O.S. Engine OS-13880 21XZ-R Precision On-Road Power Unit  [OS-13880]

Track-Ready Design of the O.S. Engine 21XZ-R

The O.S. Engine OS-13880 21XZ-R targets drivers who demand steady race power and reliable construction. Its focus on precision makes it suitable for refinement at club nights and championship meetings.

Component Quality for Controlled Power

The 21XZ-R features finely made internals that help maintain efficient combustion and effective power delivery. The high-performance carburetor supports accurate fuel metering, and the lighter construction helps sharpen throttle response for tighter cornering.

Consistent Performance Across Conditions

When compared with rivals, the 21XZ-R offers dependable output and a practical tuning window. It is designed to cope with the demands of frequent racing while allowing drivers to tailor settings for varying circuit characteristics.

The O.S. Engine OS-13880 21XZ-R is a measured choice for racers seeking a precise, tuneable engine. Its engineering helps maintain consistent lap times with the right setup work.