Wiseco 85.00mm Standard Top End Kit – Honda TRX400EX / TRX400X / XR400R (1997-2014)
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
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✓ Fits:
- 1997-2014 Honda TRX400EX
- 1997-2014 Honda TRX400X
- 1997-2014 Honda XR400R
✓ Features:
- Forged 85.00 mm standard bore piston (10:1 compression)
- High-performance piston ring set
- Wrist pin & circlips
- Complete top-end gasket kit (head, base, valve cover, and seals)
- Standard bore (85.00 mm) forged piston with 10:1 compression ratio
- Race-proven design trusted by professional motocross and GNCC teams
- Forged from aerospace alloy for superior strength-to-weight ratio
✓ What's Included:
- Piston, rings, wrist pin, and circlips
Ships fast from DuneGoonShop!
📦 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.
