ATI Damper 6.78in Alum 6 Grv 10% UD for LS1/LS2 F & V Body No A/C 3 Ring

ATI 6.78" Aluminum Harmonic Damper for LS1/LS2 F & V Body (No A/C, 3-Ring) Brand: ATI — engineered for performance and durability. This precision-built 6.78-inch aluminum damper is purpose-designed for LS1/LS2 engines in F- and V-body applications without air conditioning. Key Features Exact fit: Direct replacement for LS1/LS2 crankshafts on F & V body vehicles (no A/C). 6.78" diameter: Compact size preserves accessory and belt clearance in tight engine bays. 6-groove pulley: Accommodates 6-rib belt configurations for OE or upgraded accessory setups. 10% Underdrive (UD): Reduces parasitic loss for improved throttle response and power delivery. Aluminum construction: Lightweight yet rigid to reduce rotating mass and improve balance. 3-ring design: Enhanced vibration damping and extended service life under high-performance use. Benefits Optimize engine responsiveness and reduce crankshaft stress with an ATI damper that combines lightweight materials, precise balancing, and an underdrive pulley to free up horsepower. Ideal for street performance, track use, or any LS-based build where accessory drive clearance and reliability matter. Note: Intended for vehicles without A/C. Verify pulley spacing and belt layout before installation.