Piston set Harley E836, 3-7/16" Bore

Pistons for Harley Flathead and JD modell with 3-7/16" Bore. Fits: Harley 1200cc JD 1921-29 ( with 20,1mm piston pin) Harley 1300cc VL ULH 1930-48 with 3 7/16 bore Below are the nominal BORE measurements for these piston sets: Please note that these measurements are referring to the nominal bore of the cylinder and NOT actual piston diameter. STD = 3.4375” (~87.31mm) +.010” = 3.4475” (~87.56mm) +.020” = 3.4575” (~87.82mm) +.030” = 3.4675” (~88.07mm) +.040” = 3.4775” (~88.33mm) +.050” = 3.4875” (~88.58mm) +.060” = 3.4975” (~88.83mm) +.070” = 3.5075” (~89.09mm) Location: Kolvar&Ringar