Performance Products

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Accesories

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Adjustable Cambers Kit

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Air Intake Filter Adapter Kit

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Air Intake System

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Air/oil Cooler

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Aluminum Gt Wing

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Cam Gears/sprockets

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Coilover Kit

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Exhaust System

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Fpr Fuel Pressure Regulator

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Intake Heat Shield Panel

Lightweight/underdrive Crank Pulley  Acura  Bmw  Chrysler  Dodge  Eagle  Ford  Honda  Hyundai  Infiniti  Lexus  Mazda  Mercury  Mini  Mitsubishi  Nissan  Plymouth  Pontiac  Skoda  Subaru  Toyota  Vw Volkswagen

Short Shifter

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Strut Tower Brace

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Payment Options

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Spec Tuning preferes payment by PayPal - fast, easy, and secure. We can only ship to confirmed address. Money order is also accepted but subject to clearance.

Lightweight/underdrive Crank Pulley

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Racing Light Weight Under Drive Crank Pulleys SpecTuning Lightweight Crank Pulley increases engine power because it underdrives all the accessories 20% more power. This means power steering, air conditioning and alternator are on crank pulley and brings more power back to the wheels by not letting the accessories rob as much power. It also reduces weight in rotating and reciprocating parts anywhere along the drivetrain. It is effectively worth many times their weight in reducing inertial power loss. The power gained by speeding up the revolution of the crankshaft.

Featured Products Browse more using the left menu

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Acura Acura Racing Performance Underdrive Lightweight Pulley T-6061 Aircraft Lightweight Billet Aluminum Constructed & Anodized Chrome Reinforced. Read more & view all for this product Contact SpecTuning for advices Email to a friend

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Nissan Nissan Racing Performance Underdrive Lightweight Pulley T-6061 Aircraft Lightweight Billet Aluminum Constructed & Heat Hardene Reinforced. Read more & view all for this product Contact SpecTuning for advices Email to a friend

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Vw Volkswagen Volkswagen Racing Performance Underdrive Lightweight Pulley T-6061 Aircraft Lightweight Billet Aluminum Constructed & Heat Hardene Reinforced. Read more & view all for this product Contact SpecTuning for advices Email to a friend

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Toyota Toyota Racing Performance Underdrive Lightweight Pulley T-6061 Aircraft Lightweight Billet Aluminum Constructed & Heat Hardene Reinforced. Read more & view all for this product Contact SpecTuning for advices Email to a friend

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