Wiseco PK1031 Top End Kit - Standard Bore 85.00mm, 10:1 Compression

Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!

Bore: 85.00mm
Compression: 10:1 Compression
Sizing: Standard Bore

Contains all the necessary components for overboring or rebuilding your top end.
Feature forged pistons, rings, wrist pins, circlips and top end gasket set.
SPECIFICATIONS.
Displacement: 397cc.
Bore - Standard: 85.00mm.
Bore - Actual: 85.00mm.
Bore - Oversize: STD.
Stroke: 70.00mm.
Cylinders: 1.
Compression Ratio - Actual: 10:1.
ITEM CONTENTS.
3347XC - 85.00 mm Ring Set.
4606M08500 - Honda XR/TRX400EX/TRX400X 10:1 CR.
CW20 - ROUND WIRE PIN LOCKS 20MM (PAIR).
Gasket.
Gasket Kit.
S520 - PistonPin 20mm x 2.362in. NonChromed TW.
W5514 - TopEndGsktKit XR/TRX400 96-05/99-08
Honda TRX400EX Sportrax 1999-2008
Honda TRX400X 2012-2014
Honda TRX400X 2009
Honda XR400R 1996-2004