86 chevy 355 flat tops with valve release, comp extreme 4x4 cam Lift: .462''/.480''
Duration: 262°/270° performer intake and headers. was a GM performance parts crate motor at one time said it made 290 hp stock, so im wondering what it might make with the pistons cam and 30 over
Duration: 262°/270° performer intake and headers. was a GM performance parts crate motor at one time said it made 290 hp stock, so im wondering what it might make with the pistons cam and 30 over