{"product_id":"dinan-06-10-bmw-m5-underdrive-pulley-kit","title":"Dinan 06-10 BMW M5 Underdrive Pulley Kit","description":"\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\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLightweight billet aluminum crankshaft pulley, black anodized and engraved.\u003c\/li\u003e\n\u003cli\u003eAll accessories are underdriven by 13% to decrease drag on the engine.\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware and shorter belts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":53396274643253,"sku":"D560-0001","price":449.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/2526\/5973\/files\/16f1f5d9d64659f467eab4e5dcbc441eL.jpg?v=1787586481","url":"https:\/\/motorsportteknik.com\/products\/dinan-06-10-bmw-m5-underdrive-pulley-kit","provider":"Motorsport  Teknik","version":"1.0","type":"link"}