block Chevy 283-400 V8 (Part #22015).

Edelbrock Rollin' Thunder camshaft kit is designed for 1957-86 small-block Chevy V-8 applications. This complete cam kits include an Edelbrock Rollin' Thunder hydraulic roller camshaft, hydraulic roller lifters and pushrods. The Rollin' Thunder camshaft kit is ground specifically for use with the corresponding Performer or Performer RPM manifold and cylinder heads. However, Rollin' Thunder camshaft package may also be used with other components designed to operate in a similar RPM range.

Installation Notes:

• This camshaft is designed to function with Valve Springs that have a closed pressure of 150 lbs, open pressure of 420 lbs and a lift of .550"
• Do not use rotator type valve springs or retainers for this application.
• Use only stock ratio rocker arms; Adjustable valvetrain required
• 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.

Specs:

• Lifter Type: Roller
• Intake duration: 234 Degrees
• Exhaust duration: 238 Degrees
• Intake lift: .539"
• Exhaust lift: .548"
• Lobe separation: 112 Degree
• Intake Center Line: 107 Degree
  
• Vacuum: 12"