BRODIX - GB 2000-2400 SERIES AND DR 1213 CYLINDER HEADS 1138100 600 Spread Port 70/125 HV

600                                                       Spread Port                                 70/125                          HV 1200 / HV 1201

800     221

Timing Set: PG4100                                            Make: Chevy SB V8 & V6 1966-1981

580 EXHAUST      100         151         216         243         250         253

BRODIX - GB 2000-2400 SERIES AND DR 1213 CYLINDER HEADS 1138100 600 Spread Port 70/125 HVCALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. The BRODIX GB Series is in a class by itself. These 13. 5 valve angle heads were designed with sprint cars, late models, and drag racing in mind. The GB 2000 series features improved spark plug angles, highly efficient combustion chambers, raised intake ports, moved valve centerlines, and a raised valve cover rail. The latest evolution of the GB head is the DR 1213 which features a 13. 5 exhaust valve