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Wiseco W6421 Top End Gasket Set ATV Engine Rebuild Kit

(2009-2022 Yamaha YFZ450R; 2006-2009 Yamaha YZ450F; 2006-2015 Yamaha WR450F; 2009-2022 Yamaha YFZ450R SE)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

W6421
12 reviews
Sale Price

$105.99

Estimated ship date Friday, November 20

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco W6421 Top End Gasket Set provides everything needed to properly seal a top end engine rebuild on compatible ATV applications. Engineered to Wiseco's strict OEM-replacement and performance standards, this gasket set ensures reliable compression retention and leak-free operation after a piston or cylinder service.

Key Features:

  • Complete top end gasket set designed for ATV engines
  • Manufactured to precise OEM tolerances for proper fit and seal
  • High-quality materials designed to withstand heat, pressure, and engine fluids
  • Ideal companion for Wiseco piston kits and top end rebuilds
  • Includes all necessary gaskets for a complete top end assembly

The W6421 gasket set is a reliable solution for restoring factory-tight sealing integrity during top end engine service. Whether used in routine maintenance or performance rebuilds, Wiseco's gasket sets are a trusted choice among powersports enthusiasts and professional technicians alike.

Products specifications

Fits

2009-2022 Yamaha YFZ450R; 2006-2009 Yamaha YZ450F; 2006-2015 Yamaha WR450F; 2009-2022 Yamaha YFZ450R SE

Thanks

good prices good store

Easy.....

stumbled on Autoplicity and it's crazy how they have the best pricing available! Thanks!!

So far it has been good.

First time ordering, but not the last. Everything perfect...Thanks

Good price and simple online ordering. Please ship as quickly as possible.

straight forward order process, great price.

Good

Easy shopping for required part & easy check out and competitive prices.

good experience overall. decent website. good price for item purchased. would give 5 stars but I havent yet experienced the shipping and handling time.

Quick process. Picture was wrong for item...

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