General description These 6pcs Racing EN24 4340 Connecting Rods are designed specifically for BMW E36 and E46 models, including 328i and 325i with the M52B28 engine. Made from forged SAE 4340 Chrome Moly Steel, these rods offer exceptional strength and durability, making them ideal for racing applications. Technical specifications Material: Forged SAE 4340 Chrome Moly Steel Center to center length: 135mm / 5.315" Big end diameter: 48mm / 1.89" Small end diameter: 22mm / 0.866" Big end width: 21.9mm / 0.862" Small end width: 21.9mm / 0.862" ARP 2000 bolts rated at 220,000 psi (optional ARP L19 fasteners rated at 260,000 psi available) Big end bores honed to a +/- .0004 in tolerance Balanced to within +/- 1 g per rod 100% CNC machined with precision rod cap alignment dowels Each rod is magnetic particle tested and 100% X-rayed, sonic tested Compatibility and accessories Compatible with BMW 3 Series E36 (1990-2000) 325i, 328i Compatible with BMW 3 Series E46 (1998-2007) 325i, 328i, 330i,