{"product_id":"suncoast-28999-01k-boost-valve-kit-largest-oe-ratio-489-dia","title":"Suncoast Boost Valve Kit - Largest OE Ratio (.489\" Dia)","description":"\u003cp\u003e \u003c\/p\u003e\n\n\u003ch2 class=\"light\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eLargest OE ratio (.489\" dia) valve\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eThe OE boost sleeve in GM Powerglides wears from repeated oscillation of the boost valve. The wear allows leakage, reduces line pressure and contributes to line pressure instability. Additionally, the original steel parts are also prone to rust damage in vintage valve bodies.\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003eSonnax boost valve kit 28999-01K is the largest factory size (.489\" dia. at the small spool), and has a lengthened critical spool diameter to provide better hydraulic sealing capabilities.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eLarge boost ratio\u003c\/li\u003e\n\n\u003cli\u003eLengthened critical spools provide better hydraulic seal\u003c\/li\u003e\n\n\u003cli\u003eDrop-in Zip Valve™ parts install quickly and easily\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003clabel for=\"components-panel\"\u003eContents:\u003c\/label\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"accordion-content\"\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eValve\u003c\/li\u003e\n\n\u003cli\u003eSleeve\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Suncoast Performance","offers":[{"title":"Default Title","offer_id":48219396079857,"sku":"28999-01K","price":58.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/1344\/3057\/files\/Boost-Valve-Kit-Largest-OE-Ratio-_.489_-Dia_-Suncoast-Performance-151100693.jpg?v=1779829336","url":"https:\/\/tamelessperformance.com\/products\/suncoast-28999-01k-boost-valve-kit-largest-oe-ratio-489-dia","provider":"TAMELESS PERFORMANCE","version":"1.0","type":"link"}