S&S CYCLE Big Bore Cylinder Kit — 124 cu in, 4.250 in bore, 4.375 in stroke, Black – 18-19, 22-23 Softail, 17-19, 22-23 Touring

Big Bore cylinder kit delivers excellent results with stock cylinder heads. 🏍️

Easy installation — no need to bore or split existing cases; simply swap the cylinders unless otherwise noted. 🔧

Cylinders are constructed from premium aluminum castings with cast-in iron liners for durability.

The kit includes cylinders, pistons, rings and gaskets (head, base and exhaust).

Made in the USA. Project requires a skilled technician; the assembler is responsible for checking all clearances and assembly specifications. 🇺🇸