Top End Gasket Kit for Arctic Cat El Tigre 5000/6000 (1978-1988)

Compatible Engine Displacement 500cc (El Tigre 5000 trims), 600cc (El Tigre 6000 trims) Core Gasket Material High-temperature aramid fiber composite with integrated nitrile rubber sealing beads Total Kit Components 14 precision-cut, application-specific gaskets and seals for full top end tear-down and rebuild service Cylinder Head Fastener Torque Compatibility Matched to OEM factory torque specification of 18–22 ft-lbs for cross-pattern head fastener installation Continuous Operating Temperature Range Rated for reliable use between -40°F and 500°F (-40°C to 260°C) to match vintage snowmobile operating conditions OEM Replacement Cross-Reference Direct fit replacement for Arctic Cat OEM part numbers 0636-003, 0636-118 Included Gasket & Seal Types Cylinder head gaskets, cylinder base gaskets, exhaust manifold gaskets, intake port gaskets, spark plug well o-ring seals Static Compression Seal Rating Engineered to seal static cylinder compression up to 200 PSI for stock naturally aspirated two-stroke configurations Fitment Compatibility Note Designed for stock bore cylinder setups only; not compatible with aftermarket big bore or port-modified cylinder kits Compressed Head Gasket Thickness 0.030 inch (0.76mm) when fully torqued to specification to preserve factory stock compression ratio Seal Durability Rating Resistant to fuel, two-stroke oil, and coolant degradation for liquid-cooled 6000 model variants Reusability Guideline Designed for single-use installation during top end rebuilds to maintain consistent sealing pressure