1200cc Big Bore Kit - Wrinkle Black. Fits Sportster 1986-2021 with 883cc Engine. - S&S Touring (FLH) 2024up Solo Seats * Staunch 1-1/4″ diameter

* Staunch 1-1/4″ diameter

and Sportster models (Does not fit Springer or 2004up Sportster Custom Models)

* Re-Uses OEM Clutch

vehicle alignment early model FXR’s

5-inch Diameter Muffler

1200cc Big Bore Kit - Wrinkle Black. Fits Sportster 1986-2021 with 883cc Engine. - S&S Touring (FLH) 2024up Solo Seats * Staunch 1-1/4″ diameterFeatures & Benefits: * Will Not Fit XR1200 * Includes Black Cylinders. * Includes MLS Head Gaskets, Base Gaskets & Exhaust Gaskets. * Includes Assembly lube & Instructions. * No machining & No re balancing. * No cylinder head modifications. * The dished piston dome keeps compression down to a streetable 9. 4: 1 with stock 883cc heads. Tech Tip: * For the best performance CNC head porting, performance cams, exhaust & intake upgrades are recommended. *