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Multi layer steel (MLS) gasket
Whether you're rebuilding a worn engine or refreshing your youth ATV for trail riding or racing
Cometic Complete Top End 100mm 101mm OEM Stock Bore Gasket Kit & Kibblewhite Red Viton Valve Stem Seals
660 models and years
Ready to seal the deal
97-04 Yamaha YZ125 YZ 125 58mm 144cc Athena Big Bore Cylinder Top End Piston Kit Sportsman 850 Multi layer steel (MLS) gasketAthena 58mm 144cc Big Bore Cylinder Top End Kit! This is the best and most reliable big bore kit on the market & NO ONE SELLS IT FOR LESS! Fits Yamaha YZ125 2 Stroke Dirt Bikes Years 1997 1998 1999 2000 2001 2002 2003 2004 This kit includes: 58mm 144cc Nikasil Athena Big Bore Cylinder Athena 58mm Coated Piston Kit (Includes, Piston, Pin, Rings & Clips) Athena Complete Top End Gasket Set Athena Head Athena Head Stud Kit Athena Power Valves All parts
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