POWERBOND 25% UNDERDRIVE POWER PULLEY KIT FOR HOLDEN COMMODORE VT VX VY VZ LS1 L76 5.7L 6.0L V8
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PBK801-D
This 25% Underdrive balancer kit increases horsepower by reducing parasitic power loss from driving engine accessories including alternator, power steering and air conditioning.
This kit includes Powerbond SFI Race harmonic balancer to give unbeatable strength and durability on the street or race track, a smaller diameter harmonic balancer which reduces inertia for faster engine acceleration and a full set of all metal NULINE heavy duty idler pulleys with high speed bearings, premium performance poly V drive belts for quiet running and minimum belt slip.
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Contents:
- 1 X 25% Underdrive race performance balancer
- 1 X Ribbed idler/tensioner pulley
- 2 X W-profile polyrib belt (4PK, 6PK)
- 3 X Flat idler/tensioner pulley
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Vehicle Fitment Guide

- 5 stars: 3 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
First off, the fitment was absolutely perfect. Everything in the kit lined up exactly as it should with zero hassle or modification needed. The included belts were the exact right length, and replacing the brittle factory plastic idler pulleys with the heavy-duty metal ones in the kit gives immense peace of mind.
Perfect
nice thank you
