ApplicationCompatible for VW Golf Gti 1.8T 225 2.0 16V 20VCompatible for Audi A3 A4 A6 S4 TT 1.8 TurboCompatible for Audi S3 A3 A4 A6 TT 1.8TCompatible for VW Passat for Golf Gti 1.8T 225 2.0 16V 20VSpecification- H-beam Conrods Quantity: 4 Pieces as showing in picture.- Bolts: Including Genuine 5/16\" ARP 2000 bolts.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.- The big end bores are honed to a +/-.0004 in tolerance.- The small end has a taper, please check the size carefully.The tapered beam allows for some weight saving on the reciprocation end and gives increased clearance for fully boxed pistons.- Advertised Horsepower Rating: 200HP/piece.- Warranty: 1 years warranty for any manufacturing defect.DimensionsCenter to center length: 144mm/5.67\"Big end diameter: 50.6mm/1.992\"Small end diameter: 19mm /0.748\"( tapered small end)Big end width: 19.9mm /0.784\"Small end width: 19.9mm/0.784\"Thickness of big end :24.9mmFeature- Performance Con Rods.- Material: Forged SAE 4340 Chrome Moly Steel for the highest strength and durability, dedicated for Racing.- Genuine ARP 2000 bolts ,Optional ARP L9 fasteners available as an upgrade.- H-Beam design reduces weight without compromising strength.- Heat-treating & Shot-peened for remained consistent and strong. Shot-peened finish to remove potential for stress risers.- 100% CNC machined,Precision rod cap alignment dowels.- Bores finished to +/- .01 mm.- Balanced to within +/- 1 g per rod.- Each rod is magnetic particle tested to ensure free of flaws.- 100% X-rayed, sonic tested.Note- Professional installation is highly recommended (No Instruction Included)-For any needs please contact us-Please note that Big end width: 19.9mm