{"product_id":"suncoast-76655-01k-4r70w-4r75w-high-capacity-forward-clutch-drum-kit","title":"Suncoast 4R70W\/4R75W High Capacity Forward Clutch Drum Kit","description":"\u003cdiv class=\"spaced-vertical\"\u003e\n\n\u003cp\u003eForward clutch durability is an issue in listed Ford performance applications. This problem often is addressed by eliminating the wave plate to fit more clutches, but plate removal creates harsh engagements and affects shift timing. Another common failure of stamped drums is cracking at the snap ring groove. The unique design of the Sonnax Smart-Tech high capacity forward clutch drum kit 76655-01K increases clutch capacity without abandoning the wave plate. The forged, one-piece drum prevents clutch drum breakage by eliminating weakness at critical stress points.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIncrease Clutch Capacity, No Modifications Required\u003c\/strong\u003e\u003cbr\u003eThe physically larger clutch pack area in the Sonnax drum kit \u003ca href=\"https:\/\/www.sonnax.com\/parts\/4373-smart-tech-high-capacity-forward-clutch-drum-kit\"\u003eincreases capacity by 20% \u003c\/a\u003ewhen using six OE-thickness frictions and steels. Using OE-thickness steels maximizes heat dissipation to prevent burnt clutches.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrevent Clutch Drum Breakage\u003c\/strong\u003e\u003cbr\u003eThe manufacturing process of the OE snap ring groove creates high-stress points around the circumference of the forward drum. The drum is active in 1st, 2nd and 3rd gear ranges and suffers the most abuse on a forced 4-3 kick down when it reapplies at higher pressure. The concurrent pressure from the forward clutch piston combined with the high stress at the snap ring groove causes the upper portion of the drum to split and separate at the groove. Depending on severity of the crack, this can result in no forward engagement or slipping in 1st, 2nd and 3rd gear. The one-piece, forged Sonnax drum kit is \u003ca href=\"https:\/\/www.sonnax.com\/parts\/4373-smart-tech-high-capacity-forward-clutch-drum-kit\"\u003emore durable than stamped drums \u003c\/a\u003eand features increased groove depth for additional ring support. These are the same features found in the Smart-Tech standard capacity drum \u003ca href=\"https:\/\/www.sonnax.com\/parts\/3503-smart-tech-forward-clutch-drum\"\u003e76654-01K\u003c\/a\u003e - \u003ca href=\"https:\/\/www.sonnax.com\/tech_resources\/546-stop-4r70w-drum-failure-with-the-smart-tech-forward-clutch-drum\"\u003ewatch this video\u003c\/a\u003e for details.\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eIncrease clutch capacity by 20% without removing the wave plate\u003c\/li\u003e\n\n\u003cli\u003eOne-piece, forged drum design prevents cracking\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Suncoast Performance","offers":[{"title":"Default Title","offer_id":48219419246833,"sku":"76655-01K","price":490.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/1344\/3057\/files\/4R70W-4R75W-High-Capacity-Forward-Clutch-Drum-Kit-Suncoast-Performance-151193240.jpg?v=1779830335","url":"https:\/\/tamelessperformance.com\/products\/suncoast-76655-01k-4r70w-4r75w-high-capacity-forward-clutch-drum-kit","provider":"TAMELESS PERFORMANCE","version":"1.0","type":"link"}