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Wiseco W6003 Big Bore Top End Gasket Kit 2.813 in. Bore Powersports

(Harley-Davidson XL1200C Sportster 1200 Custom 2004-14, XL1200R Sportster 1200 Roadster 2004-08, XL1200L Sportster 1200 Low 2006-11 + 4 more models)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

W6003
9 reviews
Sale Price

$80.99

Estimated ship date Saturday, November 21

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Product Details

The Wiseco W6003 is a top-end gasket kit engineered specifically for big bore powersports applications with a 2.813-inch bore, designed for use with Buell and Harley-Davidson engines. This kit supplies everything needed to properly seal a top-end rebuild, ensuring a complete and reliable assembly from the first start.

Key Features:

  • Complete Top-End Kit: Includes all gaskets and O-rings required for a full top-end rebuild — no need to source individual components separately
  • High-Quality Materials: Manufactured from premium materials engineered to deliver a critical seal with superior durability
  • OEM and Beyond: Designed to meet and exceed OEM sealing specifications for long-lasting performance
  • Wiseco-Engineered Compatibility: Sourced and validated in-house to ensure precise fitment with Wiseco pistons and crankshafts
  • 2.813 in. Bore: Matched specifically for big bore cylinder dimensions — ideal for performance rebuild applications
  • Powersports Application: Designed for V-twin powersports platforms including Buell and Harley-Davidson

Wiseco gasket kits are the ideal complement to a big bore piston upgrade or top-end rebuild, providing racers and performance enthusiasts with the sealing integrity their build demands.

Products specifications

Fits

Harley-Davidson XL1200C Sportster 1200 Custom 2004-14, XL1200R Sportster 1200 Roadster 2004-08, XL1200L Sportster 1200 Low 2006-11, XL1200N Sportster 1200 Nightster 2007-12, XL50 50th Anniversary Sportster 2007 + 2 more models

Simple and EZ

easy to navigate site and had the parts I needed at a reasonable cost.

looks like what I need

site is slow

Easy website

Easy process

Good

It would've been nice had you listed driver's side/passenger side so I didn't have to spend a lot of time to figure what I needed.

Always been happy with products and price.

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