Pioneer PF-555-HD-200 Valve Locks 7-Degree 11/32 Stem 200-Pack

The Pioneer PF-555-HD-200 valve locks are precision-engineered components designed to secure valve spring retainers to valve stems in high-performance and racing engines. These locks feature a 7-degree taper angle and are manufactured to fit 11/32-inch diameter valve stems, providing a secure mechanical connection that prevents valve spring retainer movement during engine operation.

Key Features:

• 7-degree lock angle for secure retention and easy installation
• Designed for 11/32-inch valve stem diameter
• Bulk pack of 200 pieces for engine builders and shops
• Precision-machined for consistent fit and performance
• Heavy-duty construction for durability in demanding applications

This bulk 200-piece pack is ideal for professional engine builders, machine shops, and racing teams who require quality valve train components in quantity. Pioneer valve locks are manufactured to exacting tolerances to ensure proper fit with valve stems and retainers, helping maintain valve train integrity under high-RPM conditions.