Product Description
Michigan Motorsports Titanium Retainers for .660 Dual Valve Springs
Lightweight Titanium Retainers for LS Dual Spring Applications
The Michigan Motorsports Titanium Retainers for .660 Dual Springs are engineered for high-performance LS valvetrain setups where strength, durability, and reduced mass are critical. Designed to work with most popular dual valve spring packages, these retainers significantly reduce valvetrain weight compared to steel retainers, improving RPM stability and overall reliability.
Precision-machined from high-quality titanium, these retainers are optimized for common 1.270"–1.300" dual valve springs and are an excellent match for popular spring kits from BTR, Texas Speed, and PAC. Each set includes 16 retainers—enough for a complete V8 engine.
Key Features & Benefits
- Lightweight Titanium Construction: Weighs approximately 8.5 grams per retainer (11 grams with locks), reducing valvetrain mass and improving high-RPM stability.
- Designed for .660" Lift Dual Springs: Ideal for performance camshaft applications requiring strong, stable valve control.
- Broad Spring Compatibility: Fits most 1.270"–1.300" dual valve springs, including BTR, TSP, PAC, and similar designs.
- Precision Machined Fit: Outer step diameter of .925" and inner step diameter of .670" for proper spring and lock engagement.
- Complete Engine Set: Includes 16 retainers for full V8 coverage.
Compatibility & Fitment
- Engine Fitment: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L LS-based engines.
- RPO Compatibility: LS1, LS2, LS3, LS4, LS6, L76, L92, L99, LQ4, LQ9, L33, LSA.
- Spring Compatibility: Fits most dual springs including BTR, Texas Speed, PAC, and PAC 1206X–1208X spring sets.
