25% Underdrive Balancer Kits for LS engines

Give your engine the edge!
Powerbond 25% Underdrive kits available for your naturally aspirated LS engine, from VT-VZ 5.7-6.0, VE 6.0-6.2 (2006-08/2010), VE 6.0-6.2 (09/2010-2013) and VF 6.0-6.2 (Non LSA)
All offering the same benefits.
- Underdrive balancer kit produces more horsepower
- Smaller diameter harmonic balancer reduces inertia for faster engine acceleration.
- SFI race harmonic balancer included for unbeatable strength and durability.
- Includes full set of all metal Dayco Nuline heavy duty idler pulleys.
- Premium Dayco poly V drive belts included for quiet running and minimum belt slip.
VT-VZ - PBK001
VE 2006-08/2010 - PBK002
VE 09/2010-2013 - PBK016
VF - PBK021