S&S Cycle 128" Big Bore Cylinder Kit - M8

The Big Bore kit yields excellent results with stock cylinder heads Easy installation: no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings with cast-in iron liners Kits include cylinders, pistons, rings and gaskets (head, base and exhaust) Black or silver powder-coat finish Made in the U.S.A. This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications. Not recommended for trike models Specs PRODUCT NAME CYLINDER KIT STYLE BIG BORE BASE COLOR BLACK COLOR/FINISH BLACK MATERIAL IRON BORE SIZE 4.250" DISPLACEMENT 128" STROKE LENGTH 4-1/2" COMPRESSION RATIO 11.0:1 UNITS KIT RIDING STYLE STREET MPN 910-0685 Drag Specialties Part# 0931-0835   Fitments 2020 Harley-Davidson Road Glide Limited FLTRK - - 2020 Harley-Davidson Softail Low Rider S FXLRS - - 2020 Harley-Davi