Pro Series GM Gen III/IV LS Harmonic Balancer Damper Bolt Kit

Upgrade your GM Gen III/IV LS engine with a Pro Series harmonic balancer damper bolt kit engineered for secure crankshaft damper retention and dependable performance. Whether you're installing a new harmonic balancer, replacing factory hardware, or completing an engine rebuild, this LS harmonic balancer bolt kit provides the strength needed for reliable operation in street and performance applications.

Secure Crankshaft Damper Retention
Designed to securely fasten the harmonic balancer to the crankshaft, this LS crankshaft damper bolt helps maintain proper balancer retention during engine operation, reducing the risk of hardware failure in demanding conditions.

High-Strength Performance Hardware
Manufactured from premium materials for durability and long service life, this harmonic balancer retaining bolt is well suited for performance upgrades, engine rebuilds, and service replacement applications.

Engine-Specific LS Fitment
Designed specifically for GM Gen III and Gen IV LS engines, helping ensure proper installation and compatibility with the listed LS harmonic balancer and crankshaft damper applications.

Ideal for Rebuilds & Balancer Replacement
Perfect for harmonic balancer replacement, engine assembly, and maintenance projects where fresh crankshaft damper hardware is recommended. A great choice for LS1, LS2, LS3, LS6, LQ4, LQ9, and other compatible Gen III/IV LS engine builds.

COMPATIBLE WITH
GM LS SERIES V8 ENGINES
• 4.8L / 293 in³ (LR4, LY2)
• 5.3L / 325 in³ (LM7, L59, L33, LC9, LH6, LY5, LMG)
• 5.7L / 346 in³ (LS1, LS6)
• 6.0L / 364 in³ (LQ4, LQ9, LY6, L76, L96)
• 6.2L / 376 in³ (LS2, LS3, L92, L99, LSA)

COMMON VEHICLE APPLICATIONS
Chevrolet Silverado / GMC Sierra (LS equipped)
Chevrolet Camaro / Corvette (LS equipped)
Chevrolet Tahoe / Suburban / Yukon (LS equipped)
Pontiac GTO / G8 (LS equipped)
LS swap, street/strip, and performance builds

NOTES
Designed for GM Gen III/IV LS harmonic balancer damper bolt applications.
Will not fit LS7 7.0L / 427 in3 engines.
Not compatible with Gen I Small Block Chevy, Gen V LT, or Big Block Chevy engines.

SPECIFICATIONS
Torque: 240 ft-lbs
Color: Black
Fastener Style: Bolt
Grade: Performance
Head Style: 12-point
Material: 35 Chromoly Steel
Quantity: Sold as a kit