Proflow Rocker Arm Screw In Stud Kit, 7/16, Top 7/16-14 in., Bottom 7/16-20 in. Chev LS Part Number : AF64-2161BLK

Part Number : AF64-2161BLK

Suit Holden 253-308 V8 when using AF64-3003 Gilmer Drive Kit

Suit 304 EFI Holden VN to VS V8

65mm Shank Length

Radiator Hose Adapters - BLACK

Proflow Rocker Arm Screw In Stud Kit, 7/16, Top 7/16-14 in., Bottom 7/16-20 in. Chev LS Part Number : AF64-2161BLKPart Number : PFE 42288 16 Proflow screw in rocker arm studs are ideal for high performance cams in cars used primarily on the street. They are constructed from alloy steel, have no oil holes, and are concentric to keep the rockers, pushrod, and valve stems in alignment. Can be used with posi locks but ideally suited for lock nuts as the top of stud is not surface ground.