This cam sync kit is designed for use with JESEL and similar external, dry timing-belt cam drive systems on standard cam height small block Chevy engines. It includes a 3-wire Hall Effect sensor, anodized billet aluminum bracket, mounting hardware, mating connector, and a stainless steel 1/4"-20 "flying magnet" screw with a high-temp rare-earth magnet.
Specifications:
- Product Type: Hall Effect Cam Sync
- Application: Small Block Chevy, standard cam height
- Sensor Type: Hall Effect, 3-wire, 8-20V operating range
- Bracket Material: Anodized billet aluminum
- Color: Black
- Mounting: Bolt-on, adjustable from outside the bracket with a single jam nut
- Includes: Sensor, bracket, mounting hardware, mating connector, flying magnet screw
- Part Number: 556-119
The bracket assembly can be mounted in up to five locations to accommodate various cam-drive systems and front accessory drive configurations, and it's designed to provide a plug-and-play cam position signal to Holley EFI systems or any EFI system that reads a digital square-wave cam input.
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What cam drive systems is this kit designed for?
JESEL and similar external, dry timing-belt cam drive systems on standard cam height small block Chevy engines.
What's included in the kit?
A 3-wire Hall Effect sensor, anodized billet aluminum bracket, mounting hardware, mating connector, and a stainless steel flying magnet screw.
Will this work with any EFI system?
It's designed for plug-and-play use with Holley EFI, and is also compatible with any EFI system that can read a digital, square-wave cam input signal.
Is this legal for street use?
No, this part is legal for Racing Use Only vehicles and cannot be installed on emissions-controlled street vehicles.

