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Holley EFI

For Big Block Chevrolet engines

: In stock

: Engine Camshaft Position Sensor

: Holley EFI

: 556-120

$377.95 $415.95

These kits were specifically designed to provide a "plug-&-play" cam position signal to Holley EFI systems, although they may be used with...
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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 a +.400" raised cam height and (Jesel or similar) external, dry timing-belt, cam drive systems.

Your order of 100$ or more gets free standard delivery.

  • Standard delivered 4-5 Business Days
  • Express delivered 2-4 Business Days

Orders are processed and delivered Monday-Friday (excluding public holidays)


eMarket members enjoy free returns.

For Big Block Chevrolet engines

$377.95 $415.95