{"product_id":"heavy-duty-inch-a-inch-clutch-backing-plate","title":"Heavy Duty \"A\" Clutch Backing Plate","description":"\u003cdiv class=\"spaced-vertical\"\u003e\n\n\u003cp\u003eThe \"A\" clutch in ZF8HP55, ZF8HP70 and ZF8HP75 transmissions has a thin, stamped OE backing plate that allows flexing and bowing (coning) of the clutch pack. This wears the clutches unevenly, generating and concentrating extra heat which leads to clutch burnup. The result is slipping or no 1st\/2nd, 7th\/8th and Reverse Gears and ratio codes. Sonnax heavy duty “A” clutch backing plate 35577-70 is designed to prevent flexing when the clutch is applied, eliminating the leading cause of \"A\" clutch failure.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e2X thicker than weak, stamped OE backing plate for significantly improved protection against burnup\u003c\/li\u003e\n\u003cli\u003eEasy to install, no special tools or machining required\u003c\/li\u003e\n\u003cli\u003ePrevent comebacks by installing in units that have not yet failed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"part-accordion cb spaced-vertical\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003clabel for=\"specs-panel\"\u003eSpecs:\u003c\/label\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Billet Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"col-4\"\u003e\n\u003cp\u003e\u003cstrong\u003eSymptoms:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo Reverse\u003c\/li\u003e\n\u003cli\u003eReverse slip\u003c\/li\u003e\n\u003cli\u003e\"A\" Clutch burned\u003c\/li\u003e\n\u003cli\u003eGear ratio codes\u003c\/li\u003e\n\u003cli\u003eSlipping gears\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"col-4\"\u003e\n\u003cp\u003e\u003cstrong\u003eCause:\u003c\/strong\u003e\u003c\/p\u003e\nThe weak OE \"A\" clutch backing plate allows major flex that causes irregular clutch wear and burning.\u003c\/div\u003e\n\u003cdiv class=\"col-4\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"col-4 last\"\u003e\n\u003cp\u003e\u003cstrong\u003eCorrection:\u003c\/strong\u003e\u003c\/p\u003e\nEliminate the flexing that leads to comebacks by installing the thicker, stiffer Sonnax \"A\" clutch backing plate.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":49129552412891,"sku":"35577-70","price":69.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/4173\/0267\/files\/F198655059.jpg?v=1786546681","url":"https:\/\/suncoastperformance.com\/products\/heavy-duty-inch-a-inch-clutch-backing-plate","provider":"SunCoast Diesel","version":"1.0","type":"link"}