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

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 ProtectionDesigned to dampen crankshaft harmonics, this balancer helps reduce engine wear and improve long-term reliability—especially in performance and high-RPM applications.Durable Performance ConstructionSteel and elastomer construction provides dependable damping and strength, while SFI certification supports high-performance and racing applications.Easy Timing & Installation360 Deg timing marks simplify ignition setup, while application-specific sizing supports proper accessory alignment and straightforward installation.Built for Street & Performance ApplicationsIdeal for performance rebuilds, restorations, and upgraded engine combinations where crankshaft stability and consistent operation are critical.COMPATIBLE WITHGM 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 APPLICATIONSChevrolet 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 buildsNOTESDesigned 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

• 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