Holley EFI LS Hi-Flow Holley EFI EFI Fuel Rails Electric Oil Pressure Gauge Each set includes a pair

Each set includes a pair of gaskets

UltraPro bent tube hose-ends are dip-brazed for a permanent and robust bond

Required for 289-302 V8's and 1967-69 AMC

Relays allow the use of a lower amp switch to turn on or control a component with a higher amp draw

Holley EFI LS Hi-Flow Holley EFI EFI Fuel Rails Electric Oil Pressure Gauge Each set includes a pairLS Hi Flow Holley EFI Fuel Rails Fits LS1, LS2, LS3, LS6, L76 & L99 factory intakes If this product is to be used with aftermarket (tall) EV1 performance injectors: LS2, LS3, and L99 applications will require taller brackets and adapter O rings to be used with EV1 injectors. Holley part number HLY534 212 will have these required parts. LS1 and LS6 application will work with EV1 injectors without any additional parts. Holley part number HLY534 211