Howard Cams 90075 Big Block Chevy Engine BILLET ALUMIINUM Roller Rocker Arm Kit
HOWARDS Racing Components BILLET Rocker Arm Set Part Number : 90072 MADE IN USA!!! Unlike Other Brands These Are Made From BILLET Aluminum - Not Extruded For Chevrolet BIG BLOCK Engines FULL Roller Fulcrum And Tip 1.7:1 Ratio For 7/16 Studs 100% CNC Machined Full Body Design Will Withstand 900+ Lbs Of Spring Pressure At Over.