Chevrolet Performance 12675724 - Stamped Steel Big Block Chevy 1.7:1 Ratio Long Slot Rocker Arm

These 1.7 ratio hardened steel arms have elongated slots to provide extra clearance for high-lift (.600") camshafts. This rocker assembly includes arms P/N 3959182 plus the ball and nut, for use on all 396-502 big-block heads with adjustable rockers. Technical Note: These long slot rocker arms are stamped "H".