COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Big Block Chevy 10209S Fits coolant passages with 3/8"

Fits coolant passages with 3/8" NPT threads

GM A-Body 1966-67

Popular in racing transmissions like Hewland and other Road Racing dog-ring boxes

Dimensions: W 7-3/4"

COMP Cams Thumpr Hydraulic Roller Camshaft - 107 LSA - Big Block Chevy 10209S Fits coolant passages with 3/8"High performance street, stock converter ok, best with 2000+ converter and gears, choppy thumping idle. COMP Cams Thumpr 283THR 7 Hydraulic Roller Camshaft for Big Block Chevy Product Description: Camshaft Thumpr Hydraulic Roller Lift 0. 547 0. 530 in Duration 283 303 107 LSA 1900 5500 RPM Big Block Chevy For 30 years, the COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological