ApplicationCompatible for Fiat 500 old model 2 Cylinder 120mm Specification- Performance Con Rods- Type: Forged 4340 aircraft chrome moly quality steel- H-beam Conrods Quantity: 2 Pieces as showing in picture- Bolts:Including Genuine ARP 2000 5/16\" bolts  (Note: Extra cost for upgrading to ARP L19 bolts)- Tolerance: Balanced to +/- 1 gram in set - Piston Bolt Hole: +-4/1000mm - Power: 600hp ~ 800hp per set - Strength of the fastening (PSI): 200,000/230,000 PSI Torque: 48ft ≈ 65 NM - The connecting rods all include ARP 2000 bolts, which are rated at 220,000 psi, and the optional ARP L19 material at 260,000 psi is available as an upgraded product.- Top acceleration: 9000rpm - Warranty: one year warranty for any manufacturing defectDimensionsCenter to center length: 120mmBig end diameter: 47.13mmSmall end diameter: 20mmBig end width: 24.7mmSmall end width: 18.5mmFeature- 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 pinNote- Professional 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.