{"product_id":"dinan-06-10-bmw-m5-underdrive-pulley-kit-d560-0001","title":"Dinan 06-10 BMW M5 Underdrive Pulley Kit - D560-0001","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\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\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\n\u003ch4\u003eDownloads \u0026amp; Resources\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/679be969f05a69aec4500f1cacf83948.PDF\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":46338581561480,"sku":"dnnD560-0001","price":434.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/2491\/6104\/files\/16f1f5d9d64659f467eab4e5dcbc441eL.jpg?v=1786370679","url":"https:\/\/www.allianceracing.com\/products\/dinan-06-10-bmw-m5-underdrive-pulley-kit-d560-0001","provider":"Alliance Racing","version":"1.0","type":"link"}