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Wiseco 86mm Piston Kit for Honda TRX400EX 1999-2008 PK1038

Part Number: 09030471
WISECO
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SKU:
09030471
MPN:
PK1038
Condition:
New
Availability:
Ships Same Business Day
Weight:
2.00 LBS
$319.95

Ships from Manufacture | Call to Order (231) 767-5055

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Description

When you're pushing your TRX400EX to its limits, a worn or damaged top-end becomes the weak link in your drivetrain. The Wiseco 86mm Piston Kit delivers the strength and precision your engine needs to handle aggressive riding and sustained high RPMs—backed by decades of motorsports-proven engineering. This complete kit includes everything required for a full top-end rebuild, eliminating guesswork and ensuring your engine breathes, fires, and performs like new.

  • High-silicone forged material
  • Reduced thermal expansion
  • Forged piston included
  • Wiseco competition rings
  • Wrist pins and circlips
  • Complete gasket kit
  • Engine-specific fitment
  • Bolt-on installation
  • Honda TRX400EX compatible
  • 1999–2008 model years
  • Part number PK1038
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Specs

BORE - OVERSIZE:
+1,00 MM
MODEL:
FORGED SERIES
PRODUCT NAME:
REBUILD KIT
BORE - OVERSIZE METRIC:
+1.00 MM
BORE SIZE METRIC:
86.00 MM
COMPRESSION RATIO IMPERIAL:
11.0:1
DISPLACEMENT:
397 CC
PISTON DIAMETER METRIC:
85.95 MM
RIDING STYLE:
OFF-ROAD
SKIRT COATING:
NON-COATED
UNITS:
KIT
ENGINE TYPE:
4-STROKE
PISTON MATERIAL:
2618 ALUMINUM ALLOY
RIDING STYLE:
ATV
STROKE LENGTH METRIC:
70.00 MM
TYPE:
TOP END
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Fitment

Fitment for Wiseco 86mm Piston Kit for Honda TRX400EX 1999-2008 PK1038

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