MerCruiser 87-861780A2 87-91019A6 Distributor Sensor Assembly V8 350 5.7L 5.7LX OMC Propellers Holley Carburetors used a completely

Holley Carburetors used a completely different fuel line going from the pump to the carburetor

May Work on These Horsepowers 50hp 60hp 70hp 650 65hp (and possibly others)

May also Work With 305 230Hp 200hp 898

Lower Throttle Housing: 79903

Pretty Much all "470" models 1976-1989

MerCruiser 87-861780A2 87-91019A6 Distributor Sensor Assembly V8 350 5.7L 5.7LX OMC Propellers Holley Carburetors used a completelyPart Number(s) Included NEW Quicksilver MerCruiser 87 861780A2 Distributor Sensor (2 wire Bullet Connectors) Replaces 87 91019A6 Application & Compatibility Typically found on MerCruiser 5. 7L, 5. 7LX, and 5. 7L Ski applications where the Thunderbolt IV ignition module was mounted on the distributor (generally 1987 early 2000's) Also on some 7. 4L 454 Bravo (1996 1997) & 4. 3L models Check with a parts diagram or contact us if you are unsure of the