Wiseco Yamaha WR400F Piston Ring Set 1998-2000 - 3701XRWiseco Yamaha WR400F Piston Ring Set 1998-2000 - 3701XR is a Wiseco replacement piston ring component for powersports engine service. Ring diameter and the exact Wiseco piston/MPN matter more than generic vehicle assumptions, so the key dimensions and any supplied application data are kept prominent.Key Features & Technical Details Wiseco Rings XR Type for 1998-2000 Yamaha WR400F Wiseco Rings XR Type for 1998-2000 Yamaha WR400F is built for reliable sealing, compression and long-lasting engine performance. Key Features XR type sets consist of Top Ring, Compression Ring, and Oil Ring Top Ring: Alloy steel, ferrox coated, chrome faced Compression Ring: Cast iron, phosphate coated, taper-faced Oil Ring: 3-piece... Verify exact application before ordering. Handling: Ships in 1 business day. Product Details Brand: Wiseco Manufacturer Part Number: 3701XR Product Type: Piston Ring Set Vehicle Focus: Powersports Vehicle Fitment Year Make Model Submodel 1998-2000 Yamaha WR400F WHY BUY WISECO FROM STEEL STEEDS?Engine internals need to be right the first time. Steel Steeds organizes Wiseco parts around exact manufacturer part numbers, technical specifications, and available machine fitment so you can compare rebuild components with less guesswork. Our powersports-focused support can also help you review the listing details before ordering.