SBC Thumpr Series Hyd. Roller Cam 291THR7 1968-pontiac-tempest-esi8321397 Mechanical Cooling Fan - Rigid

Mechanical Cooling Fan - Rigid Race - 17 in Fan - 6 Blade - 5/8 in Pilot - Universal Bolt Pattern - Steel - Black Powder Coat - Each Cutaway design w/high pressure pin oiling

625 in ID - 1 in Tall - Shock Mount - 50A Durometer - Polyurethane - Black - Each

Fitting - Adapter - Straight - 3 AN Female to 4 AN Male Swivel - Aluminum - Black Anodized - Each

031 in Thick - Composite - Big Block Chevy - Kit

SBC Thumpr Series Hyd. Roller Cam 291THR7 1968-pontiac-tempest-esi8321397 Mechanical Cooling Fan - RigidCamshaft Thumpr Hydraulic Roller Lift 0. 522 0. 509 in Duration 291 311 107 LSA 2200 5900 RPM Small Block Chevy Each fits Rocket Blocks(widen pan rails)