MerCruiser 759-6610-10 628-6100 Piston Connecting Rod 470 4cyl 170hp 3.7L 76-79 Exhaust Manifold I'm Pretty Sure is the

I'm Pretty Sure is the Short shaft model (The driveshaft housing part numbers were for the short model)

7L 400 800 etc

This is misc

Possibly some outboards as well

Cylinder Head: MerCruiser 938-9718

MerCruiser 759-6610-10 628-6100 Piston Connecting Rod 470 4cyl 170hp 3.7L 76-79 Exhaust Manifold I'm Pretty Sure is theItem Details Removed from a 1976 1979 MerCruiser 470 S N 5064860 Overall Good condition These are Standard Sized Pistons. Parts Included 759 6610 10 Piston Assembly & Pin (Standard) You get the single piston 628 6100 connecting rod as pictured This was preceded by this part number: 759 5920 10 Found on 1976 1979 470 models starting with Serial Number 4625580 These are the earlier style ones that don't have the notch on them. Compatibility For sure