EQ is Track Proven in IMCA Competition

EQ is a general sponsor of the International Motor Contest Association (IMCA) and the title sponsor of the IMCA Wild West Modified Tour. EQ cylinder heads have grown both in acceptance and usage with over 400 racers using EQ heads in multiple IMCA divisions.


Whether you are a race team or a professional engine builder, EQ is the approved supplier for the IMCA Sport Modified and Hobby Stock Cylinder Head. Part # EQ-CH350I is a direct stock replacement for the Chevy 350 cylinder head with 167cc intake runners and 76cc combustion chambers, 1.94 intake valves and 1.50 exhaust valves.

• Thicker decks for greater strength

• CNC machined guides and seats

• Superior port finish for increased flow

• 3-angle valve finish

• Machined integral guides

• Hardened exhaust seats

• Redesigned water flow for greater thermal conductivity

• Each head serial numbered, with an IMCA logo branded on it, verified by IMCA