{"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","brand":"Dinan","offers":[{"title":"Default Title","offer_id":50916367794343,"sku":"DNND560-0001","price":629.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/16f1f5d9d64659f467eab4e5dcbc441eL.jpg?v=1782490927","url":"https:\/\/www.straightsiximports.com\/products\/dinan-06-10-bmw-m5-underdrive-pulley-kit","provider":"Straight Six Imports","version":"1.0","type":"link"}