I've got 5 7 inch long Crower billet rods with newer crower bolts 80 passes. Std Pontiac big end with 30 over 428 full floaters piston I think there Ross pop up domes for 13 to 1 compression on a 72 cc heads. all add the other 3 rods/pistons 80 passes on everything 500.00 leave me a private message if your interested and I can tell you more about the set