{"product_id":"powermaster-3-alternator-pulley","title":"PowerMaster 3\" Alternator Pulley","description":"\u003cp data-start=\"103\" data-end=\"157\"\u003e\u003cstrong data-start=\"103\" data-end=\"155\"\u003e3\" Alternator Pulley for Powermaster Alternators\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"159\" data-end=\"430\"\u003eUpgrade your charging system with this 3-inch alternator pulley designed for \u003cstrong data-start=\"236\" data-end=\"263\"\u003ePowermaster alternators\u003c\/strong\u003e. Increasing the pulley diameter helps \u003cstrong data-start=\"302\" data-end=\"325\"\u003eslow alternator RPM\u003c\/strong\u003e at higher engine speeds—reducing heat, drag, and wear while maintaining reliable charging performance.\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"447\"\u003e\u003cstrong data-start=\"432\" data-end=\"445\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"448\" data-end=\"638\"\u003e\n\u003cli data-start=\"448\" data-end=\"482\"\u003e\n\u003cp data-start=\"450\" data-end=\"482\"\u003ePrecision-machined 3\" diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"483\" data-end=\"525\"\u003e\n\u003cp data-start=\"485\" data-end=\"525\"\u003eDirect fit for Powermaster alternators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"526\" data-end=\"588\"\u003e\n\u003cp data-start=\"528\" data-end=\"588\"\u003eSlows alternator speed for improved durability at high RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"589\" data-end=\"638\"\u003e\n\u003cp data-start=\"591\" data-end=\"638\"\u003eIdeal for performance and racing applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"640\" data-end=\"789\"\u003e\u003cstrong data-start=\"640\" data-end=\"669\"\u003ePulley Ratio Information:\u003c\/strong\u003e\u003cbr data-start=\"669\" data-end=\"672\"\u003eCalculate pulley ratio by dividing the diameter of your crankshaft pulley by the diameter of the alternator pulley.\u003c\/p\u003e\n\u003cul data-start=\"790\" data-end=\"1154\"\u003e\n\u003cli data-start=\"790\" data-end=\"911\"\u003e\n\u003cp data-start=\"792\" data-end=\"911\"\u003eExample: A 7.48-inch crank pulley with a 3-inch alternator pulley yields a \u003cstrong data-start=\"867\" data-end=\"890\"\u003e2.49:1 pulley ratio\u003c\/strong\u003e (7.48 ÷ 3 ≈ 2.49).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"912\" data-end=\"993\"\u003e\n\u003cp data-start=\"914\" data-end=\"993\"\u003eThis means the alternator will spin about \u003cstrong data-start=\"956\" data-end=\"990\"\u003e18,675 RPM at 7,500 engine RPM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"994\" data-end=\"1083\"\u003e\n\u003cp data-start=\"996\" data-end=\"1083\"\u003e\u003cstrong data-start=\"996\" data-end=\"1020\"\u003eStandard alternators\u003c\/strong\u003e are rated to 18,000 RPM (slightly exceeded in this example).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1084\" data-end=\"1154\"\u003e\n\u003cp data-start=\"1086\" data-end=\"1154\"\u003e\u003cstrong data-start=\"1086\" data-end=\"1120\"\u003eRace alternators\u003c\/strong\u003e are rated to 20,000 RPM (safe).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1156\" data-end=\"1344\"\u003ePerfect for high-revving engines where alternator overspin can become an issue, this pulley helps extend the life of your Powermaster alternator without sacrificing charging performance.\u003c\/p\u003e","brand":"Powermaster","offers":[{"title":"Default Title","offer_id":46701177274598,"sku":"PWM-195","price":80.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/8259\/6070\/files\/powermaster-3-alternator-pulley-ict-billet-6845457.jpg?v=1759275887","url":"https:\/\/www.ictbillet.com\/products\/powermaster-3-alternator-pulley","provider":"ICT Billet","version":"1.0","type":"link"}