BTR Brian Tooley Racing .560" Lift LS6 Beehive Valve Springs w/Hat Seals | Fits 4.8L 5.3L 5.7L 6.0L LS Engines | Replaces GM 12713265 & 12499224 | Perfect for Mild Camshaft Upgrades

The Brian Tooley Racing (BTR) .560” Lift LS6 Beehive Valve Springs with Hat Seals offer a proven upgrade for LS-based engines running mild camshafts or enhanced valvetrain setups. Designed to handle up to .560” of lift, these springs deliver excellent valve control, improved stability, and reduced valve float while maintaining long-term reliability. Each spring features a 1.270” outer diameter and 1.800” installed height—ideal for use with LS1, LS2, LS6, LQ4, and LQ9 engines. The included hat seals provide superior oil control and stem sealing, making this kit a complete, direct-fit solution for factory replacements or performance builds. Manufactured from premium, heat-treated spring steel and tested for durability, this setup ensures consistent performance for both street and performance LS applications.

• .560” Maximum Valve Lift: Rated to handle camshafts up to .560” lift—ideal for mild LS performance cam upgrades without risking coil bind or spring fatigue.
• Complete Kit with Hat Seals: Includes high-quality BTR beehive valve springs and precision-fit hat seals for optimal oil control and long-term valvetrain reliability.
• Detailed Spring Specifications: 1.270” outer diameter, 1.060” inner diameter, 1.800” installed height, 90 lbs seat pressure @ 1.800”, 295 lbs open pressure @ 1.250”, coil bind @ 1.100”.
• Premium Multi-Stage Heat Treatment: High-tensile steel springs are heat-treated, shot-peened, and stress-relieved to prevent fatigue and maintain consistent spring rate.
• Proven BTR Quality: Trusted by top engine builders, tuners, and racers worldwide, these springs deliver the reliability, precision, and performance Brian Tooley Racing is known for.