Replacement Ring Set

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.

Key features:

• ✅ Replacement piston ring set for top-end servicing
• ✅ One set per piston (order quantity matches number of pistons)
• ✅ Compatibility-focused design – Wiseco rings fit only Wiseco pistons

Benefits of use:

• 🔹 Restores compression for stronger, more consistent power delivery
• 🔹 Improves engine sealing to help reduce blow-by and maintain performance
• 🔹 Reliable fitment when used with the correct Wiseco piston application

Technical specifications:

• 📌 Brand: Wiseco
• 📌 Vendor part number: 1909CD
• 📌 Bore size: 48.50 mm
• 📌 Displacement reference: 82.9 cc
• 📌 Units: Set (for one piston)

Why choose this product?

• ⭐ Purpose-built replacement rings for maintaining Wiseco piston performance
• ⭐ Clear ordering logic: one set equals one piston
• ⭐ Great choice for routine top-end refreshes and rebuild planning