A-Fuel Cylinder Head

Custom-designed for the Nitro Aspirated class, Noonan's A-fuel ylinder heads were especially developed around the RPM band and maximum throttle response requirements in this vehicle class.  Our A-fuel cylinder heads are manufactured from high-quality tempered billet material, and finished by 3D CNC machined contouring which improves surface shine and resilience for an unmistakably elegant look.  This ensures these NA cylinder heads maintain a streamlined, lightweight design without sacrificing strength or sturdiness.  This fully billeted race cylinder head design is completed with deck-faced O-ring and valve cover O'rings, which achieve a super-tight gasket seal to prevent oil leakage without resorting to the use of silicon sealants.  The A-Fuel series was also designed for maximum versatility.  Noonan can implement Drain Back Drillings on request to suit late-model blocks.  This means less oil retention in the top end of the motor so oil is returned to the sump or tank, resulting in