BTR Brian Tooley Racing Platinum .660" LS Dual Valve Spring Kit with Steel Retainers | Fits Gen 3 Gen 4 LS Engines | 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade
Product Description
BTR Brian Tooley Racing Platinum .660" LS Dual Valve Spring Kit with Steel Retainers | Fits Gen 3 Gen 4 LS Engines | 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade
- Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coil bind @ 1.070" This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA.
- Dual Spring Valvetrain Control: Provides increased seat and open pressure to maintain valve stability and prevent float in high-RPM LS applications.
- Steel Retainers Included: Durable steel retainers offer long service life and strength for aggressive street and performance engine builds.
- Performance Application Ready: Ideal for performance camshaft upgrades in street strip naturally aspirated and forced induction LS engine builds.
- Brian Tooley Racing Platinum Series: Designed using BTR’s proven LS valvetrain expertise for consistent performance and reliability.
Technical Specifications
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