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The Rider’s Shop

Wiseco

Wiseco Piston Kit (83 mm) Comp. Ratio 10.25:1

$218.99
Part #
1038400165
Mfr. part #
4419M08300
Availability
In stock
Check if it fits your vehicle

Only vehicles this part fits are listed.

  • Fast Reliable Shipping
  • Easy 30-Day Returns
Description
  • Lightweight forging for instant throttle response and maximum torque .
  • Computer engineered piston skirt profiles provide minimal cylinder wall friction .
  • Piston kit includes piston, rings, wristpin and circlips.
  • Notice: Product Images may differ from the actual product. Image may be a representation of this item.
Specifications
BrandWiseco
Part #1038400165
Manufacturer part #4419M08300
Product typeEngine
CategoryEngine
Fitment (7)
MakeModelYears
YamahaYFM350FG GRIZZLY 4WD [SRA]2007-2014
YamahaYFM350FGI GRIZZLY 4WD [IRS]2007-2012
YamahaYFM350FW BIG BEAR 4WD [SRA]1989-1999
YamahaYFM350G GRIZZLY 2WD [SRA]2007-2012
YamahaYFM350R RAPTOR2005-2013
YamahaYFM350U BIG BEAR 2WD [SRA]1996-1999
YamahaYFM350X WARRIOR1987-2004
Shipping & Returns

Is shipping free?

Yes. Shipping is free on every order to a US address, and we email you the tracking number when it ships.

What shipping options are available?

Orders are shipped via FedEx, USPS, OnTrac, or other reputable carriers, depending on the most suitable option for your order. Please contact us for expedited shipping requests.

Do you ship outside the USA?

Currently, we ship within the United States only.

Do you ship to Alaska and Hawaii?

Yes, we ship to Alaska and Hawaii.

What could cause a shipping delay?

Delays may occur due to incorrect shipping addresses, carrier disruptions, or holiday periods. If an address issue affects delivery, we will contact you using the information provided with your order.

How do I return an item?

Items may be returned within 30 days of delivery, provided they are unused, in new condition, and in their original packaging. Please contact us with your order number to initiate a return.

Customers are responsible for return shipping costs for ordering errors or change-of-mind returns. If we send an incorrect or damaged item, please email us with your order number and photos of the item. If the error is confirmed to be ours, we will cover the return shipping costs.

Refunds are based on the purchase price of the returned product and are processed after the return is approved and inspected.

See our shipping policy, refund policy and FAQ.