Exhaust manifold spacer 3 "(76.2mm)
Will be installed among others at:
Mercruiser GM V6 229 and 262cui .. (Models: 185 and 205)
GM Small Block V8 305-350cui. (Models: 200, 228, 230, 260 and 898)
GM Big Block V8 454cui. (Models: 330, 340)
Replaces the following numbers:
Sierra 18-1908
Mallory 9-40530
Mercury 77234A7
Osco 3320
GLM 50300
Barr Marine MC-20-93320A3