Hi Performance Dual Port Cylinder Heads, Stock Design 040 Casting w/ Performance Valve Job

EMPI-has-Taken-the-SCORE-Approved-Dual-Port-Head-Back-to-the-Machine-Shop-for-a-Little-More-Work-to-Bring-You-a-Version-That-is-the-Perfect-Match-for-Your-Big-Bore-Application.

Based-on-the-Proven-“040†(SKU: 981374B)