Sonnax offers a repair sleeve AL-DS-2 for worn Allison 1000/2000/2400, 2006-Up piston bores. This repair sleeve allows you to salvage the piston/damper assembly which is not currently available to the aftermarket.
No disassembly of piston damper required
Heat treated for longer life
Machining and welding required
Existing Customers: Contact your sales representative.