Description

This piston ring set (3.54‑inch bore, 0.75‑inch pin) is compatible with Honda TRX450 Foreman 450 4x4 models from 1998 to 2004. Fits the 450cc 4‑stroke single‑cylinder engine used in these utility ATVs. Direct replacement for worn or broken rings that cause low compression, oil burning, or hard starting.

OE reference: 13101‑HN0‑A00 – confirm your original part number before ordering.

Manufactured to match original bore size (3.54in / 90mm) and pin diameter (0.75in / 19mm). Restores proper cylinder sealing and engine performance. Ideal for top‑end rebuilds or routine maintenance. Includes top, second, and oil rings.

Key fitment notes:

• Works with Honda TRX450 Foreman 450 (1998, 1999, 2000, 2001, 2002, 2003, 2004)

• Compatible with S, ES, FE, FM, and 4x4 trims

• Replaces OEM 13101‑HN0‑A00

Important – verify your vehicle:
Please measure your cylinder bore and pin diameter before ordering. This ring set is not compatible with TRX400, TRX500, TRX650, or other Honda models. Also not for oversized bores. Professional installation recommended – proper ring gap and orientation are critical.