Harmonic Balancer Bolt LS

Secure Your LS Harmonic Balancer with Confidence Get a precise, high-strength fit for your LS engine’s harmonic balancer. This Grade 8 bolt kit is built for durability and performance—perfect for LS swaps, rebuilds, and high-RPM applications. Features: Thread Size: 7/16-20 Bolt Length: 1.25” Grade 8 hardened steel for maximum strength Black oxide coating resists corrosion Includes washer for accurate torque distribution Designed for high-torque LS engines   Fits: GM LS engines — LS1, LS2, LS3, LS6, LS7, LS9, LQ4, LQ9, and more Pro Tip: Torque to 37 ft-lbs, then 240 ft-lbs with a 140° turn. Always apply thread locker to prevent loosening under vibration.