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Category : Allison 1000-2400 Series  Next

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ALLISON SK
ALLISON SK  

Fits 2001-2004 5 Speed Allison 1000-2400 series.
Duramax Diesel Chevrolet, GMC Diesel/Gas Trucks Heavy Duty, Street, Show & Competition

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 weak link in the early 5 Speed Allison

Addresses 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; smart clutch control valves for increased durability; SHORT-CRISP-SMOOTH-upshifts and kickdowns.

Handles 500 Street Horsepower.

Installation recommendation: Experienced technician
Transmission removal necessary: Yes

For later 6 Speed Allison use the "SK Allison JR"

Common Distributor Part Numbers:
TranstarT121165
WIT Whatever it TakesT116169A
NatproALLISON SK
PDQTG-ALLISON SK
PTW Portland Transmission WarehouseALLISON SK
Dacco, MST, D&E, and Dean K37908
OTS Oklahoma Transmission SupplyK37908
A & Red'sK19475
SlausonsAL15170AN
Summit Racing/Atech MotorsportsTRG-ALLISON-SK
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