For: Mercruiser GM 4 cyl. 181 cu. in. (models 120, 140, 2.5L & 3.0L)| | For: GM Inline 6 cyl.250-292 cu. in. (models 165 & 200)| | Fits: Ford Small Block V-8 302-350 cu. in. (models 215, 225, 233 255 & 888)| | Fits: GM Small Block V-8 305, 350 cu. in. (models 198, 228 & 898)
