CLASSIC MINI 1275 PISTON RING SET - +.020 OVERBORE SIZE - R41570
£55
+0.020 OVERBORE. 1275 A+ ENGINES. CLASSIC MINI PISTON RING SET. 3MM OIL RING WITH COMPRESSION RING SIZE. 0591" (1.5MM) AND ONE PIECE OIL RING. 1181" (3MM) ON P21253 PISTONS GIVING 9.7CR ON 1275CC STD RING SIZE.
