Supertech Performance KPR-6S-7 Valve Stem Keepers (Sold Per Keeper)

The Supertech Performance KPR-6S-7 valve stem keepers are precision-machined components designed to securely lock valve spring retainers onto valve stems in high-performance engine applications. Engineered to exact tolerances, these keepers ensure a reliable, tight fit that maintains proper valve train geometry under demanding conditions including high RPM and elevated temperatures.

Supertech manufactures each keeper to the same exacting quality standards applied across their full line of valvetrain components, making them a trusted choice for engine builders working on performance, racing, and motorsport applications. The KPR-6S-7 keepers are developed specifically for use with compatible Supertech retainers.

Key Features:

• Precision-machined to tight tolerances for consistent, secure fitment
• Designed specifically for compatible Supertech valve spring retainers
• Suitable for high-performance, racing, and motorsport engine builds
• Manufactured to the same high-quality standards as all Supertech valvetrain components
• Sold individually (per keeper) — order the exact quantity required for your application

Important: These keepers are sold per piece. Please order the total quantity needed for your engine build. For example, a 16-valve engine requiring one keeper per valve groove set will need multiple keepers — order accordingly.