Wiseco Replacement Ring Set 1909CD is a precision piston ring set designed to restore compression and performance during a top-end service. Each set is sized for a 48.50 mm bore and is intended for one piston. Built to fit Wiseco pistons only for correct compatibility.
Restore engine sealing and bring your top end back to life with the Wiseco Replacement Ring Set 1909CD. Fresh piston rings are one of the most effective ways to regain compression, improve throttle response, and reduce blow-by when your engine starts to feel tired. This ring set is made for a 48.50 mm bore application and is supplied as a complete set for one piston, making it a straightforward choice for scheduled maintenance or rebuilds.
Because correct fit is critical for durability and performance, these rings are designed to fit Wiseco pistons only. If you’re refreshing a Wiseco piston during a top-end service, this set helps ensure proper sealing and consistent running characteristics.