Fuel Moto Big Bore Kits / Crate Engines

There are so many excellent performance parts available for your H-D that it can be difficult to bring together a set of components that truly compliment each other. We have spent years testing and developing our big bore kits so you don't have to! Each kit has customizable features such as cam selection, piston selection, and some kits even include perfect fit pushrods tailored to your build.
  • Fuel Moto 98" Big Bore Kit Fuel Moto 98" Big Bore Kit

    The Fuel Moto 98" Big Bore is a complete kit with the highest quality components all of which have been extensively tested in house both on the dyno as well as in real world conditions. This kit is available for 99-06 Twin cam 88" motors and delivers absolute top level performance.

    More on the 98" Big Bore Kit »
  • Fuel Moto 107" Big Bore Kits Fuel Moto 107" Big Bore Kits

    The Fuel Moto 107" Big Bore is a complete kit with the absolute highest quality components, all of which have been extensively tested in house both on the dyno as well as in real world conditions to deliver top level performance. This kit works on all 2007-2016 Twin cam 96" and 103" motors and delivers absolute top level performance and reliability. Our Fuel Moto 107" kit works with stock cylinder heads and valve train, or if you are looking for the next level of performance complement your build with our Fuel Moto Level B heads.

    More on 107" Big Bore Kits »
  • Fuel Moto 113" Big Bore Kit Fuel Moto 113" Big Bore Kit

    Ready to take your CVO 110" motor to the next level? The Fuel Moto 113" Big Bore is a complete kit built with industry leaders such as Wood Performance. Take things a step further and pair the 113" Big Bore package with Fuel Moto CNC CVO Heads for the ultimate performance and reliability. We have spent years performing R&D to find the ultimate combination of components to maximize performance while maintaining the reliability you have come to know and expect.

    • Designed for 2007-Later CVO 110" motors
    • Bolt on kit - no case bore required
    • Works with stock, Fuel Moto Stage 1 CVO Heads, or Fuel Moto CNC CVO Heads

    More on the 113" Big Bore Kit »
  • Fuel Moto 117" Big Bore Kit Fuel Moto 117" Big Bore Kit

    The Fuel Moto 117" Big Bore is a complete kit with the absolutely highest quality components, all of which have been extensively tested in house both on the dyno as well as in real world conditions to deliver top level performance. This is a 130-140Hp pump gas package which requires case boring, true/balance/welded crankshaft, as well as other peripherals such as throttle body, injectors, exhaust, and appropriate EFI tuning device. We are also offering various options including gear drive cams & Timken conversion.

    More on the 117" Big Bore Kit »
  • Fuel Moto SE120R/ST to 124" Big Bore Kit Fuel Moto SE120R/ST to 124" Big Bore Kit

    Ready to take your SE 120R/ST motor to the next level? The Fuel Moto 124" big bore takes these popular Harley crate engines from mild to wild with NO case boring required! The Fuel Moto 124" big bore kit offers substantial horsepower gains along with huge torque gains. As with all Fuel Moto big bore kits, not only will you see increases in performance, but also with reliability.

    • Designed for SE120R & SE 120ST motors
    • Bolt on kit - no case boring required

    More on the 124" Big Bore Kit »
  • 126" Fuel Moto Outlaw Crate Engine 126" Fuel Moto Outlaw Crate Engine

    The Fuel Moto 126” Outlaw is a complete turn key engine designed to deliver top level horsepower & torque. Each engine is custom built by Fuel Moto to your individual requirements from 100% new components. Engine includes MSO (Manufacturer Certificate of Origin) from H-D Motor Company.

    More on the 126" Outlaw Engine »
  • Fuel Moto Short Blocks Fuel Moto Short Blocks

    Fuel Moto Short Blocks are the ultimate foundation for your powerhouse. Genuine H-D Screamin' Eagle engine cases with Timken bearing conversion and bored for big bore cylinder spigots, S&S crankshaft (4.625" or 4.375" stroke), your choice of 3.937", 4.060", or 4.125" Fuel Moto extreme duty IC cylinders & custom CP/Carrillo pistons for your application. Pistons available for standard H-D heads, H-D 110/MVA heads, S&S Superstock heads. Add your cylinder head assemblies, camchest & associated components.

    More on the Fuel Moto Short Blocks »