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Mazda 12A & 13B Underdrive Pulley Set

$315.00
Availability: translation missing: en.general.icons.icon_check_circle icon 110 in stock, ready to be shipped

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  • Lightweight 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 outside diameter is 75mm.
  • Waterpump pulley outside diameter is 130mm.
  • Suits early 12A and 13B rotary, not S4, S5 or later engines.
  • The pulleys are also available individually, please check our other listings.