99-08 TRX400EX Piston Kit - Standard - Honda - 11:1 Compression Ratio - Wiseco
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Features
- Designed and built for 4 stroke engine models
- Kit includes piston, piston rings, wrist pin(s) and circlips
- Made in the USA
Fitments
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POSITION | NOTES |
|---|---|---|---|---|
| 2009, 2012-2014 | Honda | TRX400X | - | - |
| 2006-2008 | Honda | TRX400EX | - | - |
| 2001-2005 | Honda | TRX400EX Sportrax | - | - |
| 1999-2000 | Honda | TRX400EX FourTrax | - | - |
| 1996-2004 | Honda | XR400R |
Specs
| PRODUCT NAME | PISTON KIT |
| MODEL | FORGED SERIES |
| PISTON MATERIAL | FORGED 2618 ALUMINUM |
| SKIRT COATING | NON-COATED |
| BORE SIZE | 85.00 MM |
| BORE - OVERSIZE | STANDARD / STANDARD |
| PISTON DIAMETER | 84.95 MM |
| COMPRESSION RATIO | 11.0:1 |
| DISPLACEMENT | 397 CC |
| ENGINE TYPE | 4-STROKE |
| STROKE LENGTH | 70.00 MM |
| UNITS | KIT |
| RIDING STYLE | ATV / OFF-ROAD |
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
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