Please Carefully check the Size of the Rods in Specific and Description Specification TüV Certification Con Rods Power: 600hp ~ 800hp per set Quantity: 6 Pieces a set Bolts: Including Genuine 3/8" ARP 2000 bolts (Note: Extra cost for upgrading to ARP L19 bolts) Material: Titanizing 4340 EN24 aircraft chrome moly quality steel for racing Weight Tolerance: Balanced to +/- 1 gram in set Application For BMW 328i 528i E36 E46 M52B28 Fitment Details: For BMW 3 Series E36 1990-2000 325i 328i For BMW 3 Series E46 1998-2007 325i 328i 330i 325 Ci 328 Ci 330 Ci 325 xi 328 xi 330 xi For BMW 5 Series E12 1972-1981 Saloon 528i For BMW 7 Series E38 1994-2001 Saloon 728i X 728i, iL For BMW Z3 E36 1997-2003 Coupe 2.8i For BMW Z3 Roadster E36 1995-2003 Convertible 2.8i Dimensions Center to center length: 135mm Big end diameter: 48mm Small end diameter: 22mm Big end width: 22mm Small end width: 22mm Important note: For the buyer from Cyprus, Greece, Malta and Bulgaria, we will ship the connecting rods