BTR Beehive Valve Spring Kit – .625" Lift w/ .045" Locators (BTR-SK018)
Overview
The BTR SK018 Beehive Valve Spring Kit is a proven, budget-friendly solution for LS builds running camshafts up to .625" lift. Designed for reliability across both street and race applications, this kit delivers stable valvetrain control without requiring an overly complex setup.
Engineered to work with factory retainers and locks, the SK018 kit is ideal for a wide range of LS builds—from daily drivers to performance-oriented setups requiring consistent valve control at higher RPM.
Key Features
- Supports camshafts up to .625" valve lift
- Designed for use with factory retainers and locks
- Budget-friendly performance upgrade
- Tumble polished for reduced stress risers and improved durability
- Spintron and engine dyno tested for proven reliability
- Suitable for both street and limited race applications
Specifications
- Spring Pressure @ 1.800": 125 lbs
- Spring Pressure @ 1.200": 350 lbs
- Spring Pressure @ 1.175": 365 lbs
- Coil Bind Height: 1.100"
Dimensions:
- Top I.D.: .645"
- Top O.D.: 1.02"
- Bottom I.D.: .9115"
- Bottom O.D.: 1.285"
Kit Includes
- (16) BTR SP018-1 Beehive Valve Springs
- (1) LS Valve Seal Set
- (1) Spring Locator Set (.045" Thickness)
Fitment & Compatibility
- Designed for GM Gen III & IV LS engines
- Compatible with camshafts up to .625" lift
- Works with factory retainers and valve locks
- Ideal for street performance and single spring class racing
Important Notes
⚠️ Not compatible with OEM hat-style valve seals
⚠️ Roller Rocker Advisory
BTR does not recommend the use of single-wire beehive springs with roller rockers due to increased valvetrain mass, which can reduce stability. Higher ratio rocker arms may also increase the risk of coil bind.
Why Choose the BTR SK018 Kit?
The SK018 is one of the most versatile LS valve spring kits available—offering the perfect balance of affordability, durability, and performance. Whether you're upgrading a daily driver or supporting a performance camshaft, this kit provides the stability needed without unnecessary complexity.
