General description Please carefully check the size of the rods in the specific and description specifications. These connecting rods are designed for BMW 7 Series E38 models from 1994 to 2001, specifically for the 728i and 728i iL variants. They are made from high-quality Titanizing 4340 EN24 aircraft chrome moly steel, suitable for racing applications, and can handle power outputs between 600hp and 800hp per set. Each set includes 6 pieces and comes with genuine 3/8" ARP 2000 bolts, with an option to upgrade to ARP L19 bolts at an extra cost. Technical specifications Material: Titanizing 4340 EN24 aircraft chrome moly steel Weight tolerance: Balanced to +/- 1 gram per set Power capacity: 600hp ~ 800hp per set Quantity: 6 pieces per set Bolts: Includes genuine 3/8" ARP 2000 bolts Center to center length: 135mm Big end diameter: 48mm Small end diameter: 22mm Big end width: 22mm Small end width: 22mm Compatibility and accessories Compatible with BMW 3 Series E36 (1990-2000) 325i, 328i