Pulley Underdrive Kit Suit Holden Commodore VT-VZ GEN III LS1 5.7 & LS2 6.0L, 25% Underdrive

Kit Features:

• Under drive balancer kit produces more horsepower by reducing parasitic power loss from driving engine accessories including alternator, power steering andair conditioning
• Smaller diameter harmonic balancer reduces inertia for faster engine acceleration
• PowerbondSFI Race harmonic balancer included for unbeatable strength and durability on thestreet or the race track
• Includes full set of all metal Nuline heavy duty idler pulleys with high speed bearings
• Premiumperformance poly serpentine belts included for quiet running and minimum belt slip