EngineQuest IMCA Legal Cast Iron Cylinder Head - IMCA Sport Mods and Hobby Stocks Spec Head - Bare - Intake Runners: 167cc, Combustion Chambers: 76cc, Intake/Exhaust Valve: 1.94", 1.50" H760001XS 1998-1999 Ford Econoline Super Duty

1998-1999 Ford Econoline Super Duty

Thread size: -6AN male x -6AN female

Chevrolet:Big-Block Race

Full Re-Flash/Program Capability

EngineQuest IMCA Legal Cast Iron Cylinder Head - IMCA Sport Mods and Hobby Stocks Spec Head - Bare - Intake Runners: 167cc, Combustion Chambers: 76cc, Intake/Exhaust Valve: 1.94", 1.50" H760001XS 1998-1999 Ford Econoline Super DutyThe sole legal spec head option for small block Chevy powered IMCA Sport Mods and Hobby Stocks. Cast iron cylinder head is a direct replacement for OEM Chevy 350 head that include 167cc intake ports, 76cc combustion chambers, 1. 94" intake and 1. 50" exhaust valves. head feature a superior port finish for increased air flow, redesigned water passages for improved cooling, thicker decks and a three angle valve job. Head is serial numbered and includes