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ProX Titanium Engine Exhaust Valve 28.2420-1-802

Exhaust Valve | SKU #28.2420-1-802 | MPN #28.2420-1

$81.32

  • New Part
  • Out of Stock
Contact us for a question. Phone: (304) 699-7572
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Availability: OUT OF STOCK

Specifications

ConditionNew
SKU#28.2420-1-802
MPN#28.2420-1
PartExhaust Valve
Wrist Pin Diameter16 mm
Piston Boss Spacing22.8 mm
Piston TypeFlat
Features4 Valve Pockets
Engine Type4-Stroke
Piston TypeCast
Wrist Pin Bearing Included No
Piston Over Bore Amount0.15 mm
Oem Piston Bore Size85 mm
Compression Ratio12.5:1

Vehicle Compatibility

This part fits an additional 4 vehicles.
YearMakeModelSubmodel
YamahaYZ426FYZ426F
YamahaWR426FWR426F

Description

ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc. The latest cylinders are plated by a Nicasil plating. Therefore we offer a wide range of ProX pistons in standard size, as well as in A, B, C, D+ oversizes.

Features

  • Manufactured in Japan and designed to be OEM replacements
  • Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
  • Pistons supplied in a kit package that includes rings, wrist pins and circlips


  • Save $$ over OEM pricing
  • Interchanges directly with OEM parts
  • Piston kit comes complete with piston, rings, pin and clips


  • 0


  • Comes complete with pistons, piston rings, wrist pin and circlips

Additional Information

Excellent economic alternative when you are looking for an OEM quality replacement pistonMainly manufactured in Japan by reputable Original Equipment Manufacturers to ProX exact specifications and high quality standardsSleeved cylinder piston kits are available in standard size and a Wide range of oversizesPlated cylinder piston kits come in standard size, as well as in A, B, C and D oversizes if availableProX leads the industry in cast and forged pistons made specifically to replace OEM partsComes complete with pistons, piston rings, wrist pin and circlips

Customer Review

We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.

  • 5
    500 (87%)
  • 4
    53 (9%)
  • 3
    16 (3%)
  • 2
    1 (0%)
  • 1
    3 (1%)
97% of customers rate this company 4- or 5-stars
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John M. Verified Customer   
11-04-23

Parts was what it showed. Back riding again with no fear or worries with my quick fix and got a used hose that is working great for my 98 Vulcan classic 800

Recommend this Company
5 / 5
Would Buy Again
5 / 5
Product Satisfaction
5 / 5
Tyson E. Verified Customer   
10-29-23

Yes

Recommend this Company
5 / 5
Would Buy Again
5 / 5
Marcus D. Verified Customer   
10-28-23

Scott was a lot of help through Facebook.

Recommend this Company
5 / 5
Would Buy Again
5 / 5
Product Satisfaction
5 / 5