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GFB Lightweight Alloy Crank Pump Pulley for Toyota GT86 for Subaru BRZ Scion FRS

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SKU: 2016-GFB

Availability: In stock

Product Description



    Like all GFB lightweight pulleys, these begin life as a single 6061-T6 aluminium alloy billet, which is then precision CNC machined to exacting tolerances. They are then anodized black for a stealthy appearance and superior wear resistance. Then significant weight saving gives a reduction in rotation inertia allowing the engine to rev more freely.

    This kit is supplied with 3 pulleys, not just for looks - the combined saving of 2.2 kg is significantly more than what is achieved by replacing just the crank pulley alone.

    The weight doesn’t tell the whole story either - even though the saving is a significant 77%, the actual rotating inertia reduction (inertia is what counts) is 83%.

    Like all GFB lightweight pulley kits, you can feel the improvements:

    • Sharper throttle response
    • Engine feels more willing to rev
    • Stronger "urge"

    If you are unsure if this item will fit your car please contact us before ordering.

    Manufacturer part NumberG5897|2016
    EANDoes not apply

    More information about GFB lightweight pulleys:

    GFB lightweight pulley kits are made from aircraft-grade 6061-T6 aluminium and offer faster acceleration through significant weight reduction on the crankshaft.

    Most GFB lightweight pulleys are underdriven, which means the accessories are driven slightly slower to reduce parasitic losses. GFB pulley kits are designed to improve acceleration by reducing the rotational mass (inertia) on the crankshaft as well as parasitic loads from the driven accessories. The effect is similar to a lighter flywheel, and the engine feels more lively and willing to rev.

    We know that people are sometimes concerned about possible adverse effects of lightweight pulleys and underdriving, but rest assured GFB have done their homework! The underdrive ratios have been optimised to ensure there are NO adverse effects on the performance of the accessories, and whilst it is true that some engine types do suffer harmonic issues from lightweight pulleys, we steer clear of those. The kits we release are thoroughly application tested and do NOT cause engine damage in the short or long term.

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