I got a f20b head which flows a little better and bumps up the compression and has type s spings and retainers for 400 i also got a couple stock h22 heads just let me know what you want.
I got a f20b head which flows a little better and bumps up the compression and has type s spings and retainers for 400 i also got a couple stock h22 heads just let me know what you want.
252plus hp and 34.5 miles to the gallon all motor. 12.2 at 111