PAC Racing 1219 LS Valve Spring Kit .625" Lift with Retainers Seals & Locks | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LS6 LQ4 LQ9 Engines

The PAC Racing Springs PAC-1219 Ovate Beehive Valve Spring Kit delivers unmatched reliability and performance for street and mild racing LS engine applications. Engineered with PAC’s premium 1200 Series alloy and shot-peened to aerospace standards, these springs offer superior fatigue strength, consistent spring pressure, and long service life. Ideal for camshaft upgrades or performance rebuilds, the PAC-1219 springs maintain the precision load required to handle aggressive lift profiles without valve float or coil bind. Each kit includes springs, retainers, locks, and seals for a complete installation package.

• High-Performance Beehive Design: Ovate wire shape reduces mass while maintaining high spring pressure stability—ideal for aggressive camshaft applications.
• Premium Alloy Construction: Manufactured from a high-strength alloy that surpasses industry standards, shot-peened to aerospace specifications for superior fatigue resistance and durability.
• Optimized Performance Range: Perfect for street performance and mild racing setups, providing consistent load control at high RPMs.
• Complete Kit: Includes (16) valve springs, (16) retainers, (32) valve locks, and (16) hat seals—everything needed for a full valvetrain refresh or upgrade.
• Precision Specifications: Max Lift: .625" | Spring Rate: 340 lbs/in | Coil Bind: 1.100" | Installed Height: 1.800" @ 135 lbs | Open Load: 348 lbs @ 1.175".