Regitar USA Knock Sensor f/Mercruiser, Volvo Penta, & OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines. Dock Line For BEST RESULTS: Apply a

For BEST RESULTS: Apply a second coat after 48 hours

Stainless steel hardware tested for saltwater use

When heated

Actual internal clearance can be reduced by curvature from the design or molded indents for the mounting system

These adapters connect your trolling motor to your favorite brand of sonar or fishfinder with IP-68-rated waterproof connectors

Regitar USA Knock Sensor f/Mercruiser, Volvo Penta, & OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines. Dock Line For BEST RESULTS: Apply aKnock Sensor for Mercruiser, Volvo Penta & OMC Inboard Engines: MCM MIE GM V 8 (454, 502, 540 & 572 CID) Engines. Knock Sensor for Mercruiser, Volvo Penta, and OMC inboard engines: MCM MIE GM V 8 (454, 502, 540 & 572 CID) Engines. Engine Brand: Mercury Mercruiser OMC Volvo Penta Fitment: MCM MIE GM V 8 (454, 502, 540 & 572 CID) Engines