ApplicationCompatible for Lotus twin cam 1600 / Compatible for Lotus TC / Compatible for Ford X-flow Narrow Journal 4.826Specification- Performance Con Rods- Type: Forged 4340 aircraft chrome moly quality steel for racing- H-beam Conrods Quantity: 4 Pieces a set- Bolts: Including ARP 2000 bolts- Note: Extra cost for upgrading to ARP L19 bolts- Bolts Size: 3/8\" - Tolerance: Balanced to +/- 1 gram in set - Piston Bolt Hole: +-4/1000mm - Power: 600~800HP- Strength of the fastening (PSI):200,000 - 230,000 psi Torque: 48ft ≈ 65 NM - Top acceleration: 7000-9000rpm - Warranty: one year warranty for any manufacturing defectDimensionsCenter to center length: 122.58mmBig end diameter: 52.91mmSmall end diameter: 20.62mmBig end width: 23.7mmSmall end width: 24.15mmFeature- 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.