Heads 906's 191's

[M.Dunn9]

1) 906 vortec 64cc chambers 170cc intake runners newer valves, springs, retainers, screw in studs, guide plates not cracked dont need em no more picked up complete engine pd 300 make offer

2) 191 vortec 76cc chambers 150cc runners?? swirl port design completely rebuilt to stock specs Springs, valves, retainers, studs(95 and older 5.7 tbi) fresh heads paid 400 make offer

3) 454 bb 30k miles turn key make offer