Performance Clutch Kit for Allison 1000 Transmissions - 600++ HP All GM/Duramax

• Part# CL1000-XX - Complete High Performance Clutch Pack with Xcalliber EXXtreme C3/C4 Clutches. The ultimate in performance clutch kits. Tow more and race harder with this C3/C4 setup and a pre-machined C3 backplate. C1, C2, C3 TorqKit, C4 (Raybestos GPZ Style) and C5 is high energy style. Fits all model years (Recommended for 600+ Horsepower applications)..
• This is truly the strongest and most complete high performance clutch pack on the market for your Allison 1000 Series Transmissions. This kit offers upgrades for C1 through C5, while competitors can only offer C1 through C4, with a standard C5 Pack. This kit offers high energy plates for C5 that were originally designed for applications..

This kit includes our grade, non-slotted high performance C3 & C4 clutch packs. The kit also includes C1 single sided Raybestos GPZ clutch replacement frictions and steels, perfect for your Allison 1000 Series automatic transmission overhaul. Xcalliber EXXtreme plates and GPZ friction plates greatly increase transmission performance and durability. Both of these state-of-the-art friction material far exceeds OE material to withstand high stress, high temperatures and repeated cycling. These plates have outstanding performance benefits and are perfect for heavy-duty vehicles and high-stress driving. Testing of these revolutionary friction material shows that it outperforms OE materials by as much as 40%. Plus, its performance improves as the power increases. Advantages: Even greater torque capacity with C3/C4 EXXtreme packs (7 Friction setup in both C3 & C4!) Late style C3/C4 Pistons and Return Springs C3/C4 non-slotted Frictions C3/C4 Kolene Steels Maintains piston travel Optimum performance Higher heat resistance Smooth engagements Enhanced shift feel Will work in: GMC, Chevy Silverado 1000, 2500HD, 3500HD with 6.6L Duramax Diesel This kit will work for all model years. Recommended for applications producing up to 600 – 2000 Horsepower (EXXtreme applications) Kit includes all of the following: Updated LML style C3/C4 molded pistons Updated LML style C3/C4 return spring assemblies GPZ – C1 Single Sided pack GPZ – C2 Pack Xcalliber EXXtreme – C3 Clutch Packs – Non-Slotted – 7 frictions per pack - Kolene Steels - Modified C3 Back Plate Xcalliber EXXtreme – C4 Clutch Packs – Non-Slotted – 7 frictions per pack - Kolene Steels High Energy – C5 Clutch Pack. Items for shipment to countries outside of the U.S. may be subject to taxes, customs duties and fees levied by the destination country ("Import Fees"). The recipient of the shipment is the importer of record in the destination country and is responsible for all Import Fees.