Edelbrock Rollin' Thunder camshaft kit #22085 for 1957–1986 Small‑Block Chevy V8 applications includes a hydraulic roller camshaft, hydraulic roller lifters and pushrods, and is ground to match Performer manifolds and cylinder heads. The package aims to boost low‑end and mid‑range torque while improving drivability. It is supplied with assembly lube, instructions and components to simplify installation and reduce friction.
Edelbrock Camshaft/Lifter/Pushrod Kit Performer Plus Hydraulic Roller SBC 57-86