GM Genuine Parts STD LS Rocker Arm GM12681275 Product:Suit GM LS1, LS2 Holley Ultra XP carburetors offer

Holley Ultra XP carburetors offer new features such as an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship

Hex Head S/SM10 x 1

Maximum load rating for street applications is 1200 lbs per wheel (2400 lbs per axle) witha 28" tire

Two 1/8" NPT ports and plugs re provided for auxiliary sensors

EJ25 Top Feed Billet EFI Fuel Rails - PolishedSuit 14mm Full Length Fuel Injectors

GM Genuine Parts STD LS Rocker Arm GM12681275 Product:Suit GM LS1, LS2 Holley Ultra XP carburetors offerSTD LS Rocker ArmSuit GM LS1, LS2 Brand: GM Part Number: GM12681275 Description: Genuine GM replacement part.