1250cc Big Bore Kit - Black. Fits Sportster 1986-2021 - S&S Cables & Hydraulic Lines * The docking hardware kit

* The docking hardware kit is included

now almost every rider can get all of the same performance and style with bolt-on ease

* Top Fitting with 7/16″ x 35 Degree Banjo

or any motorcycle with 1-1/4″ engine guards

* When used in conjunction with the HLY-3021

1250cc Big Bore Kit - Black. Fits Sportster 1986-2021 - S&S Cables & Hydraulic Lines * The docking hardware kitFeatures & Benefits: * Fits Sportster 1986 2021 including Sportster 2004 2021. * Will Not Fit XR1200 * Includes Black Cylinders. * Includes Flat Top Pistons. * Includes Head Gaskets. * 10. 3: 1 Compression Ratio with OEM 1200cc * No rebalancing required. * Largest bolt on kit available. Tech Tip: * Will Not Fit with stock 883cc Heads. * For the best performance CNC head porting, performance cams, exhaust & intake upgrades are recommended. * EFI re