The Mercury Racing 2.5 Liter Ring Set, Side Pin (Gold Rings) (Part Number 848200A12) is a high-performance solution for demanding marine applications, specifically designed for the 260HP EFI and 280HP ROS Mercury Racing 2.5L engines. Engineered for excellence, these piston rings deliver exceptional sealing, durability, and efficiency under extreme conditions.
This ring set is specifically designed for Nikasil-coated aluminum cylinder bores and is compatible with standard bore size of 3.500 to 3.504 inches. The side pin design enhances compression and reduces blow-by, ensuring maximum engine performance. The advanced gold coating provides superior wear resistance and minimizes friction, resulting in improved engine longevity and efficiency even in high-stress applications.
In addition to being a perfect fit for the 260HP EFI and 280HP ROS Mercury Racing 2.5L engines, this ring set is also compatible with Buckshot Racing #77 Super Sport Pistons, making it a versatile choice for high-performance outboard engines.
Designed to handle the intense stresses of high-revving marine engines, the gold-coated rings ensure reliable operation in both racing and recreational settings. By maintaining maximum compression and minimizing wear, these rings enhance horsepower, responsiveness, and contribute to the long-term health of your engine.
For optimal performance, installation by a certified marine technician is recommended to ensure precise alignment and fitment. Regular inspections and adherence to Mercury Racing’s maintenance guidelines will help maintain peak engine performance.
Whether you’re pushing your boat to top speeds in a race or enjoying high-performance cruising, the Mercury Racing 848200A12 Ring Set offers the reliability and precision needed to get the most out of your engine.
With compatibility for both OEM applications and Buckshot Racing #77 Super Sport Pistons, this ring set is the trusted choice for serious marine enthusiasts seeking top-tier performance and durability.
Incluce one (1) Gold Ring Set (two rings), 6 are required for a full rebuild. Contact Mike at 714-697-1716