Description
Stock oil pumps struggle to handle the demands of modified engines—they under-deliver volume on the supply side while failing to scavenge adequately on the return, leading to excessive crankcase pressure and oil aeration. The S&S CYCLE HVHP Oil Pump Kit solves this with significantly wider supply and return gears that maintain proper oil circulation under high RPM and boost conditions, protecting your engine’s internals and extending component life. This is a critical upgrade for any serious build where reliability matters as much as power.
- Supply gears: 9% wider
- Return gears: 28% wider
- Improved scavenging capacity
- Reduced crankcase pressure
- Billet construction throughout
- Universal fitment (Harley-Davidson applications)
- Bolt-on installation
- Complete gasket kit included
- Drive shaft keys/snap rings provided
- Check ball and springs included
- Pressure valve spring included
- All hose fittings supplied
- Made in the U.S.A.
- MPN: 31-6302
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