HRD/Slawko head package,10 matching pistons for 4.125 bore with .027 ring package,HRE matching Intake 8.100 deck, heads, valves, manifold,and pistons exellent condition only dyno time and 4 runs since new, changing engine combo. $9,500.00 call Billy Griffin days 203 656 1502 or evenings 203 831 0043