Part# C3HPK-XX

Allison/GM/Duramax (All Model Years)

C3 Exxtreme High Performance, Non-slotted Military Grade Clutch Pack by Xcalliber.

600-2000HP

What we believe to be the most Exxtreme Performance C3 clutch pack for your Allison 1000 Transmission on the market, designed & manufactured by Xcalliber.  Originally used in U.S. tanks, this state-of-the-art military grade friction material far exceeds all other materials to withstand high stress, high temperatures and repeated cycling. These non-slotted plates deliver outstanding performance benefits and are perfect for heavy-duty vehicles and high-stress driving. Recommended for any vehicle putting down 600+ HP. Their performance improves as the power increases. This unique design allows for 6 Exxtreme Frictions in all model years, combined with Kolene Steels and late style LML/L5P C3 Piston & C3 Return spring for increased torque capacity. Also includes a steel P1 ring gear spacer and pre-machined C3 Backplate. 

Advantages:

• Greater torque capacity
• Maintains piston travel
• Optimum performance
• Higher heat resistance
• Smooth engagements
• Enhanced shift feel
• Fits all model years
• Military Grade friction material
• 6 Frictions per pack 
• Non-slotted design

Will work in: GMC, Chevy Silverado 1000, 2500HD, 3500HD with 6.6L Duramax Diesel
Model Years: 2001 - Present

Parts Included in Kit:

• 6 Exxtreme Xcalliber C3 Friction Plates (Non-slotted)
• 7 Kolene C3 Reaction Plates (Non-slotted)
• 1 Late C3 Molded Piston 
• 1 Pre-machined C3 Backplate
• 1 Steel P1 ring gear spacer
• 1 Late C3 Return Spring.

(FREE SHIPPING in continental US only)   

The following suffixes correspond to the types of parts on all Xcalliber documents: DF = Defeo New Part, A = Allison New Part, R = Refurbished Part/Transmission, U = Good Used Part, S = Surplus Allison Part/Transmission, GM = General Motors New Part, X = New Aftermarket Performance Part

Every configuration and application is unique. HP ratings and usage recommendations are suggestions based on customer feedback. These are strictly used for reference only, and will not have any impact on warranty coverage.

We only deal with Allison transmissions. We are all Allison all the time! Please understand that we are the actual manufacturer, or work directly with the manufacturer, of many of the parts we sell. Therefore, it is difficult for other retailers to compete with our product knowledge, quality, and pricing. Xcalliber performance transmission parts are proudly made in the U.S.A. We have a full staff of in-house engineers who have been producing parts that form, fit, and function in Allison transmissions since 1984. Parts are CNC machined and undergo a comprehensive inspection process. All parts are checked for dimensional accuracy, hardness, and surface finish, then laser engraved for tracking purposes.

Xcalliber is an independent manufacturer and supplier of replacement parts for Allison brand transmissions. XCALLIBER is not affiliated with, or sponsored by Allison Transmission, Inc. and is NOT an authorized Allison dealer or OEM manufacturer for Allison Transmission, Inc. XCALLIBER also offers a full line of refurbished Allison brand transmissions, performance parts and performance upgraded Allison transmissions, and is NOT in any way affiliated with, sponsored by, or otherwise endorsed by Allison Transmission, Inc. XCALLIBER has a vast product line consisting of NEW aftermarket made parts, refurbished Allison transmission parts, surplus Allison transmission parts, good used parts, and refurbished Allison transmissions. Part numbers are strictly used for identification purposes only, and in no way indicates a part is an OEM part unless specifically identified as such.