Gen 3 & 4 LS

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

Brodix Cylinder Heads

Brodix STS BR7 273 Six Bolt Cylinder Heads (ASSEMBLED)

Air Flow Research

AFR 12° LS3 Head 260cc, fully CNC ported, 69cc chamber, NO PARTS: PAIR

Air Flow Research

AFR 12° LS3 Head 260cc, fully CNC ported, 69cc chambers, 6- BOLT, NO PARTS: PAIR

Air Flow Research

AFR 12° LS3 Porters Casting, no porting, rocker rail, parts or valve job, 6- BOLT: 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