STK Performance Racing Dual Valve Spring Kit BMW S50/52/54 | Restomod
examples : clutch or chevy LS2 or 255/60R17

STK Performance Racing Dual Valve Spring Kit BMW S50/52/54

R9,651.52
R8,995.00
SKU:  Kit 006 S54iL
Stock Availability: 
In Country - 2 to 4 Days
Description: 

Product Overview

High-performance dual valve spring kit manufactured from premium Chrome Silicon steel. Purpose-built for motorsport and high-performance applications. Eliminates valve float and coil bind, rated up to 8500rpm with capacity for aggressive camshaft profiles up to 14mm lift.

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) - Shot peened and heat treated for superior fatigue resistance and heat stability

Retainers: 4130 Chromoly Steel - Lightweight with exceptional strength, reduces inertia for improved valvetrain stability

Performance Rating: 8500+ RPM capability

Lift Capacity: Up to 14mm camshaft lift

Key Benefits

Superior valve control at high RPM - eliminates valve float and bounce

Protection against coil bind under extreme conditions

Compatible with aggressive camshaft profiles

Track-proven reliability in motorsport applications

Enhanced durability for naturally aspirated and turbocharged setups

Installation Notes

Professional installation recommended. Correct spring heights and valve travel must be verified to avoid coil bind. For camshaft installations, always check piston-to-valve clearance and verify spring installed height. Use high-zinc break-in oil on first start.

This component forms part of the valve train system and must be selected to suit the intended engine configuration, RPM range, and camshaft design.