Mazda 12A & 13B Underdrive Pulley Set Merchandise and are black anodised for

and are black anodised for corrosion resistance

Engraved disk supplied with a heavy duty double sided adhesive sticker

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Nissan Skyline R34 GTR

Regulator Type: Internal

Mazda 12A & 13B Underdrive Pulley Set Merchandise and are black anodised forLightweight pulley set made from aircraft grade 6061 T6 aluminium for light weight, and black anodised for great looks. Set contains: crank pulley, alternator pulley and waterpump pulley. Offers faster acceleration through significant reduction of mass having to be accelerated by the crankshaft. The effect is similar to a lighter flywheel, and the car feels more lively and willing to rev. Crank pulley outside diameter is 88mm. Alternator pulley