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.

Includes:

• 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