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2005 Chevrolet 6.6L Duramax LLY
SKU #: SC-GMAX-CAT1-LB7/LLY-KIT MPN #: GMAX-CAT1-LB7/LLY-KIT

SunCoast Allison Category 1 Transmission Rebuild Kit With Converter 01-05 GM 6.6L Duramax LB7/LLY

$4,509.75
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Description
Need a better-performing transmission for your GM truck? Why buy a new transmission when you can rebuild and improve the one you have? Allison 5-speed transmissions were fantastic in their time with smooth shifting and some tough internal components. However, if you use your truck for heavy-duty hauling it can take its toll on any transmission no matter how tough it is. Get your Allison transmission feeling as good as new with SunCoast's Allison Rebuild Kits. Made with advanced friction materials and exact performance specifications you can be sure your transmission is going to feel better than the first day you drove it.  Put some reliability, performance, and longevity back into your truck so you can tow, race, or just drive to work with fantastic peace of mind. EACH KIT INCLUDES: SunCoast custom clutch packs SunCoast custom Steels SunCoast custom billet plates SunCoast custom overhaul kit Valve body calibration kit SunCoast gasket kit Pan Filter Spin on filter Pan gasket SunCoast Filter Loc SunCoast Triple Disc Billet Category 1 Converter

Need a better-performing transmission for your GM truck? Why buy a new transmission when you can rebuild and improve the one you have? Allison 5-speed transmissions were fantastic in their time with smooth shifting and some tough internal components. However, if you use your truck for heavy-duty hauling it can take its toll on any transmission no matter how tough it is. Get your Allison transmission feeling as good as new with SunCoast's Allison Rebuild Kits. Made with advanced friction materials and exact performance specifications you can be sure your transmission is going to feel better than the first day you drove it.  Put some reliability, performance, and longevity back into your truck so you can tow, race, or just drive to work with fantastic peace of mind.

EACH KIT INCLUDES:

  • SunCoast custom clutch packs
  • SunCoast custom Steels
  • SunCoast custom billet plates
  • SunCoast custom overhaul kit
  • Valve body calibration kit
  • SunCoast gasket kit
  • Pan Filter
  • Spin on filter
  • Pan gasket
  • SunCoast Filter Loc
  • SunCoast Triple Disc Billet Category 1 Converter
No shipping to CA
About SunCoast Performance

Established in 1989 as a small-scale enterprise in picturesque Fort Walton Beach, FL, SunCoast Performance embarked on its journey with a mission to meet the rising demand for top-tier aftermarket torque converters, transmission assemblies, and components. Over the years, SunCoast has diligently identified, tested, and rectified numerous weak points within OEM transmissions and torque converters. Leveraging extensive real-world test data and cutting-edge design technology, SunCoast has emerged as a leader in quality craftsmanship, consistently surpassing competitors and exceeding customer expectations.

At the core of SunCoast's ethos lies an unwavering commitment to American-made excellence in design, manufacturing, technical support, and customer satisfaction. The company hosts bi-annual research laboratories, fostering knowledge exchange among customers and suppliers, and staying abreast of technological advancements shaping the automotive industry.

Today, SunCoast stands at the pinnacle of automotive performance, boasting a workforce of over 45 employees and occupying more than 75,000 square feet of climate-controlled facilities. In addition to manufacturing, SunCoast leases 20,000 square feet to their in-house metal supplier, National Aluminum & Alloy, ensuring complete control over the production process with access to a vast inventory of raw materials worth upwards of $2,000,000.

Video
Deferred Core Program Explanation

Ben explains the benefits of our deferred core program and how to return your core when necessary. Not sure what that is or need to send your core back? Give this video a watch for information and answers to many FAQ's.

If you’d like more information on our core return policy or need to start the core return process just give us a call at 1-888-993-4373.