early 273 pistons.
Back in 64 the 8.5:1 ratio was probably about that! The 4 valve relief pistons are in fact 2 barrel pistons. The 4 barrel pistons are domed like these Egge pistons.
Back in 64 the 8.5:1 ratio was probably about that! The 4 valve relief pistons are in fact 2 barrel pistons. The 4 barrel pistons are domed like these Egge pistons.