Pro Series GM Gen IV LS7 and Gen V LT1 Harmonic Balancer Damper Bolt Kit

Secure your crankshaft damper with confidence using the Top Street Performance Pro Series GM Gen IV LS7 & Gen V LT1 Harmonic Balancer Damper Bolt Kit. Designed specifically for LS7 and LT1 engine applications, this premium harmonic balancer retaining bolt provides the strength and reliability needed for engine rebuilds, balancer replacements, and performance upgrades.

Manufactured from heat-treated 35 chromoly steel with rolled threads and a durable black oxide finish, this crankshaft damper bolt is engineered to withstand the demanding loads generated by high-performance street and racing engines. With a minimum tensile strength of 190,000 PSI, it delivers superior clamping force to help maintain proper harmonic balancer retention under extreme operating conditions.

Whether you're installing a new harmonic balancer, replacing factory torque-to-yield hardware, or completing a fresh engine build, this LS7 and LT1 harmonic balancer bolt kit provides a dependable fastening solution for your crankshaft damper assembly.

• Designed for GM Gen IV LS7 and Gen V LT1 engines
• Ideal for harmonic balancer replacement and engine rebuild applications
• Manufactured from heat-treated 35 chromoly steel
• Rolled thread design for improved strength and durability
• Black oxide finish helps resist corrosion
• Minimum tensile strength of 190,000 PSI
• Provides secure crankshaft damper retention
• Suitable for street, performance, and racing applications

COMPATIBLE WITH
GM LS AND LT SERIES V8 ENGINES
• 7.0L / 427 in³ (LS7)
• 6.2L / 376 in³ (LT1, LT2, LT4, L86, L87)

COMMON VEHICLE APPLICATIONS
Chevrolet Corvette Z06 (LS7 equipped)
Chevrolet Camaro / Corvette (LT equipped)
Chevrolet Silverado / GMC Sierra (6.2L LT equipped)
Chevrolet Tahoe / Suburban / Yukon (6.2L LT equipped)
LS7 and LT performance engine builds

NOTES
Designed for GM LS7 and Gen V LT harmonic balancer damper bolt applications.
Verify crankshaft snout, balancer design, and factory bolt requirements before installation.
Not intended for standard Gen III/IV LS applications unless specifically verified.
Not compatible with Gen I Small Block Chevy or Big Block Chevy engines.

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