Product Description
Brian Tooley Racing LS7 Platinum .660" Dual Valve Spring Kit with Steel Retainers
Drop-In Platinum Dual Spring Upgrade for Factory LS7 Cylinder Heads
The Brian Tooley Racing LS7 Platinum .660" Dual Spring Kit with steel retainers is a proven valvetrain solution for LS7 engines running aftermarket camshafts. Designed specifically for factory LS7 cylinder heads, this drop-in kit delivers excellent valve control, durability, and consistency at higher RPM and increased lift while retaining compatibility with stock rocker arms. Featuring polished dual valve springs, high-strength steel retainers, and LS7-specific shims, this kit is ideal for both street-driven and track-focused LS7 builds.
Key Features & Benefits
- LS7-Specific Drop-In Design: Engineered exclusively for factory LS7 heads to ensure proper installed height, spring pressure, and long-term reliability.
- .660" Lift Capability: Supports aggressive aftermarket camshaft profiles while maintaining stable valve control at elevated engine speeds.
- High-Strength Steel Retainers: Provides excellent durability and longevity for demanding performance applications while keeping costs lower than titanium options.
- Complete LS7 Installation Kit: Includes polished dual springs, steel retainers, locators for stock guides, locks, .030" LS7-specific shims, and seals.
- Trusted BTR Performance: A widely used spring package trusted by engine builders for reliable LS7 camshaft upgrades.
Valve Spring Specifications
- Spring Diameter: 1.300"
- Seat Pressure: 155 lbs @ 1.780"
- Open Pressure: 380 lbs @ 1.180"
- Maximum Load: 400 lbs @ 1.130"
- Coil Bind Height: 1.070"
Engine & Cylinder Head Compatibility
- Factory LS7 cylinder heads only
- Compatible with stock valve guides or aftermarket guides using stock guide diameter
- Designed for use with stock rocker arms
