Cathedral Port

Dart

Dart PRO1 15° 280cc Cylinder Head (BARE) Part #11030050

Air Flow Research

AFR 15° LS Cathedral Port Cylinder Head 215cc fully CNC ported, 65cc chambers, Large Bore, Assembled: PAIR

Dart

Dart PRO1 15° 250cc CNC Cylinder Head (ASSEMBLED w/ BEEHIVE SPRINGS) Part #11071142

Air Flow Research

AFR 15° LSx 210cc Enforcer As Cast 64cc chambers – Assembled: EACH

Dart

Dart PRO1 15° 250cc CNC Cylinder Head (ASSEMBLED w/ DUAL SPRINGS) Part #11071143

Dart

Dart PRO1 15° 280cc Cylinder Head (ASSEMBLED w/ DUAL SPRINGS) Part #110301523

Air Flow Research

AFR 15° LS Cathedral Port Cylinder Head 205cc fully CNC ported, 66cc chambers, Small Bore, Assembled: PAIR

Air Flow Research

AFR 15° LS Cathedral Port Cylinder Head 230cc fully CNC ported, 62cc chambers, Big Bore, Assembled: PAIR

Air Flow Research

AFR 15° LS Cathedral Port Cylinder Head 230cc fully CNC ported, 65cc chambers, Small Bore, Assembled: PAIR

Air Flow Research

AFR 15° LS Cathedral Port Cylinder Head 230cc fully CNC ported, 72cc chambers, Big Bore, Assembled: 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