SunCoast Allison 1000 torque converters come in many varieties, from heavy hauling, sled pulling, drag racing, to daily driving. SunCoast designs and manufactures their torque converters in-house.

SunCoast Allison 1000 torque converters come in many varieties, from heavy hauling, sled pulling, drag racing, to daily driving. SunCoast designs and manufactures their torque converters in-house.

The Sun Coast GM-1055-3D Triple Disc Torque Converter for your 2001-2010 GM 6.6L Duramax is a triple disc torque converter with a 2500 stall. Ideal for high horsepower and big turbos.

SunCoast Allison series rebuild kits cover all years from 2001-2015 (kit part number depen-dent upon year).  

SunCoast Allison series rebuild kits cover all years from 2001-2015 (kit part number depen-dent upon year).  

The Sun Coast GM-1056-3D Triple Disc Torque Converter for your 2001-2010 GM 6.6L Duramax is the perfect option for most daily driven trucks.  

The ATS 6019244368 Co-Pilot Transmission Controller makes it possible to transfer increased power levels to the rear wheels in your 2011-2016 GM 6.6L Duramax without causing the dreaded transmission slip and "limp mode" condition that plagues the Allison transmission.

SunCoast Allison series rebuild kits cover all years from 2001-2015 (kit part number depen-dent upon year).  

SunCoast Allison series rebuild kits cover all years from 2001-2015 (kit part number depen-dent upon year).  

SunCoast Allison series rebuild kits cover all years from 2001-2015 (kit part number depen-dent upon year).  

SunCoast Allison series rebuild kits cover all years from 2001-2015 (kit part number depen-dent upon year).  

TCS Duramax Allison Input Shaft
Built to withstand everything thrown at it. Made from a select grade of super strength steel.

Take control of the Allison in your 2011-2015.5 GM 6.6L Duramax LML with the BD-Power 1031312 Allison Lock-Up & Pressure Controller.

GDP GM 2015-2016 TCM TUNING

GDP LML 2011-2015 ASO TCM TUNING

The Mag-Hytec pan is constructed of high quality aircraft aluminum and has a powder-coated finish. The bolts are zinc plated allen head screws and the washers are stainless steel. These components require no maintenance.

The BD-Power 1031315 Allison Pressure Controller increases holding power in the Allison Transmission in your 2011-2016 GM 6.6L Duramax LML.

The Fleece FPE-ALILKR AlliLocker Torque Converter Lockup Controller for your 2001-2015 GM Duramax allows complete control of your torque converter from the palm of your hand.