Wiseco PK1356 Piston Kit 96mm 11.5:1 Compression 2005-2006 Honda CRF450X

The Wiseco PK1356 is a complete top-end piston kit designed for the 2005–2006 Honda CRF450X, featuring a 96mm bore (4753M) and an 11.5:1 compression ratio. Engineered from aerospace-grade aluminum alloy, this forged piston delivers an exceptional strength-to-weight ratio ideal for high-performance four-stroke off-road riding.

Each kit is manufactured using a dedicated forging process and precision CNC machining to ensure exacting tolerances, optimal cam shape, and a profile tuned for peak horsepower and extended service life. Wiseco pistons are race-proven across all forms of competition and trusted by top professional race teams worldwide.

Kit Includes:

• Forged piston — Aerospace alloy construction for superior strength and reduced reciprocating mass
• High-performance ring set — Engineered for extended service life and sustained power output
• Highest-quality alloy wrist pin — Precision machined for consistent fit and long-term durability
• Premium top-end needle bearing — Reduced friction and improved reliability under high-load conditions
• Wiseco top-end gasket kit — Premium materials exceeding OEM sealing standards

The PK1356 is a direct bolt-in solution for riders looking to restore or upgrade the top end of their CRF450X with components that meet or exceed factory specifications. Whether rebuilding after a season of hard use or preparing for competition, this kit provides everything needed for a complete top-end refresh.