MerCruiser 431-9433 1546 Flat Tappet ONLY Camshaft V6 4.3L 1985-1987 Chevy GM

Item Details Basically this is a GM 4.3L camshaft that was used during a narrow window (1985-Early 1987) of these engines when they were One-piece rear main seals and using flat tappet lifters. By 1987 the 4.3L was using roller lifters and a specialized camshaft Some light normal wear, but overall good shape freshwater marine camshaft. MerCruiser Part Number 431-9433 (This is an OEM GM Part) Used on Early 185hp 205hp 4.3L models 1985-1987 (Models using Flat Tappet Lifters). Stamped 1546 on the camshaft Left-hand / standard rotation (All i/o's are left hand rotation) Not the correct camshaft for engines with the additional balance shaft OR the engines in late 1987 & beyond that have the machined camshaft for roller lifter style engines Please inspect pictures closely to to ensure product satisfaction. Purchase with confidence! Cross Reference Equivalents MerCruiser 431-9433 Probably OMC as well just (Check the actual cast stamping number) 1985 1986 Early 1987 14095859