O. S. Engines Cylinder Rebuild Kit For .12XZ SPEED
The O. S. .12XZ Speed rebuild kit features a hardened chrome-plated cylinder liner for high durability and long life. The machined aluminium piston features parallel rings that trap fuel oils and use them as a seal to enhance compression and boost power and a four port cylinder. Racers can now get everything they need in one package.
- One cylinder liner
- One piston
- One connecting rod
- One piston pin
- Two piston pin retainers.
OSMG4801 Cylinder Rebuild Kit 12XZ SP Retail: $159.99 Street: $134.99
Source: O.S. Engines