# Wiseco 04-10 Buell XB12R/S 2V Domed 121 Piston Kit

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.

-   Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation
-   Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions
-   Performance-Enhancing Features: Varied across applications to maximize both durability and power
-   Improved tensile strength of forged material optimizes strength and service life
-   Designed and built for each specific 4-stroke powersports engine
-   Dedicated forgings allow for optimized strength-to-weight ratio
-   Includes high-quality piston rings, wrist pin(s), and circlips
-   Engineered, forged, and machined in the USA in Mentor, OH
-   3.508 in. Bore, 12:1 CR

This Part Fits:

Year

Make

Model

Submodel

2004-2008

Buell

XB12R Firebolt

Base

2004-2008

Buell

XB12S Lightning

Base

2004-2010

Harley-Davidson

XL1200C Sportster 1200 Custom

Base

2006-2011

Harley-Davidson

XL1200L Sportster 1200 Low

Base

2007-2011

Harley-Davidson

XL1200N Sportster 1200 Nightster

Base

2004-2008

Harley-Davidson

XL1200R Sportster 1200 Roadster

Base

2007

Harley-Davidson

XL50 50th Anniversary Sportster

Base

## Details

- **Price:** 809.75 CAD
- **Vendor:** Wiseco
- **Type:** Piston Sets - Powersports

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 809.75 CAD | In stock |

## Images

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- Photo - out of package
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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wiseco-04-10-buell-xb12r-s-2v-domed-121-piston-kit-1)
> Updated: 2026-07-14