1963-82 C2 C3 Rear Wheel Bearing SHIM 0.139", 3.50 mm GM 3820226 New

there are 9 standard GM shims

GM ORIGINAL or AFTERMARKET may be supplied

imperial inch measurements  are the GM nominal , actual may vary by up to 0.003"

metric measurement are actual with a good digital calliper, not conversions of the GM nominal.   

FITMENT: C2 Corvette 1963-1967,C3 Corvette 1968-1982