4340 Black Chromoly Rocker Arm for Chevy SBC(Small Block) 350 1.6 Ratio 3/8 inch
Note: 4340 Black Chromoly Roller Rocker Arms, Needle Bearings. For Chevy SBC(Small Block ) 350 1.6 Ratio 3/8″. Rocker Arm Material:4340 Black Chromoly. Rocker Arm Ratio:1.6. Rocker Arm Body Style:Ultra Black.