This is the Transmission Shim Kit for the Associated Nitro TC3.
FEATURES: Silver and black aluminum construction.
INCLUDES: Six large shims.
Eight small shims
REQUIRES: Assembly on vehicle.
SPECS: Outside diameter of small shims: 7.0mm (.278")
Inside diameter of small shims: 5.0mm (.198")
Outside diameter of large shims: 12.5mm (.495")
Inside diameter of small shims: 9.8mm (.387")
COMMENTS: These shims could be described as thin aluminum washers or gaskets.