S&S Cycle 940-0062 Piston Ring Set 4.250" Bore +.010" M8 Models 2-Pack

The S&S Cycle 940-0062 is a precision-engineered piston ring set designed specifically for 2017 and newer Harley-Davidson M8 models equipped with 4.250-inch bore cylinders. This replacement ring set features a +.010-inch oversize specification for rebuilding performance engines with cylinders that have been bored or honed oversize.

Key Features:

• Designed for 4.250-inch bore cylinders on M8 engines
• +.010-inch oversize specification for proper piston-to-cylinder clearance
• 2-pack configuration includes rings for two pistons
• Precision-manufactured in the USA for consistent quality
• Compatible with S&S big bore piston kits
• Requires 4.250-inch big bore cylinders (OEM cylinders cannot be bored to this size)

S&S Cycle replacement rings are engineered to exacting tolerances and are compatible with S&S pistons designed for 2017-2020 Touring models and 2018-2020 Softail models. This ring set is ideal for engine rebuilds, performance upgrades, or maintenance on modified M8 powerplants running the 4.250-inch bore configuration.

Note: This product is not CARB-legal and is not for sale in California. Intended for closed course competition use only.