For sale is a set cast Badger pistons part #383105 to make a 383 cid out of a 350 chevy, flat top with 2 valve reliefs, they come with lock rings so you can have full floating or press fit pins,. They came from the factory weighing 633gr-637,   comp ratios are 10.8-1 w/62cc heads,10.0-1 with 68cc heads,9.4-1 with 76cc heads.These pistons are to be used with a 400 crank and 5.7 rods. MAKE OFFER  two one  seven,eight o nine,four three seven two.