AFR 345cc Rectangle Port 24 Magnum Aluminum Cylinder Heads - Big Block Chevrolet 3550224-9151- M Tear-Off Posts Hand Ratchet To

Tear-Off Posts Hand Ratchet To Eight Positions

1600-2200 RPM Stall

Nylon reusable needle and seat gaskets

Red Powder Coat

Youth One Size Fits All

AFR 345cc Rectangle Port 24 Magnum Aluminum Cylinder Heads - Big Block Chevrolet 3550224-9151- M Tear-Off Posts Hand Ratchet ToIf huge horsepower is what you are searching for, the 345 can certainly deliver. These cyilnder heads were targeted at larger cubic inch engines, 509 632ci, looking for maximum horsepower and rpm capability with a primary operating range of 3500 8000 rpm's (This range is an average and will vary with engine displacement and component selection). As well, these aluminum heads provide impressive torque figures at higher rpm levels, so higher reving 450+