Piston ring set early 1275gt & s std

RING SET FOR 1275 STD. 4-RING PISTON. RING THICKNESS .0625 and 0.1562″ oil rings.For later piston 19320 with 2 rings and an oil ring with the same ring sizes- keep the third ring as your second ring which should be of an oil scraper type, and usually the top 2 rings are the same so discard one of them, but check before fitting.RA26686 and BHM1166 were the original ring set numbers for the 3 ring type