Product Features:

• Provides more consistent performance than conventional locker springs
• Lasts up to 4 times longer than conventional locker springs
• In testing done by Joe Gibbs Racing these springs have held their rate for 5,000 miles
• Get better differential performance and better lap times
• Specifically designed for Joe Gibbs Racing by Renton Coil Spring - Learn More About RCS >

Is This The Product For My Application?
Used by Joe Gibbs Racing in every differential, these unique springs provide more consistent performance and last up to 4 times longer than conventional locker springs. These springs hold their rate up to 5,000 miles! Better differential performance means better lap times! (Our locker springs are only available in 78lb weight because that is the only weight Joe Gibbs Racing uses. Remember, we are a race team and not an oil or parts company.)

Available In:
Set of 2 78lb. Locker Springs