ATI Damper for LS1/2/3/6/L76 Rear 6.78in AL 6 Groove 28T 8mm HTD Drive

ATI Rear Harmonic Damper for LS Engines — 6.78" Aluminum, 6-Groove Brand: ATI High-performance rear-mounted harmonic damper engineered for LS1, LS2, LS3, LS6 and L76 series engines. Precision-machined aluminum construction and balanced design deliver reliable vibration control and long service life under race and street conditions. Size: 6.78 inch (diameter) Material: Lightweight, durable aluminum Grooves: 6-groove belt profile for accessory drive systems Drive: 28-tooth, 8 mm HTD drive sprocket included (rear location) Fitment: Direct-fit for LS1/2/3/6/L76 engines (1997–2013 applications) Design: 3-ring damper for improved torsional vibration absorption This ATI damper combines lightweight construction with precision balance to reduce crankshaft stress, improve throttle response and protect valvetrain components. Ideal for high-RPM builds, forced-induction setups and performance street cars. Benefits: Reduced harmonic vibration, improved longevity of rotating assemblies, compatible with 6-groove accessory belts and HTD drive systems. Direct-replacement fitment for easy installation.