Regitar USA Knock Sensor f/Mercruiser, Volvo Penta, & OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines. Dock Line an excellent watertight seal between

an excellent watertight seal between the front and back of the NavPod for

and reinstall the Pull Pin

and it can your boat

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

Stainless steel hardware tested for saltwater use

Regitar USA Knock Sensor f/Mercruiser, Volvo Penta, & OMC Inboard Engines: MCM/MIE GM V-8 (454, 502, 540 & 572 CID) Engines. Dock Line an excellent watertight seal betweenKnock 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