Mazda 12A & 13B Underdrive Crank Pulley

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  • Regular price $151.00
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Lightweight crank pulley made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks.

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.

Pulley outside diameter is 88mm.

Suits early 12A and 13B rotaries through to series 5 RX-7.

Please check our other listings for underdrive alternator pulleys and waterpump pulleys.