ARP Rocker Arm Nut - 3/8-24 in Thread - 0.600 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16 HSSML11SASM61 Our ALL-NEW Extreme-Flow EFI Regulator

Our ALL-NEW Extreme-Flow EFI Regulator now comes with -12 ports

153/194/215/230/250 L4-L6

Rated injector flow: 120 lb/hr @ 43 PSI

Industry exclusive

ARP Rocker Arm Nut - 3/8-24 in Thread - 0.600 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16 HSSML11SASM61 Our ALL-NEW Extreme-Flow EFI RegulatorA rocker arm adjuster that doesn't require special tools and won't work loose. Threads on the heat treated Perma Loc Adjusters are machined exactly perpendicular to the adjuster bottom. a set screw is also machined flush on the bottom. All of these features help eliminate setting valve lash on a regular basis. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Rocker Arm Nut 3 8 24 in Thread