Cylinder Heads

Air Flow Research

AFR 14° BBF 295cc Fully CNC ported, 85cc chambers, Stock Exhaust Port Location, assembled w/ 1.625 OD Pacaloy Solid Roller Valve Springs: PAIR

Air Flow Research

AFR 14° BBF 295cc Fully CNC ported, 85cc chambers, w/valve job, .250 (1/4”) Raised Exhaust Port Location, NO PARTS, Ready for assembly: PAIR

Air Flow Research

AFR 14° BBF 295cc Fully CNC ported, 85cc chambers, w/valve job, Stock Exhaust Port Location, NO PARTS, Ready for assembly: PAIR

Air Flow Research

AFR 14° BBF 315cc Fully CNC ported, 75cc chambers, .250 (1/4”) Raised Exhaust Port Location, assembled w/ 1.550 OD Hydraulic Roller Valve Springs: PAIR

Air Flow Research

AFR 14° BBF 315cc Fully CNC ported, 75cc chambers, .250 (1/4”) Raised Exhaust Port Location, assembled w/ 1.625 OD Pacaloy Solid Roller Valve Springs: PAIR

Air Flow Research

AFR 14° BBF 315cc Fully CNC ported, 75cc chambers, w/valve job, .250 (1/4”) Raised Exhaust Port Location, NO PARTS, Ready for assembly: PAIR

Air Flow Research

AFR 14° BBF 315cc Fully CNC ported, 85cc chambers, .250 (1/4”) Raised Exhaust Port Location, assembled w/ 1.550 OD Hydraulic Roller Valve Springs: PAIR

Air Flow Research

AFR 14° BBF 315cc Fully CNC ported, 85cc chambers, .250 (1/4”) Raised Exhaust Port Location, assembled w/ 1.625 OD Pacaloy Solid Roller Valve Springs: PAIR

Air Flow Research

AFR 14° BBF 315cc Fully CNC ported, 85cc chambers, w/valve job, .250 (1/4”) Raised Exhaust Port Location, NO PARTS, Ready for assembly: PAIR

Air Flow Research

AFR 15° LS Cathedral Port Cylinder Head 205cc As Cast FOR PORTERS ONLY, No porting, Valve Job, 64cc chambers, NO PARTS: PAIR

Air Flow Research

AFR 15° LS Cathedral Port Cylinder Head 205cc fully CNC ported, 66cc chambers, Small Bore, NO PARTS: PAIR

Air Flow Research

AFR 15° LS Cathedral Port Cylinder Head 215cc fully CNC ported, 65cc chambers, Large Bore, NO PARTS: PAIR