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Suncoast logo GM Allison 1056 Torque Converter - Billet Cover, Triple Disk, 2001-2010
Allison 1053 Torque Converter - Great Sled Pulling Converter 2400 stall, 2001-2009
2001-2010 GM Durmax

$1,445.00
free shipping special with no handling fees
This is our journeyman converter that incorporates an OEM style stator and custom modified impeller to allow low end torque multiplication (gets the load moving) and high end efficiency (puts the power to the road). Combined with the Sun Coast triple clutch and billet cover it is a great converter for daily driving, towing and or racing.

Our 1057-3D converter established a benchmark for performance torque converters. Often referred to as theMcRat, it has set numerous records at the strip since it’s inception in 2005. Our #57 series incorporates a modified OEM stator and is coupled with the “Velocity Series” impeller. It allows good turbo spool-up with stock size turbos running mild tunes and also offers more efficient fluid coupling than our #56 converter. If you’re running the larger turbos and the wild tunes and need to spool, see our #55, #58 or #59 series converters.

With the addition of the 1055, 1058 and 1059 to our Allison torque converter line we can accommodate any request in regard to stall, torque multiplication, efficiency, or other custom application. The stall test and RPM drops were tested with Stage V transmission, stock turbo with a 350HP tune, stock size tires in our 3500 dually. The example stalls and RPM drops are strictly to help you decide which may be best for your truck. Big tires without gear swaps will raise your brake stall test numbers.

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.
GM Torque Converters
Year Price Core Order
Efficient Converter Race/Tow HP 1800 stall
Fits Duramax Years: 01-09
Part # GM-1057-3D
Our Part # SUNGM-1057-3DK
01-09 $1,445.00
free shipping special with no handling fees
$200.00
 
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