{"product_id":"mazda-12a-13b-underdrive-alternator-pulley","title":"Mazda 12A \u0026 13B Underdrive Alternator Pulley","description":"\u003cp\u003eLightweight alternator pulley made from aircraft-grade 6061-T6 aluminium for light weight, and black anodised for great looks.\u003c\/p\u003e\n\u003cp\u003eOffers 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.\u003c\/p\u003e\n\u003cp\u003ePulley outside diameter is 75mm.\u003c\/p\u003e\n\u003cp\u003eSuits early 12A and 13B rotaries through to series 5 RX-7 (vehicles with 15 mm alternator shaft).\u003c\/p\u003e\n\u003cp\u003ePlease check our other listings for underdrive crank pulleys and waterpump pulleys.\u003c\/p\u003e\n","brand":"Franklin Performance","offers":[{"title":"Default Title","offer_id":43595352309943,"sku":"043-006","price":57.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2114\/4951\/files\/Franklin-Performance-Pulley-14_a772708c-dd51-46c3-95e3-5413fbc3ae80.jpg?v=1727140972","url":"https:\/\/whittleworks.co.nz\/products\/mazda-12a-13b-underdrive-alternator-pulley","provider":"Whittle Works","version":"1.0","type":"link"}