Valair Single Disc 1988 - 2002 12 & 24 Valve Cummins fitted with Getrag / NV4500 5 Speed Transmission 12.25" x 1.25" Performance Replacement Ceramic Buttons Shocks 2011-2016 Ford F250/F350 giving 76% more theoretical holding

giving 76% more theoretical holding power and help prevent burned up clutches - a great way to increase the longevity of the 6R140 transmission for towing

SEMI TRUCKS

5-2010 LMM

Not DOT Approved & Speed Demon Lights takes no responsibility for the misuse of this product

Improves aeration control

Valair Single Disc 1988 - 2002 12 & 24 Valve Cummins fitted with Getrag / NV4500 5 Speed Transmission 12.25" x 1.25" Performance Replacement Ceramic Buttons Shocks 2011-2016 Ford F250/F350 giving 76% more theoretical holdingAttention all 12 1 4" NV4500 and Getrag users. All 12v trucks will need the center bore machined out. All flywheels must be checked, we have seen some 24v trucks that have had the 12v flywheel. 1988 1993 12 Valve Cummins fitted with Getrag 5 Speed Transmission. We no longer offer replacement Getrag clutches. The 12 1 4" NV4500 clutch will fit your stock Getrag flywheel or you can upgrade to the 13" conversion kit found here. 5 speed 13" upgrade.