Supertech Performance VS-M6.6I-8 High Performance Valve Spring

The Supertech Performance VS-M6.6I-8 is a precision-engineered high-performance valve spring designed for demanding racing and high-RPM applications. Manufactured from premium chrome silicon alloy steel, this valve spring delivers consistent valve control and reliability under extreme operating conditions.

Key Features:

• Premium chrome silicon alloy construction for superior fatigue resistance
• Precision wound to exacting tolerances for consistent performance
• Heat-treated for maximum durability and longevity
• Designed to prevent valve float at high RPM
• Engineered for racing and high-performance street applications
• Shot-peened surface finish to resist stress cracking

Supertech Performance valve springs are trusted by professional engine builders and racers worldwide for their consistent quality and performance. Each spring is manufactured to strict quality control standards to ensure reliable valve train operation in the most demanding conditions.