Melling VSK461219 High Performance Valve Spring Kit for GM LS Engines

The Melling VSK461219 is a high-performance valve spring kit engineered specifically for GM Gen III and Gen IV LS engines, including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L applications. This comprehensive kit delivers reliable valve control for street performance and racing builds, supporting camshaft lifts up to 0.650 inches.

Key Specifications:

• Beehive spring design for reduced valvetrain weight and improved high-RPM stability
• Installed height: 1.800 inches with 135 PSI pressure
• Open height: 1.175 inches with 348 PSI pressure
• Coil bind height: 1.102 inches
• Inside diameter: 0.885 inches
• Outside diameter: 1.307 inches
• Suitable for hydraulic roller camshafts

Complete Kit Includes:

• 16 high-performance beehive valve springs (part #461219)
• 8 intake valve stem seals (part #440014)
• 8 exhaust valve stem seals (part #440024)
• 16 chrome-moly valve spring retainers (part #475264)
• 32 valve locks (part #VL-760)

Manufactured from durable alloy materials designed to resist fatigue under extreme heat and stress, these springs maintain consistent tension for optimal valve control and engine efficiency. The beehive design reduces valvetrain mass while maintaining proper spring pressure throughout the lift cycle.