077 Big Block aluminum heads
 

077 GM big block aluminum heads. Never cracked anywhere. No damaged threads. 106CC Chambers. Nicely ported. One small spot weld where grinding burr but too much. Inside on top of head on intake port. Exhaust port fins removed. D port now. All new manley stainless valves, 225/188s. Crack checked, new springs set up for L72 mechanical camshaft. NICE heads. Look just like 074 heads. These are ready to bolt on and go. Also , no chamber damage, none. $2300. Will consider offers. Thats what I have into them.