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Fits 2004-2010 Allison 1000-2000 Pump assembly
Includes A1-LU-BST-04 Hot Rod Allison Lock Up Valve assembly
A1-LU-BST-04 Hot Rod Allison Lock Up Valve addresses Torque Converter slip under Heavy Duty/Race conditions. Significantly increases Lock Up oil pressure. We recommend this part for Race use only!
Installation recommendation: Experienced technician
Transmission removal necessary: Yes
| Common Part Numbers: | |
| Transtar | T121507AK |
| WIT Whatever it Takes | A1-LU-BST-04 |
| OTS Oklahoma Transmission Supply | A1-LU-BST-04 |
| A & Red's | A1-LU-BST-04 |
| Natpro | A1-LU-BST-04 |
| Slausons | A1-LU-BST-04 |
| Dacco, MST, D&E, and Dean | A1-LU-BST-04 |
| PTW Portland Transmission Warehouse | A1-LU-BST-04 |
| Summit Racing/Atech Motorsports | TRG-A1-LU-BST-04 |