S&S Cycle Cam Plate & Oil Pump Kits — Harley-Davidson

S&S Cycle cam plate and oil pump kit delivers 20% more flow on the supply side and 52% more on scavenge to support high-rpm and high-performance Harley engines. Billet aluminum construction with adjustable pressure relief and independent scavenge circuits for the flywheel cavity and cam chest.

Features

• Adjustable pressure relief valve (adjustable in-engine)
• Independent scavenge sections for flywheel cavity and cam chest
• Magnet in cam chest reduces debris entering pump
• Increased flow capacity on feed and scavenge sides
• Removable passage plugs for servicing
• Debris screens in both scavenge pickups
• Precision machined from billet aluminum
• Blue anodized finish
• Made in USA

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 310-0998C
• Category: Engine Components / Oil Pumps
• Weight: 5.7 lb
• Construction: Billet aluminum

Fitment

Fits Harley-Davidson engines with flywheel cavity and cam chest oiling circuits.

Frequently Asked Questions

Can I adjust the pressure relief valve without removing the pump from the engine?

Yes — the adjustable pressure relief valve can be tuned while the pump is installed.

What flow improvements does this kit provide?

20% increase on the supply side and 52% increase on scavenge side compared to stock.

Do the passage plugs need to be removed for normal service?

No — they are removable for deep cleaning or inspection, but normal maintenance does not require removal.

Will this help prevent sludge and debris in my oil?

Yes — dual debris screens and a magnet in the cam chest work together to catch contaminants before they circulate.

Is this made in the USA?

Yes — S&S Cycle precision machines this kit from billet aluminum in the USA.