Motorshop 1800cc 4in Big Bore Cylinder for Harley FXST

Increase your Harley Davidson FXST displacement to 1800cc with Motorshop's precision-honed 4.005-inch bore big bore cylinder. Designed to upgrade 96 or 103 Big Bore configurations, this component delivers more power while maintaining reliable, durable operation.

The cylinder is black with aluminum-highlighted fin edges, offering rugged styling paired with effective cooling. Built for longevity, it’s crafted to perform under demanding riding conditions.

Finished bore size: 4.005 inches for a precise fit during engine rebuilds or upgrades. This unit is designed to fit Harley Davidson FXST models from 2007 to 2016 and is optimized for engine upgrades and rebuilds to increase displacement and power.

Manufactured in Taiwan from high-quality materials, it emphasizes durability and reliable operation across miles of riding and rebuild cycles.

Easy to install with existing OEM components, this big bore cylinder integrates with stock systems to simplify the upgrade while enhancing engine performance.

• Finished bore: 4.005 inches
• Color/finish: Black with aluminum-highlighted fins
• Fitment: Harley Davidson FXST (2007–2016)
• Origin: Taiwan
• Purpose: Upgrades from 96/103 Big Bore to 1800cc
• Installation: Compatible with OEM components

Twin Cam 96 or 103 Big Bore cylinder is black with aluminum high-lighted fin edges. Used to increase 96 or 103cc to 1800cc.

Upgrade your Harley Davidson FXST engine with the Motorshop 1800cc 4 inch Big Bore Cylinder, designed for optimal performance and durability. This precision-honed cylinder features a finished bore size of 4.005 inches, ensuring a perfect fit for your engine rebuild or upgrade. Crafted from high-quality materials in Taiwan, this component guarantees longevity and reliable operation under demanding conditions. Whether you're restoring a vintage model or enhancing your motorcycle's power, this big bore cylinder provides the performance boost you need. Its robust construction and precise machining make it an excellent choice for serious riders and mechanics alike.

Features:

• Finished bore size of 4.005 inches for precise fitting and performance

• High-quality construction from Taiwan ensures durability and longevity

• Designed to fit Harley Davidson FXST models from 2007 to 2016

• Optimized for engine upgrades and rebuilds, providing increased displacement and power

• Easy to install with existing OEM components, enhancing engine performance

Fitment:
Harley Davidson FLST 2007
Harley Davidson FLST 2008
Harley Davidson FLST 2009
Harley Davidson FLST 2010
Harley Davidson FLST 2011
Harley Davidson FLST 2012
Harley Davidson FLST 2013
Harley Davidson FLST 2014
Harley Davidson FLST 2015
Harley Davidson FLST 2016
Harley Davidson FLST 2017
Harley Davidson FLT 2007
Harley Davidson FLT 2008
Harley Davidson FLT 2009
Harley Davidson FLT 2010
Harley Davidson FLT 2011
Harley Davidson FLT 2012
Harley Davidson FLT 2013
Harley Davidson FLT 2014
Harley Davidson FLT 2015
Harley Davidson FLT 2016
Harley Davidson FXD 2007
Harley Davidson FXD 2008
Harley Davidson FXD 2009
Harley Davidson FXD 2010
Harley Davidson FXD 2011
Harley Davidson FXD 2012
Harley Davidson FXD 2013
Harley Davidson FXD 2014
Harley Davidson FXD 2015
Harley Davidson FXD 2016
Harley Davidson FXD 2017
Harley Davidson FXST 2007
Harley Davidson FXST 2008
Harley Davidson FXST 2009
Harley Davidson FXST 2010
Harley Davidson FXST 2011
Harley Davidson FXST 2012
Harley Davidson FXST 2013
Harley Davidson FXST 2014
Harley Davidson FXST 2015
Harley Davidson FXST 2016
Harley Davidson FXST 2017