BTR Brian Tooley Racing .560" Lift LS6 Beehive Valve Springs | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines | Replaces GM 12713265 & 12499224 | Perfect for Mild Cam Swaps

The Brian Tooley Racing (BTR) .560” Lift LS6 Beehive Valve Springs are the ultimate OEM+ upgrade for mild camshaft builds on 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS engines. Designed to handle up to .560” of valve lift, these precision-engineered springs provide exceptional valve control, improved stability, and reduced valve float across the RPM range. Manufactured from high-tensile steel and heat-treated for long-term strength, BTR’s LS6 beehive springs are a proven solution for engines running aftermarket cams or higher boost levels. They deliver the ideal balance between reliability and performance, making them a go-to choice for street and mild performance builds that demand durability and precise valve motion.

• .560” Maximum Valve Lift: Optimized to support camshafts with up to .560” lift—ideal for mild camshaft upgrades that improve power without coil bind or spring fatigue.
• 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”.
• Beehive Design Efficiency: Reduces valvetrain weight and harmonics for improved valve control, smoother operation, and extended spring life under high-RPM conditions.
• Perfect Fit for LS Platforms: Fits 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS engines including LS1, LS2, LS3, LS6, LQ4, and LQ9—making it a direct-fit upgrade for OEM or aftermarket cylinder heads.
• 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.