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 B&M Mega Shifter

B&M Mega Shifter

Installation instructionsVehicle Applications: 1988-1998 Chevrolet Silverado/Sierra C1500 Std Cab (w/ C-Notch) 6" Rear DropVehicle Applications: 1988-1998 Chevrolet Silverado/Sierra C1500 Std Cab (w/ C-Notch) 6" Rear Drop

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

In recent testing

875 in W x 20 in H x 1

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 B&M Mega ShifterThe 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