Badger Pistons B576 P576-020 .020" Oversize Piston Flat Top 454 7.4L GM V8 BBC Flywheel Housing Also this would be compatible

Also this would be compatible with 1971-1982 V8 305 / 350 Stern Drives only because of  the measurement of the yoke

Please see NOTE in other Details section

Also Included: Key 28-30281

There is also another version of this that has slightly lower holes for the oildyne pumps but they are all functionally equivalent

Badger Pistons B576 P576-020 .020" Oversize Piston Flat Top 454 7.4L GM V8 BBC Flywheel Housing Also this would be compatiblePart Number(s) Included Badger Pistons P576 020 (0. 020" Oversize) Piston & Pin Assembly Stamped B 576 020 (B576) THESE ARE 0. 020" OVERSIZE PISTONS I'm assuming you have already done your research on these. Set of 6 as pictured General Application Compatibility Unsure of the year range that these 454 7. 4L pistons would fit Again, hopefully you have already done your research on this. Other Details Freshwater Used Parts These have been individually