{"product_id":"dinan-underdrive-crankshaft-pulley-kit-for-bmw-e60-m5-and-e63-e64-m6","title":"Dinan Underdrive Crankshaft Pulley Kit for BMW E60 M5 and E63\/E64 M6","description":"\u003cp\u003e\u003cstrong\u003eUnderdrive Crankshaft Pulley Kit for BMW E60 M5 and E63\/E64 M6\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLightweight billet aluminum crankshaft pulley underdrives each of the accessories by 13%, reducing parasitic drag on the engine for a 6 horsepower and 4 lb-ft torque gain.The Dinan underdrive pulley retains the factory harmonic crankshaft damper, eliminating vibration that might otherwise damage the crankshaft.\u003c\/p\u003e\u003cp\u003eThe kit includes all of the necessary mounting hardware, lightweight pulley and shorter belts.This product is backed by our industry leading 4 year\/50,000 mile warranty so you can rest assured that you are purchasing the best quality product for your BMW.\u003c\/p\u003e\u003cp\u003eContact a Dinan Performance Specialist @ 1-800-341-5480 for more information.\u003c\/p\u003e\u003cp\u003e6 horsepower @ 8000 rpm and 4 lb-ft torque @ 8000 rpm on a stock car.\u003c\/p\u003e","brand":"FR SPORT","offers":[{"title":"Default Title","offer_id":68047487598888,"sku":"1E3TJ","price":449.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5147\/0888\/files\/D560-000115282608855b176915f219a.jpg?v=1793345390","url":"https:\/\/iwujiperformance.com\/products\/dinan-underdrive-crankshaft-pulley-kit-for-bmw-e60-m5-and-e63-e64-m6","provider":"Iwuji Performance","version":"1.0","type":"link"}