Wiseco Forged Series Piston Kit with Gaskets - Honda TRX350/ATC350X (1985-1989) - 81.00mm Bore (Standard) - 4-Stroke
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Wiseco Forged Series Piston Kit with Gaskets - Honda TRX350/ATC350X - Standard Bore
Premium Wiseco Forged Series piston kit with complete gasket set for vintage Honda TRX350 and ATC350X ATVs. This is the STANDARD BORE (81.00mm) kit - direct replacement!
Kit Includes
- Forged Series Piston
- Ring Set
- Wrist Pin
- Wrist Pin Retainer Set
- Complete Gasket Kit
Key Features
- Forged Series - premium 2618 aluminum alloy construction
- 10.25:1 compression ratio
- Standard bore - no cylinder work required
- Complete top-end gasket kit included
- Fits vintage TRX350 and legendary ATC350X three-wheeler
Piston Specifications
- Bore Size: 81.00 mm (Standard)
- Piston Diameter: 80.95 mm
- Stroke Length: 68.00 mm
- Compression Ratio: 10.25:1
- Material: 2618 Aluminum Alloy
- Skirt Coating: Non-Coated
Engine Specifications
- Displacement: 350.4cc
- Engine Type: 4-Stroke
- Weight: 2.05 lbs
Fitment
- Honda ATC350X: 1985-1986
- Honda TRX350: 1986-1987
- Honda TRX350D: 1987-1989
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
