applicationCompatible for MGB 4cyl MGB 1800 5 Main BearingCompatible for MG MGB roadster 1962–1980Compatible for MG MGB GT 1965–1980SpecificationPerformance Con RodsPiston Bolt Hole: +-4/1000mmPower: 600hp ~ 800hp per setStrength of the fastening (PSI): 200.000/230.000 PSITorque: 48ft ≈ 65 NMTop speed: 7000-9000rpmQuantity: 4 Pieces a set as showing in pictureBolts: Including Genuine ARP 2000 3/8\" bolts (Note Extra cost for upgrading to ARP L19 bolts)Type: 4340 EN24 H-Beam Connecting RodWeight Tolerance: Balanced to +/- 1 gram in setWarranty: one year warranty for any manufacturing defectDimensionsCenter to center length: 165.1mmBig end diameter: 51.338mmSmall end diameter: 20.62mmBig end width: 25.3mmSmall end width: 25.4mmFeature- 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 pinRacing History- Won the Grand Touring category compatible for victory in the 1965 compatible for Monte Carlo Rally.- Won the Guards 1000 miles race at Brands Hatch in 1965.- Won the 84-hour compatible for Marathon de la Route at the Nurburgring in 1966.- Won the GT Category in the 1966 Targa Florio, and also the 1966 & 1967 Spa 1000.Note- Professional installation is highly recommended (No Instruction Included)- For any needs please contact us