1987-2004 Yamaha Warrior 350 / 2004-2013 Raptor 350 stock bore 83mm Wiseco 10.25:1 Piston Kit Cometic Gasket set ProX cam chain

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco’s forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you’re looking for.

• Engineered, forged, and machined in the USA in Mentor, OH
• Designed and built for each specific 4-stroke powersports engine
• Improved tensile strength of forged material optimizes strength and service life
• Dedicated forgings allow for optimized strength-to-weight ratio
• Includes high-quality piston rings, wrist pin(s), and circlips

  Product Series	4 Stroke Forged Series
  Included Components	Piston #304382, Ring Set #3268XC, Wrist Pin #S376, CirClip #CW19
  Bore Diameter	83.00 MM
  Piston Diameter	82.95 MM
  Compression Ratio Actual	10.25:1
  Piston Material	2618
  Skirt Coating	Yes
  Piston Oversize	STDc

COMETIC GASKET SET

• TOP END GASKET KIT INCLUDES CORRECT BASE, HEAD GASKET AND CYLINDER O-RINGS AS WELL AS OTHER TOP END SPECIFIC O-RINGS OR SEALS NEEDED FOR R&R OF TOP END
• MLS HEAD GASKETS PROMOTE AN EVEN TORQUE LOAD ACROSS THE GASKET SEALING SURFACE, PROVIDING LESS BORE DISTORTION AND BETTER PISTON RING SEAL FOR MORE POWER
• 4-STROKE HEAD GASKETS ARE MADE TO PERFORM ON TODAYS HIGHEST-OUTPUT 4-STROKE NATURALLY ASPIRATED AND BOOSTED MACHINES, UTILIZING A MULTI-LAYERED STEEL DESIGN WITH THE OUTER LAYERS BEING EMBOSSED AND COATED WITH A VITON RUBBER COATING; THESE HEAD GASKETS ARE DESIGNED TO MEET THE DEMANDS OF TODAY'S HIGH-HORSEPOWER, HIGH-CYLINDER-PRESSURE ENGINES
• EST (EXTREME SEALING TECHNOLOGY) GASKET KIT INCLUDES EMBOSSED STAINLESS STEEL HEAD, BASE AND ROCKER GASKETS COVERED WITH A PROPRIETARY RUBBER MATERIAL
• HEAD GASKET MATERIAL ALLOWS HEAT TO BE DRAWN AWAY FROM THE COMBUSTION RING AND DISSIPATED EVENLY ACROSS THE GASKET SURFACE TO ELIMINATE HOT SPOTS AND GASKET FAILURE
• MADE IN THE U.S.A.

ProX Cam Chain

For the supply of the cam chains ProX has a successful cooperation with Borg Warner in Japan. Borg Warner is a leading name in the industry and is known as one of the main suppliers to a variety of OEM companies worldwide. The quality is proven and the range of products is very wide. Since the cooperation between ProX and Borg Warner the product program has increased significantly and a complete line of cam chains for MX, ATV and Street Bikes is available from ready stock.

• For the supply of the cam chains ProX has a successful cooperation with Borg Warner in Japan
• Made in Japan
• Borg Warner is a leading name in the industry and is known as one of the main suppliers to a variety of OEM companies worldwide

  Product Market	ATV and UTV Parts
  Number of Links	90
  OEM Reference No	BF05M-90L / 94500-02090-00