SKU:11-1243
Increase displacement from 107 to 124 cubic inches with a bolt-on M8 big-bore cylinder kit designed to fit the factory engine base without case boring. The cylinders feature a black finish with machined fins for corrosion resistance and a sleek, durable look.
The kit includes precision-fitted cylinders with forged pistons and an 11:1 compression ratio, delivering increased horsepower and torque alongside improved efficiency. Head and base gaskets are crafted for a seamless fit on the factory base, simplifying installation and reducing downtime.
Fits 2017–2023 Harley-Davidson models across FLT, FXST, FLST, FLHR, FLHT, and FLHX families, with a design that aligns to the factory engine base for a true bolt-on upgrade. This Made-in-the-USA assembly is built to meet strict quality standards and provide reliable performance for rebuilding or upgrading your engine.
To complete your performance upgrade, consider pairing this kit with recommended accessories such as the M8 Big Bore Black Cylinder Set and Wiseco Piston Kit, which are suggested for optimal results. Additional bolt-on cylinder kits and mini tools can assist with installation and maintenance, helping your motorcycle perform at its best on every ride.
This M8 engine design is made for displacement increases. Designed to fit on factory engine base without case boring. Cylinder has a black finish with macined fins. Converts 107 inch to 124 inch.Upgrade your Harley Davidson engine with the Motorshop M8 124 Inch Big Bore Bolt On Cylinder Kit in sleek black finish. This precision-engineered kit includes high-performance forged pistons with an 11:1 compression ratio, ensuring increased power and efficiency. The kit also features head and base gaskets designed for a perfect fit on the factory engine base without the need for case boring, simplifying installation and reducing downtime. Crafted in the USA, this kit is built to meet high standards of quality and durability, making it an excellent choice for motorcycle enthusiasts seeking reliable performance enhancements.
The M8 124 Inch Big Bore Cylinder Kit is compatible with a range of Harley Davidson models from 2017 to 2023, including FLT, FXST, and FLST series. Its design ensures a seamless fit, delivering improved horsepower and torque to enhance your riding experience. Whether you're rebuilding or upgrading your engine, this kit provides all the essential components for a professional-level modification. The black finish adds a stylish touch that complements your motorcycle’s aesthetic while providing corrosion resistance and longevity.
To complete your upgrade, consider pairing this kit with recommended accessories such as the M8 Big Bore Black Cylinder Set and Wiseco Piston Kit, which are suggested for optimal performance. Additional accessory items like the bolt-on cylinder kits and mini tools can facilitate installation and maintenance, ensuring your motorcycle performs at its best on every ride. Trust Motorshop for quality parts that meet the demands of serious riders and motorcycle builders alike.
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