72-85 XL1000 +.010" PISTON RINGS (PR)

Includes top compression rings, second compression rings, and oil control rings Top Compression Ring is Torsional Increases gas side sealing and better oil control May have barrel or straight face Second Compression Ring is Torsional This twist ring creates an OD bottom side scraping edge that helps wipe oil off the cylinder wall and into the crankcase Sharp edge contact helps speed break-in Oil Control Rings are Three Piece Flex Vent Three-piece design allows rails to be manufactured with a small cross sectional area for better conformability to bore Provides uniform pressure through four steel rails and two expanders assuring positive oil control Made in the USA Includes enough rings for two pistons. Two rings per groove, except for the rails that will be two rail rings per one expander ring.