{"product_id":"2-54mm-4g-alternator-pulley-shim-kit","title":"2\" \/ 54mm 4G Alternator Pulley \u0026 Shim Kit","description":"\u003cp\u003eSolve voltage drop issues at idle with this alternator pulley and shim kit. By increasing alternator output without excessive modification, you can maintain stable voltage under heavy electrical loads—whether from e-fans, fuel systems, or other accessories. This pulley kit optimizes charging performance at lower RPMs while keeping safe limits at wide-open throttle. Affordable, straightforward upgrade that delivers reliable electrical system support.\u003c\/p\u003e","brand":"GAPerformance","offers":[{"title":"Default Title","offer_id":57319485046950,"sku":null,"price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/6849\/8086\/files\/54mm-8-Rib-Serpentine-Steel-Pulley-24-83258-Mechman_11597__60796.webp?v=1788982056","url":"https:\/\/gaperformancellc.com\/products\/2-54mm-4g-alternator-pulley-shim-kit","provider":"GAPERFORMANCE LLC","version":"1.0","type":"link"}