COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.50 Ratio - Gold - Small Block Chevy / GM V6 BMRSTB412H This direct fit adapter will

This direct fit adapter will fit all 1960 and up Ford Car and Truck FE Engines including 352

BTU/HR: 27k-37k

and 10" for fittings up to -20AN

Each runner has a large radius where it meets the plenum

Indexing positions the ground strap of the spark plug properly for best piston dome clearance and un-shrouds the electrode for a more even burn and possible gains of 5-15 horsepower

COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.50 Ratio - Gold - Small Block Chevy / GM V6 BMRSTB412H This direct fit adapter willThese COMP Cams Ultra Gold Aluminum Roller Rocker Arms with a 7 16" stud diameter and 1. 5 ratio are designed for Chevrolet V8 265 400 applications. The new modern design features of these Ultra Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra Gold Aluminum Rocker Arms are precision CNC machined to strict tolerances. Developed to meet