This is the optional Tan 4.1 rate shock springs for the Traxxas Revo monster truck. Traxxas offers a wide variety of spring rates for the GTR shocks to precisely compensate for lighter or heavier truck configurations and different rocker installations. The springs use high-quality spring steel with durable powder-coated finishes. Spring rate is indicated by colored dots on the end of the spring.
This product was added to our catalog on May 1, 2005