FITS: 2001-2004 5 Speed Allison 1000-2400 SeriesDuramax Diesel Chevrolet, GMC Diesel/Gas Trucks Heavy Duty, Street, Show & Competition. For 6 Speed Allison use SK Allison JR.Includes our exclusive Smart Trim/Clutch Control valve assemblies and items to modify the C2 clutch piston for increased capacity and more durability. The C2 clutch is the weakest part of the early 5 Speed AllisonIncludes all items shown FITS: Allison AT 1000 - 2400 Series5-Speed(2001-2004)Duramax DieselChevroletGMCDiesel/Gas Trucks Heavy DutyStreetShow & CompetitionCorrects:
- Goes to neutral under load
- 3-4 slip
- burned C2 or C3 clutches
- sticks in one gear
- won't move after extended parking
- loss of pump prime
- Includes smart clutch control valves for increased durability
- Will add SHORT-CRISP-SMOOTH-upshifts and kickdowns
- Handles 500 Street Horsepower.
A NAME YOU CAN TRUST
As an industry veteran in the transmission parts supply business, you can buy with confidence. Our goal is to provide high quality parts, an experienced sales force, and the highest levels of product availability possible.
Important InformationShippingReturnsCore PolicyImportant InformationShippingReturnsCore Policy
As a buyer, it is your responsibility to verify that this product is compatible with your application. For any general questions, technical support, or to verify part fitment please send us a message. Our support is free, and we typically respond within minutes.
Your order will be shipped within 1 business days (MON-FRI excluding holidays) of receiving payment and you should expect to receive it five to seven days via US Postal Service or UPS Ground Standard Shipping unless another shipping method is chosen. In addition to UPS Ground, we offer expedited services as well as local pick-up. Please contact us if a quote is needed and we will be happy to work with you.
Please Note: All packages valued at over $500 WILL require a signature upon delivery.
If your package arrives damaged, please do not open and contact us immediately.
If your package is returned by the carrier due to address errors, you will be responsible for the shipping Customers:
Please make sure you monitor your package. Any import duty/taxes must be paid by the buyer. If you do not pay in a timely fashion your package will be returned. You will not receive a refund for the returned items until they’re delivered. Shipping fees will not be reimbursed. Day return policy for unused, uninstalled items. Any product you return must be in the same condition you received it and in the original packaging.
If you’re having an issue with a used or remanufactured item and it’s been installed, we require the buyer to contact us immediately so we can provide trouble shooting information. Worst case scenario if that fails, exchange only.
Certain item such as used items, tools, and one time use items are not eligible for return. As a buyer, it is your responsibility to verify that this product is compatible with your you ordered the wrong item for your application YOU are responsible for the return shipping.
20% Restocking Fee May Apply
If you are purchasing an item in which a core charge is required, please be sure your contact information is current. If core charge is not paid within 1 week of purchase, your order will be cancelled.
Upon receiving your new part, there will be a prepaid shipping label included so you can return your core (old part) to us free of charge. Please make sure to use the label we send you.
You have 14 days to ship your core back to us from the time your new part was delivered. If you do not ship the core within 14 days, you WILL LOSE YOUR REFUNDABLE CORE CHARGE. Exceptions are possible, BUT YOU MUST contact us to make us aware of the situation.
ATTENTION INTERNATIONAL BUYERS: Due to the inflation of shipping costs, we are unable to pay for the return shipping on the core. If you want the core charge refunded, you will have to pay for shipping. We apologize for any inconvenience this may cause.
Once your core is delivered, please allow 3-5 business days for your refund to be processed.
Goes to neutral under load 3-4 slip burned C2 or C3 clutches sticks in one gear won't move after extended parkingloss of pump prime Includes smart clutch control valves for increased durability Will add SHORT-CRISP-SMOOTH-upshifts and kickdowns Handles 500 Street Horsepower. A NAME YOU CAN TRUST
As an industry veteran in the transmission parts supply business, you can buy with confidence. Our goal is to provide high quality parts, an experienced sales force, and the highest levels of product availability possible.
Important Information
As a buyer, it is your responsibility to verify that this product is compatible with your application. For any general questions, technical support, or to verify part fitment please send us a message. Our support is free, and we typically respond within minutes.
Shipping
Your order will be shipped within 1 business days (MON-FRI excluding holidays) of receiving payment and you should expect to receive it five to seven days via US Postal Service or UPS Ground Standard Shipping unless another shipping method is chosen. In addition to UPS Ground, we offer expedited services as well as local pick-up. Please contact us if a quote is needed and we will be happy to work with you.
Please Note: All packages valued at over $500 WILL require a signature upon delivery.
If your package arrives damaged, please do not open and contact us immediately.
If your package is returned by the carrier due to address errors, you will be responsible for the shipping Customers:
Please make sure you monitor your package. Any import duty/taxes must be paid by the buyer. If you do not pay in a timely fashion your package will be returned. You will not receive a refund for the returned items until they’re delivered. Shipping fees will not be reimbursed. Day return policy for unused, uninstalled items. Any product you return must be in the same condition you received it and in the original packaging.
If you’re having an issue with a used or remanufactured item and it’s been installed, we require the buyer to contact us immediately so we can provide trouble shooting information. Worst case scenario if that fails, exchange only.
Certain item such as used items, tools, and one time use items are not eligible for return. As a buyer, it is your responsibility to verify that this product is compatible with your you ordered the wrong item for your application YOU are responsible for the return shipping.
20% Restocking Fee May Apply
Core Policy
If you are purchasing an item in which a core charge is required, please be sure your contact information is current. If core charge is not paid within 1 week of purchase, your order will be cancelled.
Upon receiving your new part, there will be a prepaid shipping label included so you can return your core (old part) to us free of charge. Please make sure to use the label we send you.
You have 14 days to ship your core back to us from the time your new part was delivered. If you do not ship the core within 14 days, you WILL LOSE YOUR REFUNDABLE CORE CHARGE. Exceptions are possible, BUT YOU MUST contact us to make us aware of the situation.
ATTENTION INTERNATIONAL BUYERS: Due to the inflation of shipping costs, we are unable to pay for the return shipping on the core. If you want the core charge refunded, you will have to pay for shipping. We apologize for any inconvenience this may cause.
Once your core is delivered, please allow 3-5 business days for your refund to be processed.
Goes to neutral under load 3-4 slip burned C2 or C3 clutches sticks in one gear won't move after extended parkingloss of pump prime Includes smart clutch control valves for increased durability Will add SHORT-CRISP-SMOOTH-upshifts and kickdowns Handles 500 Street Horsepower. 
