Namura
Namura Standard Bore Piston Kit (73.95mm) for Honda TRX300 FourTrax / Sportrax (1988-2000) | Mpn: NA-10002
Namura Standard Bore Piston Kit (73.95mm) for Honda TRX300 FourTrax / Sportrax (1988-2000) | Mpn: NA-10002
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Namura Technologies Standard Bore Replacement Piston Kit
Part Number: NA-10002 | Bore Size: 73.95 mm
Engineered to meet or exceed OEM specifications, Namura piston kits provide a premium, reliable solution for your engine rebuild. Each kit comes complete with a hypereutectic alloy piston, a premium ring set, a wrist pin, and circlips—giving you everything needed for a hassle-free drop-in installation.
Features
- Hypereutectic Aluminum Alloy: Cast with a high silicon content to drastically reduce thermal expansion, preventing cold seizures and extending overall piston life.
- MOS2 (Teflon/Molybdenum) Coated Skirts: A specialized rolled-on coating that reduces friction, minimizes cylinder wall wear, and ensures a smoother break-in period.
- Anodized Piston Domes: Features hard-anodized crowns that provide up to 75% more heat resistance than standard non-anodized pistons, protecting against detonation and top-end heat fatigue.
Fitment
This kit is a standard-bore replacement part engineered specifically for the following models:
- Honda TRX300 FourTrax (2x4) — 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
- Honda TRX300FW FourTrax (4x4) — 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
-
Honda TRX300EX Sportrax — 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
(Note: While some catalogs extend the EX fitment up to 2008, please verify ring cross-compatibility. OEM and Namura rings are not interchangeable on EX models).
Kit Contents: 1x Piston, 1x Performance Ring Set, 1x Wrist Pin, 2x Circlips.
📦 We ship to the lower 48 states only. .
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