Triumph 5TA - T100 A-Tiger 100-TR5T 500 Unit Twins Piston ring set STD + .020" .040" .060" Oversize
Condition: N.O.S. OPN C.P.175 (70-6893 70-6894 etc.)
Fits 500 Unit motors 1960 - 1974
STD = 69 mm. + .020" = 69.5 mm + .040" = 70 mm + .060"= 70.5 mm
Made in Italy by GPM