S&S Chain & Gear Drive Cam Chest Kit W/O Cams for Harley M8 17+

Upgrade your Milwaukee-Eight engine's performance and reliability with this comprehensive cam chest kit. Engineered to address critical oiling and valvetrain requirements, this kit provides a significant boost in oil flow and stability, making it an essential upgrade for high-performance 2017-2023 M8 models. Whether your build utilizes a chain drive or gear drive setup, this kit delivers the precision components needed for a professional-grade installation.

• Oil Pump and Cam Plate
• Precision machined from high-quality billet aluminum for maximum durability.
• Independent scavenge sections for the flywheel cavity and cam chest.
• Features debris screens in both scavenge pickups and a magnet in the cam chest side to prevent contaminants from entering the oil pump.
• Provides a 44% flow increase on the supply side and a 58% flow increase on the scavenge side.
• Pressure relief valve is fully adjustable even with the unit installed in the engine.
• Removable passage plugs allow for easy servicing.
• Pushrods
• Includes Quikee Pushrods for easy installation and adjustment.
• Supplied with premium pushrod tubes for a clean, finished look.
• Precision Tappets
• Hand assembled to exacting tolerances for superior reliability.
• Close tolerances ensure low leak down rates and fast pump-up.
• Significantly reduces valvetrain noise from startup to shutdown.
• Optimized for high-RPM performance.
• Tappet Cuffs
• Billet aluminum construction with a hard-anodized black coating.
• Stronger than stock materials to eliminate distortion in high-lift and high-RPM situations.
• Improves overall tappet stability.
• Kit Details
• Complete kit includes: cam plate, oil pump, tappets, tappet cuffs, and pushrods.
• Compatible with both Oil-Cooled and Twin-Cooled M8 engines.
• Note: Not for 121" VVT models.

2017-2023 Harley Ultra Limited, 2017-2023 Harley Ultra Limited Low, 2017-2023 Harley Road Glide Ultra, 2017-2023 Harley Tri Glide Ultra