Cam Sync Kit, +.400 Raised Cam - 556-120 ac-and-heat Stepped acceleration Chamber Increases Exhaust

Stepped acceleration Chamber Increases Exhaust Gas Velocity and Maximum Flow

and maximum engine speeds of 6000-7000 rpm

1995-2000 GMC K2500

1x Vacuum Advance Line

Fuel Line Kit For 67 Cutlass 67 442 Hardtop Pump to Tank Line Stainless

Cam Sync Kit, +.400 Raised Cam - 556-120 ac-and-heat Stepped acceleration Chamber Increases ExhaustOverview: A cam sync signal is required to run sequential fuel injection. This tells the ECU which cylinder is cylinder #1 (or the first cylinder in the firing order as entered in the software). These kits were specifically designed to provide a "plug & play" cam position signal to Holley EFI systems, although they may be used with any EFI system which can read a digital, square wave input cam signal. They are intended for use with Big Block Chevy