ApplicationCompatible for BMW 328i 528i E36 E46 M52B28Fitment Details:Compatible for BMW 3 Series E36 1990-2000 325i 328iCompatible for BMW 3 Series E46 1998-2007 325i 328i 330i 325 Ci 328 Ci 330 Ci 325 xi 328 xi 330 xiCompatible for BMW 5 Series E12 1972-1981 Saloon 528iCompatible for BMW 7 Series E38 1994-2001 Saloon 728i X 728i, iLCompatible for BMW Z3 E36 1997-2003 Coupe 2.8iCompatible for BMW Z3 Roadster E36 1995-2003 Convertible 2.8iSpecificationPerformance Con RodsType: Forged 4340 aircraft chrome moly quality steel for racingH-beam Conrods Quantity: 6 Pieces as showing in pictureBolts: Including Genuine ARP 2000 3/8\" bolts  (Note: Extra cost for upgrading to ARP L19 bolts)Tolerance: Balanced to +/- 1 gram in set Piston Bolt Hole: +-4/1000mm Power: 600hp ~ 800PS per set Strength of the fastening (PSI): 220,000/230,000 PSI Torque: 48ft ≈ 65 NM Top acceleration: 9000rpm warranty: one year warranty for any manufacturing defectDimensionsCenter to center length: 135mmBig end diameter: 48mmSmall end diameter: 22mmBig end width: 21.9mmSmall end width: 21.9mmFeature- Forged SAE 4340 Chrome Moly Steel for the highest strength and durability, dedicated for Racing- Designed and processed by CNC machine.- All big and small ends are finished with SUNNEN honing machine- Precision alignment sleeves positively locate the rod cap, maintaining big end bore size and eliminating cap walk- 100% X-rayed, sonic tested and magnafluxed- Multi-stage heat treated- Shot peened to relieve stress- Come with the bronzed bushing suitable for the floating piston pinNoteProfessional installation is highly recommended (No Instruction Included)Custom Service:If there\'s no conrods you need on our site, we would be happy to help determine your requirements and develop a solution with you to satisfy your needs.