MSD Chevy Small Block / Big Block Tall Deck Cam Sync Plug 85142

MSD’s Chevy extra tall cam sync plugs install in place of a traditional distributor to drive the oil pump and provide a cam sync signal when running a Holley EFI, or other aftermarket sequential EFI system requiring a cam sync signal.

• Built-in L.E.D. makes set-up and indexing quick and easy
• Plug-and-play with Holley EFI and compatible with other aftermarket EFI systems requiring a cam sync signal
• CNC billet housing with black anodized cap provide good looks and excellent durability
• Chevrolet version is supplied with a equivalent Melonized distributor gear and adjustable slip collar for blocks with a non-standard deck height
• 2-3/4” of adjustment for different deck heights
• O-ring seals can be added to modified blocks to improve oil pressure control
• Special oil tract improves lubrication to the distributor and cam gear
• Shaft is guided by a sealed ball bearing and an extra long sintered bushing