Supposed to be good for 200 hp. But kinda spendy @ $10k
Chevy big block motor with Arao 32v heads. Heads bolt onto all 454, 502 or larger big block Chevy’s. All high performance camshafts can be used. All standard flat top pistons can be used up to 11.0:1 compression ratio. Higher compression pistons available from all piston manufacturers. 8 exhaust ports on each head is standard. Adapter available to bring 8 ports into 4 so standard headers can be used. Intake ports are higher than Big Chief heads. Special sheet metal intake manifold is needed. Heads are fully water jacketed billet aluminum.