Big Block Chevy

Air Flow Research

AFR 24° BBC Cylinder Head 325cc Partially CNC Ported, w/valve job, w/121cc CNC chambers, NO PARTS, ready for assembly: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 335cc fully CNC ported, 121cc Chambers, Competition Package, Assembled: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 335cc fully CNC ported, 121cc chambers, w/ valve job, NO PARTS, ready for assembly: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 345cc Partially CNC Ported, 117cc chambers, Race Ready, Assembled: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 345cc Partially CNC Ported, 117cc chambers, w/ valve job, NO PARTS, ready for assembly: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 345cc Partially CNC Ported, Race Ready, w/121cc CNC chambers, Assembled: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 345cc Partially CNC Ported, w/valve job, w/ 121cc CNC chambers, NO PARTS, ready for assembly: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 357cc fully CNC ported, 121cc Chambers, Competition Package, Assembled: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 357cc fully CNC ported, 121cc chambers, w/ valve job, NO PARTS, ready for assembly: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 377cc fully CNC ported, 121cc chambers, Competition Package, Assembled: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 377cc fully CNC ported, 121cc chambers, w/ valve job, NO PARTS, ready for assembly: PAIR

Air Flow Research

AFR 24° BBC Cylinder Head 385cc fully CNC ported, 121cc Chambers, Competition Package, Assembled: PAIR