IRON EAGLE BBC 308/121CC .690 LIFT HEADS #15100112 FREE DART VALVE COVERS! 5 Minimum Roller 4500 -

5 Minimum                Roller              4500 - 7500                Pro Street / Drag Race / Truck Puller

625 Spring)      115  Chamber  2038118 MAKE OFFER PER 1

240 DECK 3

Tell us your boost pressure

140 INTAKE        157             212            260            303            319            321            325

IRON EAGLE BBC 308/121CC .690 LIFT HEADS #15100112 FREE DART VALVE COVERS! 5 Minimum Roller 4500 -CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. FREE DART STAMPED STEEL VALVE COVERS #68000060 Big Block Chevy Complete Iron Eagle Cylinder Heads #15100112 Port Volume: 308cc Chamber Volume: 121cc Intake Valve: 2. 250 Exhaust Valve: 1. 88 Springs: 1. 550 dual springs for hydraulic roller or flat tappet cams up to . 690 lift. Dart designed Iron Eagle big block heads for street performance, bracket racing, oval track competition, tractor pulling, and