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" R030015XL No more fumbling with tape the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

No more fumbling with tape measures and trying to guess the center to center distance

Designed for Small-Block application

001" accuracy

Standard Duty Engine Cradles

Simpson Window Nets are constructed from top quality 1" webbing for maximum protection in full bodied race cars

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" R030015XL No more fumbling with tape the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) No more fumbling with tape measures and trying to guess the center to center distance Designed for Small Block application