This big bore cylinder and piston kit can be used as replacement for the cylinders and pistons for an S&S V107 engine or as the basis for a new engine build. Kit contains S&S 4" bore cylinders and forged flat dome pistons, rings, wrist pins, head and base gaskets. The cylinders are machined with the S&S bolt pattern and are intended for use in S&S Special Application crankcases1984-'99 big twins. This kit must be used with 4-1/4" stroke flywheels resulting in 107" displacement. Cylinder finish is a durable wrinkle black powder coat. This cylinder kit must be used with S&S cylinder heads with the S&S bolt pattern. For best performance, appropriate camshafts, performance air cleaner, performance exhaust and fuel system tuning are required.
These cylinders can not be installed in stock crankcases