Application: --Fit most all small block Chevy stock and aftermarket 23 degree cylinder heads. Description: --Aluminum ROLLER ROCKER ARMS Kit For Chevy SB 1.5" 7/16, 16 CNC Aluminum Arms With Polylock Nuts --Creates less friction, allows more accurate valve adjustment and has extreme rigidity --Lightweight with integral push rod seat --Not self aligning --Fit most SBC small block Chevy --Full roller rocker. Package: --16 stud mounted aluminum roller rocker arms with 16 poly locks (what you see in the picture is what you'll get)
