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Top Street Performance

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

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

SKU: SKU: 734-42074

Regular price $22.00
Sale price $22.00 Regular price $25.00
Shipping calculated at checkout.

In stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Fits GM Gen III/IV LS harmonic balancer and crankshaft damper bolt applications
  • 35 chromoly steel construction provides high-strength balancer retention
  • 12-point head design helps support proper torque and secure installation
  • Black oxide finish with oil coating helps resist rust and corrosion

Description

Upgrade your GM Gen III/IV LS setup with a Pro Series harmonic balancer damper bolt kit designed to support secure balancer installation and dependable crankshaft retention. Built for performance repairs, upgrades, and rebuilds, this kit helps ensure the balancer is properly fastened for reliable operation.

Secure Balancer Installation
Designed to properly retain the harmonic balancer on the crankshaft, this bolt kit helps support reliable operation in street, performance, and service replacement applications.

Performance-Ready Hardware
Pro Series construction provides the strength and durability needed for demanding engine builds and repeated service work.

Application-Specific Fit
Engine-specific design helps simplify installation and supports proper fitment for the listed GM or Ford platform.

Built for Repairs & Upgrades
Ideal for balancer replacement, engine assembly, and performance builds where fresh crankshaft damper hardware is recommended.

Specs

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

Engine Fitment

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 engines.
Not compatible with Gen I Small Block Chevy, Gen V LT, or Big Block Chevy engines.

Q&A

What engines is this harmonic balancer compatible with?
This harmonic balancer is designed for COMPATIBLE WITH, CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED), 4.8 L / 293 in3, 5.3 L / 325 in3, 5.7 L / 346 in3, 6.0 L / 364 in3, 6.2 L / 376 in3, NOTE: Will not fit LS7 engines.


What does a harmonic balancer do?
A harmonic balancer helps reduce engine vibration and protects internal engine components by dampening crankshaft harmonics.


Is this harmonic balancer suitable for performance applications?
Yes, this harmonic balancer is designed for performance use, but SFI certification should be confirmed if required for racing.


What material is this harmonic balancer made from?
It is made from 35 chromoly steel, which provides strength and durability for engine operation.


Is this a good upgrade over a stock harmonic balancer?
Yes, a performance harmonic balancer can improve engine reliability and help manage vibrations better than worn or stock units.


Do I need to verify fitment before installation?
Yes, you should always verify engine balance, diameter, and application compatibility before installing a harmonic balancer.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.