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2003 chevy ext. 2500hd 6.6 lb7 duramax 6speed manual zf6 tranny
injectors would like to go with 50-75 hp
head gaskets would like preformance ones to handle 700hp
head studs same as head gaskets
fuel pump/ sending unit air dog or fass
clutch able to handle 700hp
twin stacks tubro back 5" under truck 7-8" stacks black
injectors would like to go with 50-75 hp
head gaskets would like preformance ones to handle 700hp
head studs same as head gaskets
fuel pump/ sending unit air dog or fass
clutch able to handle 700hp
twin stacks tubro back 5" under truck 7-8" stacks black
