Holley EFI Cam Sync Kit - +.400" Raised Cam - BB Chevy 2040041 500" effective length

500" effective length

provides a large friction area to reflect and dissipate sound energy

For Small Block Chevy with offset intakes

and polished 304 stainless steel

Superior To Stock Replacement Rubber Mounts

Holley EFI Cam Sync Kit - +.400" Raised Cam - BB Chevy 2040041 500" effective lengthA 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 engines with