Exhaust Valve Gasket Kit for Arctic Cat XF 800/ZR 440/6000/8000 EFI (2012-2018)

Compatible Engine Displacements 439cc, 599cc, 794cc two-stroke EFI powertrains matching listed model years Operating Temperature Rating -40°F to 650°F (-40°C to 343°C) to withstand repeated exhaust system heat cycles Kit Included Components Sufficient gaskets and seals to complete full exhaust valve service on all listed models, including 2 exhaust valve base gaskets, 2 valve cover o-rings, and 4 mounting bolt seal washers per set OEM Cross-Reference Part Numbers Direct fit replacement for Arctic Cat OEM parts 3007-318, 3007-205, 0930-057, 3007-521 Core Gasket Construction Material Compressed aramid fiber blend with nitrile rubber binder for durable, leak-free sealing Nominal Compressed Gasket Thickness 0.8mm uniform thickness to maintain correct exhaust valve seating preload Recommended Installation Torque Specification 8-10 ft-lbs for mounting hardware, applied in a cross-pattern sequence to prevent seal distortion Gasket Surface Treatment Dual-sided anti-stick silicone coating to prevent adhesion to metal components during future disassembly Compression Set Resistance Rating Less than 10% permanent deformation after 1000 hours of continuous rated temperature exposure Fitment Coverage Note Compatible with both high-altitude and low-altitude EFI calibration variants of all listed 2012-2018 models Fluid Compatibility Resistant to degradation from two-stroke engine oil, exhaust gas condensate, and fuel residue Seal Validation Standard 100% factory pressure tested at 15 PSI to confirm zero exhaust leakage before packaging