A SET OF 4 NEW PISTONS AND RINGS FOR THE MG MIDGET  1500 [ 1493cc]  STANDARD UK / EUROPE HIGH COMPRESSION ENGINE . AVAILABLE IN STANDARD AND 020 030 040 060 OVERSIZES. PLEASE USE THE DROP DOWN MENU TO SELECT THE SIZE YOU REQUIRE . THESE PISTONS ALSO FIT THE DOLOMITE 1500 & SPITFIRE 1500 ENGINES . THEY ARE THE ORIGINAL 3 RING TYPE  FOR THE STANDARD BORE ENGINE [ STD IS 2.9016 " ] ORIGINAL PART NUMBER 155169 COUNTY / AFTERMARKET NUMBER CP309K