PAC High Performance LS .550″ Lift Springs (Replaced 12713265)

TSP .550″ Lift Beehive Valve Springs – PAC Racing Upgrade for Low Lift Cams

The TSP .550” Lift Beehive Valve Springs are designed as a direct replacement for the aging GM LS6 and GM “high-performance” springs. Manufactured by PAC Racing exclusively for Texas Speed, these springs provide superior performance and durability for low lift camshaft applications — all while retaining stock-like valvetrain geometry.

Key Features:

• Max Lift: .550″
• Drop-in Replacement: Ideal for replacing GM LS6 and “high-performance” springs
• PAC Racing Quality: Built to strict tolerances for enhanced consistency and longevity
• For Low Lift Cams: Perfect match for TSP low lift camshafts

Spring Specifications:

• Installed Height: 1.800” – 92 lbs
• Open Pressure @ 1.300”: 285 lbs
• Max Solid Height: 1.181”
• Spring Rate: 386 lbs/in

Ideal For:

• LS engines running low lift performance camshafts
• Daily-driven or street/strip builds
• Customers wanting a high-quality drop-in spring with OEM-like longevity

Whether you’re refreshing an old setup or installing a new low lift cam, the TSP .550” Lift Beehive Valve Springs deliver the reliability, performance, and ease of install that made the LS6 spring popular — but with modern metallurgy and spring technology from PAC Racing.