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Top Street Performance

GM LS Gen III and IV Truck and Gen IV LS Car High Performance 4 and 6 Groove Harmonic Balancer/Damper

GM LS Gen III and IV Truck and Gen IV LS Car High Performance 4 and 6 Groove Harmonic Balancer/Damper

SKU: 81113

$325.91
$325.91 $370.35
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

  • Designed for GM LS Gen III and IV Truck and Gen IV LS Car High Performance 4 and 6 Groove Harmonic Balancer/Damper applications
  • Steel elastomer construction helps control crankshaft vibration and engine harmonics
  • Performance-grade design supports street, strip and high-output engine builds
  • Clear timing marks help simplify ignition setup and installation

Description

Upgrade your GM Gen III/IV LS-based engines with a SFI-certified performance harmonic balancer designed to control crankshaft vibration and reduce harmful harmonics across the RPM range. Built for street and performance applications, this balancer improves engine stability, durability, and overall reliability.

Vibration Control & Engine Protection
Designed to dampen crankshaft harmonics, this balancer helps reduce engine wear and improve long-term reliability—especially in performance and high-RPM applications.

Durable Performance Construction
Steel and elastomer construction provides dependable damping and strength, while SFI certification supports high-performance and racing applications.

Easy Timing & Installation
360 Deg timing marks simplify ignition setup, while application-specific sizing supports proper accessory alignment and straightforward installation.

Built for Street & Performance Applications
Ideal for performance rebuilds, restorations, and upgraded engine combinations where crankshaft stability and consistent operation are critical.

Specs

Engine Balance Internal
Timing Marks 360 Deg
Groove Quantity 6
4
Damper Material Steel
Construction Elastomer
SFI Approved Yes

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 truck applications and Gen IV LS car applications.
Verify crankshaft snout, pulley groove count, belt drive, and accessory spacing before installation.
Not compatible with Gen I Small Block Chevy, Gen V LT, or Big Block Chevy engines.

Q&A

Emissions Notice

This product does not require an Executive Order in California. By nature of its design this product does not require an emissions certification.