AFR 345cc Rectangle Port 24 Magnum Aluminum Cylinder Heads - Big Block Chevrolet 600010104 2 Helmet Air Pumper System

2 Helmet Air Pumper System PH-MAC3 at low everyday prices

Tensioner on laces to prevent shoes coming untied mid race

the Holeshot-22 is designed with two main goals in mind: driver safety and driver comfort

000 in/ft to 1

AFR 345cc Rectangle Port 24 Magnum Aluminum Cylinder Heads - Big Block Chevrolet 600010104 2 Helmet Air Pumper SystemIf 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+