ApplicationCompatible for Yamaha YZF-R1 R1 98-03 ARP 2000 Pleuel BielleFeature-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 pinDimensionsCenter to center length: 110.5mmBig end diameter: 39mmSmall end diameter: XXBig end width: XXSmall end width: XXSpecificationPerformance Con RodsType: Forged 4340 aircraft chrome moly quality steel for racingH-beam Conrods Quantity: 4 Pieces a setBolts:Including ARP 2000 boltsNote: Extra cost for upgrading to ARP L19 bolts Bolts Size: Genuine ARP 2000 5/16\" boltsTolerance: 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: 7000rpm warranty: one year warranty for any manufacturing defectNoteProfessional 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. Learn more about CUSTOM SERVICE