Description PISTON RING DEUTZ BF4M1012 AND BF6M1012 ENGINES. SET FOR ONE PISTON. DIMENSIONS: BORE (MM): 94,000. HEIGHT (MM): 3,00 – 2,00 – 3,00. ENGINE SPECIFICATIONS: NATURALLY, OIL COOLED, STROKE: 112MM., 4,6 CYL., CYL.BORE 94MM., ORIGINAL EQUIPMENT QUALITY MADE IN GERMANY BY NPR EUROPE. NPR OF EUROPE IS THE OE MANUFACTURER OF PISTON RING SETS FOR ALL MERCEDES BENZ DIESEL AND GASOLINE ENGINES. YOU WILL NEVER FIND THIS TOP QUALITY PRODUCT AT THIS LOW PRICE!