Racing Exhaust O-Ring Kit (2-Pack) Compatibility This high-temperature-resistant exhaust O-ring kit fits a wide range of KTM, Husqvarna, Gas Gas, Sherco, and Beta off-road models, including SX, EXC, XC-W, TE, EC, SE, SE-R, RR models from 125cc to 380cc, covering years from 1997 to present. Dimensions Inner Diameter: 44 mm Thickness: 3 mm Material: Viton O-ring for excellent high-temperature resistance Compatible Models KTM: SX/EXC/XC/XC-W 125/150/200/250/300/380 from 1999 to today Husqvarna: TE 125/250/300 (2011-2013) and from 2014 to today Gas Gas: EC 125/200/250/300 from 1997 to today Sherco: SE/SE-R 250/300 from 2014 to today Beta: RR 250/300 and Xtrainer 300 from 2013 to today Key Features standards Direct OEM replacement Offers excellent value for money High-quality replacement part from FIR (Factory Image Racing), guaranteed to satisfy Please verify dimensions and image before ordering to ensure proper fit Cross Reference Numbers 0770440030 (Replaces KTM Part Number for O-ring Exhaust Pipe 44.00 x 3.00 Viton) 05-14 FMF 014803 PAIR/2 34-029.FIR 250526006 (Gas Gas Part Number for Exhaust Pipe Gasket) 4219 (Sherco Part Number for Escape Sealing 44 x 3) C02060510 (Beta Part Number for Anello OR) Assemblies Using 0770440030 These O-rings are compatible with exhaust and cylinder assemblies across numerous KTM models from 1999 to 2022, including SX, EXC, XC, XC-W, and special Six Days versions in various displacements.