MerCruiser 429-6537 V8 305 5.0L Crankshaft GM 3932442 2-Piece 898 200 228 230 Timing Cover 3L (1990) models with power

3L (1990) models with power steering

Removed from a 1977 Searay

Basically this is something you could bolt right without needing to purchase additional special tools to remove and install the pulley For Ford V8 models Only

and this is the case with these ones as well

Pistons Cast# 308619

MerCruiser 429-6537 V8 305 5.0L Crankshaft GM 3932442 2-Piece 898 200 228 230 Timing Cover 3L (1990) models with powerPart Number(s) Included 429 6537 Crankshaft Assembly (For 5. 0L V8 305 Models with 2 Piece Rear Main Seal) GM 3932442 General Application Compatibility This would have been found on all of the earlier MerCruiser 305 models that have a 2 piece rear main seal (which is pretty much anything 1977 1985 1986) This is easily identified by the hub on the 2 piece crankshafts it is not a perfect circle with 3. 5" across on the hub mounting holes and 1 piece is