These modifications are in high demand, to keep turnaround times reasonable we are doing customers clutches from a waiting list, we are currently several weeks out.
Message us at 681-775-0803 to be put on the waiting list and we will be in touch when we are ready to receive your clutch.
 
20% Underdrive modification to your secondary , must be used with our Overdrive Primary and KWI Weights. 
If you already have our Overdrive Primary with KWI weights you are all set  however to ensure the new under drive modification works properly we need to get your Primary back to go through it to ensure it has all the latest revisions to work properly with the Underdrive Secondary, there is no charge for this other than return shipping, If you do not have the KWI Weights we can install the weights and rollers with titanium roller washers for $500 or the complete KR190X Kit which also includes new slider buttons for $650.
In addition the the modifications we inspect and service the secondary, if the seals or bushings are worn the cost to replace them is as follows.
Bushings (2) $28 ea.
Seals (2) $13 ea.
O-Rings (3) $4 ea.