Wiseco 86mm 10:1 Piston Kit for Honda TRX400EX 1999-2008 PK1033
Part Number: 09030374WISECO
- SKU:
- 09030374
- MPN:
- PK1033
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
Description
When your TRX400EX's piston shows signs of wear or you're pushing for higher RPMs, a quality rebuild is non-negotiable. The Wiseco 86mm 10:1 Piston Kit delivers the durability and precision needed to handle sustained high-load conditions, whether you're racing or riding hard off-road. This complete kit eliminates the guesswork by including everything required for a full top-end rebuild—no hunting for compatible components.
Wiseco's high-silicone forged construction resists thermal expansion better than OEM alternatives, maintaining critical clearances even during extended full-throttle sessions. The 10:1 compression ratio sits in the sweet spot for bolt-on performance gains without requiring fuel system modifications on most builds. Installation is straightforward for experienced mechanics, and you can trust these rings won't cross over with cheaper aftermarket options.
- 86mm bore diameter
- 10:1 compression ratio
- High-silicone forged pistons
- Includes rings, wrist pins
- Includes circlips, gasket kit
- Honda TRX400EX fitment
- Years 1999–2008 compatible
- Complete top-end rebuild solution
- Minimal thermal expansion
- Wiseco rings (non-interchangeable)
- MPN: PK1033
Specs
BORE - OVERSIZE: |
+1,00 MM |
BORE - OVERSIZE METRIC: |
+1.00 MM |
RIDING STYLE: |
OFF-ROAD |
SKIRT COATING: |
NON-COATED |
UNITS: |
KIT |
MODEL: |
FORGED SERIES |
PRODUCT NAME: |
REBUILD KIT |
STROKE LENGTH METRIC: |
70.00 MM |
TYPE: |
TOP END |
BORE SIZE METRIC: |
86.00 MM |
COMPRESSION RATIO IMPERIAL: |
10.0:1 |
DISPLACEMENT: |
397 CC |
PISTON DIAMETER METRIC: |
85.95 MM |
ENGINE TYPE: |
4-STROKE |
PISTON MATERIAL: |
2618 ALUMINUM ALLOY |
RIDING STYLE: |
ATV |
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