ATI Harmonic Balancer

Eliminates torsional crankshaft vibrations

• Includes: hub, 4 rib A/C pulley, and balancer with 6 rib pulley
  
• Same diameter as factory LT Truck, so the belt length does not change
• Compatible with all Gen V, LT engines (excluding dry sump engines)
• Retains factory LT Truck belt groove locations for 4 & 6 rib pulleys
• Made in the USA