If you are looking for the option to build up your own 107" kit, look no further. The Fuel Moto Extreme Duty cylinders with heavy Ductile iron sleeve are available in a 107 CI, 3.937" bore and do not require case boring. Kits include complete piston set, new Extreme Duty Cylinders, MLS head gaskets, and OEM base o-rings. Dynojet Power Vision base calibrations are available for many applications.
These custom forged pistons from CP Carillo are available in an assortment of compression ratios: 10.25:1, 10.50:1, or 10.75:1 for factory 96" & 103" heads. The ring end gap is already set and are simply ready to be installed.
The cylinders are a core component for reliability for any kit and we offer the very best with the Extreme Duty Cylinders. These cylinders are designed for maximum durability and top level performance which feature a centrifugally cast ductile iron sleeve. Manufactured by S&S Cycle in Viola, WI USA
Years of testing have driven us to select only the best components. We have already performed in house stress tests to find the best performing parts to ensure your build is reliable for years to come. Cometic multi layer steel head gaskets with Harley-Davidson OEM cylinder base o-rings will form the best seal.