STK Performance Racing Dual Valve Spring Kit 6mm BMW M52

Product Overview

High-performance dual valve spring kit for BMW M52 engines. Manufactured from premium Chrome Silicon steel with Chromoly retainers and inner spring locators. Purpose-built for motorsport and high-RPM applications. Eliminates valve float and maintains precise valve control.

What's Included

• 24 × Inner Valve Springs
• 24 × Outer Valve Springs
• 24 × 6mm Chromoly Retainers
• 24 × Inner Steel Valve Spring Locators

Technical Specifications

Seating Pressure 37mm 95lbs Full Lift Pressure = 240lbs

Material Specifications

Valve Springs: Premium Chrome Silicon Steel (CrSi) - Dual spring configuration Retainers: 4130 Chromoly Steel - Precision-machined, reduced mass Performance Rating: 8500 RPM capability Lift Capacity: Up to 14mm camshaft lift

Key Benefits

Superior valve control at high RPM Protection against coil bind and valve float Compatible with aggressive camshaft profiles Track-proven reliability

Application

Designed specifically for BMW M52 engines.

Installation Notes

Professional installation recommended. Verify spring heights and valve travel. Not a straight forward replacement kit.