Big Block Chevy

Dart

Dart Part #21311840, BBC 18 Degree, 1.840 X 11/32

Air Flow Research

AFR 18° BBC Cylinder Head 457cc fully CNC ported, 90cc Chambers, w/ductile iron seats & steel valves, Competition Package, Assembled: EACH

Air Flow Research

AFR 18° BBC Cylinder Head 457cc fully CNC ported, 90cc Chambers, w/valve job, w/ductile iron seats, NO PARTS, ready for assembly: EACH

Air Flow Research

AFR 18° BBC Porters Casting Cylinder Head Bare With Ductile Iron Seats: EACH

Air Flow Research

AFR 24° BBC 325cc Enforcer As Cast 122cc chambers – Assembled: EACH

Air Flow Research

AFR 24° BBC 325cc Enforcer As Cast 122cc chambers – NO PARTS: EACH

Air Flow Research

AFR 24° BBC Cylinder Head 265cc Oval Port Partially CNC Ported, 109cc chambers, Race Ready, Complete w/Hydraulic Roller Springs: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 265cc Oval Port Partially CNC Ported, 109cc chambers, Race Ready, Complete w/Solid Roller Springs: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 265cc Oval Port Partially CNC Ported, 109cc chambers, w/valve job, NO PARTS, ready for assembly: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 265cc Oval Port Partially CNC Ported, Race Ready, Complete w/Hydraulic Roller Springs, w/CNC 112cc chambers: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 265cc Oval Port Partially CNC Ported, Race Ready, Complete w/Solid Roller Springs, w/CNC 112cc chambers: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 265cc Oval Port Partially CNC Ported, w/ valve job, w/CNC 112cc chambers, NO PARTS, ready for assembly: PAIR