{"product_id":"underdrive-pulley-kit-s85-stre","title":"UNDERDRIVE PULLEY KIT S85 STRE","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e D560-0001\u003c\/p\u003e\u003cp\u003eDinan's lightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13 percent, reducing parasitic drag on the engine for a 6 HP @ 8000 RPM and 4 lb-ft torque @ 8000 RPM gain on a stock vehicle. The Dinan underdrive pulley retains the factory harmonic crankshaft damper, eliminating vibration that might otherwise damage the crankshaft.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAll accessories are underdriven by 13% to decrease drag on the engine.\u003c\/li\u003e\n\u003cli\u003eLightweight billet aluminum crankshaft pulley, black anodized and engraved.\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware and shorter belts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e13 Percent Underdrive - Billet Aluminum - E60\/E63\/E64\u003c\/p\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":51827472073016,"sku":"D00G D560-0001","price":667.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/377121682.webp?v=1778797047","url":"https:\/\/store.motormia.co\/products\/underdrive-pulley-kit-s85-stre","provider":"MOTORMIA","version":"1.0","type":"link"}