CYLINDER HEADS - Chevy - Small Block - LT1/LT4

Performer
Performer heads are 50-state emissions legal and are designed to fit emissions related engines.

Performer LT1


RPM LT4 195
For the ultimate performance, RPM LT4 heads are patially CNC ported for added hp and torque over our standard Performer & Performer RPM models. They are ideal for high-performance street and entry-level race applications.

RPM LT4 195

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