Gasket Set for Arctic Cat Jag Deluxe/FC/2 (1997-2000)

Material Construction Multi-layer high-temp fiber composite, nitrile rubber, and cork-rubber blend for long-lasting seal integrity Compatible Engine Configuration Fan-cooled 2-stroke parallel twin cylinder, 431cc (440 class) displacement Stock Bore Fitment Fits factory 65mm cylinder bore dimensions with no modification required for installation OEM Cross-Reference Number Direct drop-in replacement for Arctic Cat factory gasket set part number 0637-139 Operating Temperature Tolerance Rated for -40°F to 350°F continuous use to withstand extreme cold riding and engine operating heat Included Gasket & Seal Count 24 individual precision-cut gaskets and seals for complete engine tear-down and rebuild service Fluid Compatibility Resistant to degradation from 2-stroke pre-mix oil, standard pump gasoline, and ethanol-blended fuels up to E10 Compression Seal Rating Maintains leak-free seal at factory cylinder compression levels up to 150 PSI, suitable for stock and mild performance builds Installation Requirement Dry-install design; no additional liquid gasket sealant required for machined mating surfaces per factory service guidelines Warranty Coverage 1-year manufacturer warranty against defects in materials and workmanship for recreational, non-competition use Gasket Thickness Manufactured to OEM specified thickness tolerances within ±0.002 inches to maintain correct engine compression and squish clearance Seal Lip Design Dual-lip crankshaft seals with spring tensioners to prevent vacuum leaks and oil loss during extended operation