MSD's cam sync plug is built for aftermarket sequential EFI systems paired with coil-per-cylinder ignition. It installs in place of a traditional distributor and provides a hall-effect cam sync signal that references the #1 cylinder, plugging directly into Holley EFI and interfacing with most other aftermarket EFI systems that require a cam sync signal.
Specifications:
- Engine: Chevy Big Block, Tall Deck
- Sensor: Hall-Effect
- Gear Material: Cast Iron, Melonized QPQ Coated
- Ignition Box Required: EFI
- Color: Black and Silver
- Adjustment Range: 2-3/4 in
- Part Number: 85142
A built-in LED simplifies setup and indexing; a CNC billet housing with black anodized cap houses a shaft guided by a sealed ball bearing and extra-long sintered bushing.
FAQ
What is the MSD 85142 cam sync plug used for?
It installs in place of a traditional distributor to provide a hall-effect cam sync signal for aftermarket sequential EFI systems with coil-per-cylinder ignition.
Is the 85142 compatible with Holley EFI?
Yes, it is plug-and-play with Holley EFI systems and can interface with most other aftermarket EFI systems requiring a cam sync signal.
What engine is the 85142 designed for?
Chevy big block engines with a tall deck.
How much adjustment does the 85142 offer?
2-3/4 in of adjustment for different deck heights.
