01.2453.A – Pro-X Piston Kit STD for Yamaha YZ450F and WR450F. Standard bore of 96.95 mm.
- The smart solution to save money on engine repairs
- Manufactured in Japan and designed to be OE replacements.
- Cast from a high-silicon-content aluminum alloy that meets or exceeds OE specifications, then CNC-machined to extremely close tolerances.
- Pistons supplied in a kit package that includes rings, wrist pins and circle clips.
Fits Yamaha models:
2024-2025 WR 450F
2023-2025 YZ 450F
2024 YZ 450FX
