Mazda 12A & 13B Underdrive Alternator Pulley

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  • Regular price $57.00
Tax included.


Lightweight alternator 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 75mm.

Suits early 12A and 13B rotaries through to series 5 RX-7 (vehicles with 15 mm alternator shaft).

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