Wiseco 2658LT Semi Keystone L Ring for Ski-Doo 440 Engine Type - 67.50mm feed-mpn-WPK0057 1976-77 Yamaha STX STX340 A

1976-77 Yamaha STX STX340 A

1986-88 Kawasaki JS 300

2019 Polaris Ranger 500 Mid-Size

Also Fits:

1990 Arctic Cat Wildcat 650 Mtn

Wiseco 2658LT Semi Keystone L Ring for Ski-Doo 440 Engine Type - 67.50mm feed-mpn-WPK0057 1976-77 Yamaha STX STX340 AWiseco Performance Piston Rings Performance Piston Rings Titanium Nitride coated for increased durability. These rings resist wear from the exhaust bridge and are designed for extreme racing conditions. These rings maintain their size and geometry for exceptional ring seal providing sustained peak performance in race applications. Compatible with Wiseco branded pistons ONLY!!!! Manufacturer in the USA Note: Ring Sets come "Per Piston" and may be only