{"product_id":"mazda-12a-13b-underdrive-crank-pulley","title":"Mazda 12A \u0026 13B Underdrive Crank Pulley","description":"\u003cp\u003eLightweight crank 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 88mm.\u003c\/p\u003e\n\u003cp\u003eSuits early 12A and 13B rotaries through to series 5 RX-7.\u003c\/p\u003e\n\u003cp\u003ePlease check our other listings for underdrive alternator pulleys and waterpump pulleys.\u003c\/p\u003e","brand":"Franklin Performance","offers":[{"title":"Default Title","offer_id":43595352408247,"sku":"043-002","price":151.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2114\/4951\/files\/Pulley-underdrive-3_d317dc4e-8523-41e6-982a-63dd90678e0c.jpg?v=1727140997","url":"https:\/\/whittleworks.co.nz\/products\/mazda-12a-13b-underdrive-crank-pulley","provider":"Whittle Works","version":"1.0","type":"link"}