{"product_id":"4l60e-4l65-70e-2-3-shift-valve-heavy-duty-sonnax-77754-41","title":"4L60E 4L65\/70E 2-3 Shift Valve Heavy Duty | Sonnax 77754-41","description":"\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch3 class=\"subhead\" style=\"text-align: left;\"\u003e4L60E 4L65E 4L70E Transmission Performance\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch2 class=\"light\" style=\"text-align: left;\"\u003e\n\u003cb\u003eHeavy Duty 2-3 Shift Valve Kit\u003c\/b\u003e\u003cbr\u003e\u003csmall class=\"omega\"\u003ePart No. \u003cb id=\"analytics_pn\" data-part-name=\"77805-K\"\u003e77754-41\u003c\/b\u003e\u003c\/small\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"part-accordion cb spaced-vertical\" style=\"text-align: left;\"\u003e\n\u003cdiv id=\"components\"\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cp\u003eWhen the GM 4L60-E family of transmissions evolved from the 700-R4, the overrun clutch is no longer applied in 1st and 2nd when accelerating from a stop in D3 shifter position. This change was made to improve coastdown drivability in D3 but had the side effect of reducing the torque capacity of the input section.\u003c\/p\u003e\n\u003cp\u003eFor greatly improved input sprag and Forward clutch durability, Sonnax drop-in, heavy duty 2-3 shift valve 77754-41 for 4L60-E, 4L65-E and 4L70-E units will apply the overrun clutch in D3 1st, 2nd and 3rd Gears.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproves input sprag and Forward clutch durability\u003c\/li\u003e\n\u003cli\u003eCritical upgrade for all heavy-duty and performance vehicles\u003c\/li\u003e\n\u003cli\u003eDrop-in Zip Valve™ parts install quickly and easily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":48245711143134,"sku":"S74741S-1A","price":39.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/5464\/5470\/files\/S74741S-1A_1.jpg?v=1778782631","url":"https:\/\/transmissioncenter.net\/products\/4l60e-4l65-70e-2-3-shift-valve-heavy-duty-sonnax-77754-41","provider":"Transmission Center","version":"1.0","type":"link"}