{"product_id":"2000-up-allison-1000-2000-exhaust-backfill-valve-kit-sonnax-37000-17k","title":"2000-Up Allison 1000 \/ 2000 Exhaust Backfill Valve Kit | Sonnax 37000-17K","description":"\u003ch1 class=\"light\"\u003e\u003cb\u003eExhaust Backfill Valve Kit\u003c\/b\u003e\u003c\/h1\u003e\n\u003ch1 class=\"light\"\u003e\u003csmall class=\"omega\"\u003ePart No. \u003cb id=\"analytics_pn\" data-part-name=\"37000-03\"\u003e37000-17K\u003c\/b\u003e\u003c\/small\u003e\u003c\/h1\u003e\n\u003ch3 class=\"light\"\u003eFits All, 2000-Up\u003c\/h3\u003e\n\u003cdiv class=\"toggle-content\"\u003e\n\u003cp\u003eTrucks equipped with Allison® 1000\/2000\/2400 transmissions can be subject to delayed, long or flare shifts. This can be caused by bore wear or minimal OE valve bore engagement at the exhaust backfill valve. If there is excess bore wear or lack of full valve-to-bore engagement, the exhaust backfill circuit can leak all residual pressure and result in the noted drivability complaints.\u003c\/p\u003e\n\u003cp\u003eSonnax exhaust backfill valve kit 37000-17K nearly doubles the amount of critical valve spool-to-bore engagement, both at the inboard and outboard areas of the bore, resulting in better sealing of the exhaust backfill circuit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLengthened critical spool operate in non-worn portion of bore for added stability and wear prevention\u003c\/li\u003e\n\u003cli\u003eAnnular grooves help center valve in bore to reduce future side-load wear\u003c\/li\u003e\n\u003cli\u003eHardcoat anodized aluminum valve combats premature wear\u003c\/li\u003e\n\u003cli\u003eDrop-in Zip Valve™ parts install quickly and easily\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003clabel for=\"components-panel\"\u003eContents\u003c\/label\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eValve\u003c\/li\u003e\n\u003cli\u003eSpring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":48189004972254,"sku":"S116741BK","price":34.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/5464\/5470\/files\/S116741BK_1.jpg?v=1777653419","url":"https:\/\/transmissioncenter.net\/products\/2000-up-allison-1000-2000-exhaust-backfill-valve-kit-sonnax-37000-17k","provider":"Transmission Center","version":"1.0","type":"link"}