Holley Engine Camshaft Position Sensor 556-121;

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Price:	$244.95

Brand:

Holley

SKU:

HOL556-121

UPC:

090127725054

Box Dimensions:

6 × 3.25 × 3.25 in

Box Weight:

1 lb

This item ships free with qualifying orders of $99 or more

(Valid on orders shipped within the contiguous United States. Excludes any oversized charges. See Shipping Policy page for more details)

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Description & Specs

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Fits Big Block Chevy engines w/ JESEL and similar external, dry timing-belt, cam drive systems
Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel 1/4"-20 "flying magnet" screw w/ high-temp, rare-earth magnet
Unique t-nut and bracket design allows for complete sensor adjustment from the outside of the bracket with a single jam nut
Designed to provide a plug-&-play cam position signal to Holley EFI systems; Also compatible with any EFI system which can read a digital, square-wave cam input signal
Bracket assembly can be mounted in up to five locations to accommodate various cam-drive systems and front accessory drive configurations

Specifically designed for use w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel 1/4"-20 "flying magnet" screw w/ high-temp, rare-earth magnet.

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