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.