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POWERBOND Harmonic Balancer Nissan Commodore VL 3 litre including Turbo 1985-88 RB30, 25% Underdriven, 5.08" diameter - 7.2lb, (neutral balance) black series, race steel, made to SFI 18.1 specifications. Serpentine belt.

• Under-driving the accessory pulleys to reduce parasitic power losses from the alternator, air conditioning, water pump and power steering at high engine RPMs. A smaller, lighter harmonic balancer is like a lightweight flywheel and can sharpen throttle response and allow the engine to rev out faster.


• The POWERBOND Race Series brings the advantages of bonded balancers to high revving race and street/race applications where an SFI approved balancer is required.


• Every Race Series POWERBOND balancer features a precision CNC machined AUSI 1045 forged steel hub bonded to an equally strong steel inertia ring. Advanced design means that Race Series balancers are very light for an all steel product. In most cases they are only marginally heavier than the original cast iron balancer and generally much lighter than other all steel balancers on the market.


• The steel inertia ring of the Race Series models is positively protected against forward and backward movement and has the assurance of bonded rubber to eliminate spinning.


• Every model has easy to read computer etched timing marks.


• All POWERBOND Race series balancers meet SFI specification 18.1.