Used diamond pistons ls7 4.1250 bore
compression hieght 1.135
efective volume -28cc
valve depth intake .165 exhaust.107
i was going to build a lsx 427 for boost serious issue came up so need to sell all extra parts i bought in the past years there nine pistons total one need to be switched out there where also coated
would like 750 shipped obo
tex me for fast response 818 three one two 5605
