Shell/JE750 kits, I carry these in Standard 80m (3.151) , 2nd over (3.169), and 4th over (3.89) . I have these for 447 and 256 motor they are all 10.5 to 1 compression . Pistons kits come with pistons, pins, rings and clips.
As with all performance parts it is always good to check clearances.
477 motor 74-84
Part# 285495 3.151 bore $365.00
Part# 286317 3.169 bore, $365.00
Part# 285498/360817 3.189 bore, $365.00
256 motors 70-73
Part# 285499 3.151 bore, $365.00
Part# 286310 3.169 bore, $365.00
Part# 332618 3.189 bore, $365.00
Part# LA132 Sleeves 2 for $280
Complete kit with Sleeves, piston kit of your choice and head and base gasket.
Part# 18-2220 $670.00
Part#18-2221 comes with all of 18-2220 kit plus we bead blast, bore , deck head and fit the piston. Kit of your choice $970.00