Description Stainless steel fesh water cooling block off plate for use with Mercruiser riser #”s 60426, 76351 and 76771. Requires (2) gskets part # MC47-27-99777 Mercruiser V8 (Ford) – 302 and 351 C.I.D. Models 188, 215, 225, 233, 255 and 888 Inboard and I/O Units Log Style Direct Replacement
