Standard and optional front spring range range for the R1B.

Key Features and Specifications:

• R1 Wurks genuine replacement / option part
• Made from high quality spring steel 

Includes: x2 of the selected spring. 

Spring Chart:

Note: 

Dirt kit standard front spring: Gray / 3.4 lb/in

Carpet kit standard front spring: Purple / 4.6 lb/in