{"product_id":"pa-performance-03-04-cobra-170amp-alternator","title":"PA Performance 03-04 Cobra 170amp Alternator","description":"\u003cp\u003e\u003cstrong\u003ePA Performance 03-04 Cobra 170amp Alternator\u003c\/strong\u003e\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003e**Pulley Not Included** \u003cem\u003ePlease choose the correct pulley size according to the specific combination you run on your car.\u003c\/em\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cbr\u003e \u003cstrong\u003e**THE 170 AMP ALTERNATOR IS ONLY USED FOR THOSE RUNNING HIGH WATT AFTERMARKET STEREO ACCESSORIES**\u003c\/strong\u003e\u003cbr\u003e \u003cbr\u003e This is a very popular replacement where slightly increased capacity is needed. This unit will increase the charging capacity at all RPM Ranges with NO modifications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCommon on Ford DOHC Applications in 2003 \u0026amp; 2004 only and 3.8L applications from 2001 - 2004\u003c\/li\u003e\n\u003cli\u003eThis unit is a direct replacement with NO modifications\u003c\/li\u003e\n\u003cli\u003e90 amps at idle @ 950 rpm\u003c\/li\u003e\n\u003cli\u003e170 amps maximum @ 3000 rpm\u003c\/li\u003e\n\u003cli\u003eThe stock belt can be used on original equipment vehicles\u003c\/li\u003e\n\u003cli\u003eActual Alternator Weight is 12.9 lbs\u003c\/li\u003e\n\u003cli\u003eAll units are 100% NEW and come complete with internal voltage regulator.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp align=\"left\"\u003eTo calculate the alternator shaft speed, which should be no more than 16,000 RPM do the following:\u003c\/p\u003e\u003cp align=\"left\"\u003eAlternator pulley size (ie 2.5\")\u003c\/p\u003e\u003cp align=\"left\"\u003eCrankshaft Pulley Size (ie 5\")\u003c\/p\u003e\u003cp align=\"left\"\u003eRatio is 2:1 (5 \/ 2.5 = 2)\u003c\/p\u003e\u003cp align=\"left\"\u003eMax engine Speed = 5800 RPM\u003c\/p\u003e\u003cp align=\"left\"\u003eMultiply Max RPM x Ratio (5800 x 2) = 11,600 shaft RPM Max\u003c\/p\u003e\u003cp align=\"left\"\u003eIdle RPM = 1000\u003c\/p\u003e\u003cp align=\"left\"\u003eMultiply Idle RPM x Ratio (1000 x 2) = 2000 shaft RPM @ Idle\u003c\/p\u003e\u003cp align=\"left\"\u003e \u003c\/p\u003e\u003cp align=\"left\"\u003eAn alternator needs 1800-2000 at idle to make power and will make maximum output at 6000 rpm, and will start to fail at 16,000 RPM.\u003c\/p\u003e\u003cp align=\"left\"\u003e \u003c\/p\u003e\u003cp align=\"left\"\u003e\u003c\/p\u003e","brand":"PA Performance","offers":[{"title":"Default Title","offer_id":47954759844098,"sku":"PA-2606HO","price":409.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/pa-2606ho.jpg?v=1785025051","url":"https:\/\/www.lethalperformance.com\/products\/pa-performance-03-04-cobra-170amp-alternator","provider":"Lethal Performance","version":"1.0","type":"link"}