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PC3002S/AC FF281
Complete systems are 50-State smog legal for all vehicles except those equipped with LEV2 ULEV engines
Do not cut spring seats any larger or deeper than 1
TRACK 1 221 cc 67 cc 2
IRON EAGLE BBC 308/121CC .690 LIFT HEADS #15100112 FREE DART VALVE COVERS! PC3002S/AC FF281CALL 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