Proform 66879 Pedestal Mount Roller-rockers

Proform, Aluminum Roller Rockers, Ford SB, 1.6 Ratio Ford SB (Pedestal Mount), 1.6 Ratio Full needle bearing, fulcrum and roller tip unleashes horsepower and lengthens valve train life. Designed for open spring pressures approx. 350 lbs. Guaranteed against breakage for 1 year.