ApplicationCompatible for GM compatible for Opel Compatible for Vauxhall Corsa 1.6 1.8 C16XE Tigra X16XESpecification- TÜV Certification Con Rods- Type: Forged 4340 aircraft chrome moly quality steel for racing- H-beam Conrods Quantity: 4 Pieces as showing in picture- Bolts: Including ARP 2000 bolts- Note: Extra cost for upgrading to ARP L19 bolts - Bolts Size: ARP 2000 5/16\" 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: 7000-9000rpm - Warranty: 2 years warranty for any manufacturing defectDimensionsCenter to center length: 129.75mm/5.108\"Big end diameter: 46mm/1.811\"Small end diameter: 18mm/0.709\"Big end width: 21.8mm/0.858\"Small end width: 17.9mm/0.705\"Feature- 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.