ApplicationCompatible for Ford X Flow compatible for Lotus twincam BDA Cosworth BDG narrow journalSpecification- Performance Con Rods- Type: Forged 4340 aircraft chrome moly quality steel- 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 3/8" 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: two years warranty for any manufacturing defectDimensionsCenter to center length: 132.84mmBig end diameter: 52.91mmSmall end diameter: 20.62mmBig end width: 23.67mmSmall end width: 24.13mmFeature- 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 s...