For: Mercruiser GM Small Block V-8 305-350 cu. in. (models 198, 200, 228, 230, 260 & 898)
Use with manifolds : SIERRA 18-1953-2, 18-1950-1, 18-1951-1
For: Mercruiser GM Small Block V-8 305-350 cu. in. (models 198, 200, 228, 230, 260 & 898)
Use with manifolds : SIERRA 18-1953-2, 18-1950-1, 18-1951-1