Description
When you’re building or rebuilding a high-performance Honda 400 engine, OEM pistons won’t cut it if you’re chasing reliability under boost or sustained RPM. The WSM Piston Kit delivers OEM-equivalent quality with purpose-built enhancements—tighter tolerances, a proven E-clip design, and a MOS2 coating that actively dissipates heat away from critical ring grooves. Order one kit per cylinder and get everything you need in a single, ready-to-install package.
- +.25mm oversized bore
- Piston, rings, pin, clips included
- MOS2-coated skirts
- Heat-dissipating design
- Hardened ring grooves
- Improved E-clip retention
- Meets or exceeds OEM specs
- One kit per cylinder
- Additional rings available separately
- MPN: 50-230-04K
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