EURO 125 150 & select 200s Kit configured to re-seal stock or aftermarket pipe with proper new swivel hook pipe springs, "O" Rings, and Hi-temp silencer to pipe coupler. If unsure, please check coupler image #2 for measurements and OEM part number for reference. Replaces factory equipment with exact fit quality parts. Kit comes complete with what you see. Designed to fit KTM 125cc 150cc '00 to current, *Select KTMs 200cc '00-'10, Husqvarna TC TE 125 '14+, & TE150 '14+, and GASGAS MC125 '21+ Complete set, nothing else needed to seal up your two stroke exhaust pipe. Product Description: Expansion Chamber Seal kit for 2-Stroke 125, 150, & some 200cc KTM Dirtbikes, GasGas MC, & Husqvarna TC TE Motorcycles. Kit replaces old factory parts with fresh springs, o-ring seals, and pipe to silencer coupler.