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The S&S Cycle Oil Pump with Cam Plate Part Number 310-0731 is a precision-engineered component designed for high-performance Harley-Davidson engines. Crafted from CNC-machined forged aluminum, it offers increased structural strength and excellent dimensional stability, ensuring reliable operation under demanding conditions. The pump features separate scavenge sections for the flywheel cavity and cam chest, allowing each area to be scavenged more efficiently without interference, which enhances lubrication and reduces wear. Gerotor rotors are designed to tolerate greater pinion shaft runout without damage, providing durability and longevity in high-stress environments. A magnetic trap in the cam chest pickup helps protect scavenge rotors from metal debris, safeguarding the oil system from common causes of stock oil pump failure. Passage plugs are removable for maintenance, offering ease of service, while bronze bushings in the pinion shaft and cam support plate provide smooth operation and wear resistance. The adjustable oil pressure regulator allows fine-tuning of oil flow without removing the plate from the engine, ensuring optimal lubrication tailored to your setup. Additionally, the 99-06 cam support plate is compatible with late-style hydraulic cam chain tensioners, addressing issues associated with stock spring-loaded tensioners at high RPM, especially with higher lift cams or performance valve springs. Made in the U.S.A., this oil pump assembly combines robust construction with advanced features to meet the demands of high-performance Harley-Davidson engines, providing reliable lubrication, improved durability, and easier maintenance for enthusiasts and professional mechanics alike.
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