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Holley Chevy Camshaft Sync Kits 556-123 Pickups, Hall Effect Sensor, 3-wire, with Bracket, 1/4 in.-20 Flying Magnet, for External Dry Cam Drive, Ford, Early Model, Kit

SKU: HLY556-123

Camshaft Sync Pickup Kits

Holley Chevy Camshaft Sync Kits 556-123 Pickups, Hall Effect Sensor, 3-wire, with Bracket, 1/4 in.-20 Flying Magnet, for External Dry Cam Drive, Ford, Early Model, Kit

SKU: HLY556-123

Camshaft Sync Pickup Kits
A$727.35
LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

A cam sync signal is required to run sequential fuel injection, and Holley camshaft sync kits are ready to set the firing order for top performance. Available in a choice of kits for standard cam height small block and big block Chevys, as well as raised cam height big blocks, these Holley kits fit Jesel and other external, dry timing belt cam drive systems. They provide a plug-and-play cam position signal to Holley EFI systems, but are also compatible with any EFI system which can read a digital, square-wave cam input signal. All of the kits feature unique T-nut and bracket designs that allow for complete sensor adjustment from the outside of the bracket with a single jam nut. Let your ECU know which cylinder is number one in the firing order with a signal from Holley Chevy camshaft sync kits.

Holley kits include:

* 3-wire H all-effect sensor (8 to 20 V)
* Anodized billet aluminum bracket
* Mounting hardware
* Mating connector
* Stainless steel 1/4 in.-20 "flying magnet" screw with a high-temperature, rare-earth magnet

Part Type

Cam Sync Kit - SBF/BBF

Data: v4.2 - Upd: 2026-10-13 18:47:14

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
556-123
Product Attributes - Part Type
Camshaft Sync Pickup Kits
Product Attributes - Product Line
Holley Chevy Camshaft Sync Kits
Product Attributes - UPC
090127724897
Product Attributes - Non-Magnetic Pickup Included
Yes
Product Attributes - Wiring Harness Included
Yes
Product Attributes - Mounting Hardware Included
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Specifically designed for use in unlimited racing applications equipped with an external, dry timing-belt, cam drive system, where the bracket must be remote mounted to a front motor plate or some mounting surface other than a designated cam cover mounting flange. Includes flying magnet, bracket, and pickup.

Reference Information

Brand Name/s Holley
StreetFX SKU hly556-123
SFX Item ID 4783683
Supplier Item Code 4783683
Manufacturer SKU 556-123
Manufacturer UPC 90127724897
Alternative References HOL556-123, 3-wire, in.-20

Compatibility

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