suncoast
68-961-M3GA

Suncoast 68RFE M3GA Drum - 07.5-12 Dodge - 68-961-M3GA

Thoroughbred Sku #: SUN68-961-M3GA
Manufacturer Sku #: 68-961-M3GA

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$1,801.55

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Product Details

Product Name: Suncoast Rebuild Kit
Manufacturer: Suncoast
Manufacture Part #: 68-961-M3GA
Thoroughbred Diesel Part #: SUN68-961-M3GA
Fitment Notes: Suncoast 68RFE M3GA Drum - 07.5-12 Dodge - 68-961-M3GA

SunCoast designed larger drum includes: Billet outer drum, billet inter drum, pressure plates, clutches and steels.

The SunCoast complete rotating assembly offers you the ultimate in performance and durability for your 6.7L Cummins. Boasting 51% more surface apply area than a stock 68RFE drum, the oversized double sided SunCoast designed clutches are the key to success in getting these 68RFE's to hold. The oversized clutches are housed in our patented billet inner and outer "M3GA" drum setup, to utilize every square inch of available real estate inside of the transmission. The drum is highly modified with springs and orifices to correct the balance oil system in the overdrive circuit. Not only are the clutches larger but the piston area was increased to. The stock drum at 80 of line pressure has 1791 PSI applying the clutches. Our M3GA drum at 80# of line pressure has 2762 PSI so you can see the larger diameters really make a huge difference in holding force. With 200# of line this number goes from OEM 4479 PSI - 6906 PSI. We also had to design the pressure plates not only larger diameter for larger clutch area but also for the strength we used billet heat treated forgings to machine our pressure plates. All billet hard parts are designed and manufactured in house here at SunCoast as a result of endless hours of research and development we have the largest apply area and clutch design on the market.

All testing was done with H/S overdrive tuning that allows you to increase pressure commanded to 200-250 PSI. In order for the transmission to make the commanded 200-250 PSI mods are required to the PR valve and the valve body plate. You will find this add on option above the qty button. Most valve body's have 7 check balls and others my have only 5 check ball.

  • NOTE: Suncoast orders require the year, make, and model of your truck to be placed in the comments field upon checkout to ensure your order is processed as soon as possible.

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