Longacre Deep Groove Coil-Over Spring RubbersFine tune your spring rate for the perfect setupMake quick adjustments during practice or on pit stopsUsed by virtually all Sprint Cup teams in every race2″ overall thickness, 1-1/4″ thickness between coilsChoose the color of spring rubber.Red – SoftBlue – MediumBlack – Hard

• Fine tune your spring rate for the perfect setup
• Make quick adjustments during practice or on pit stops
• Used by virtually all sprint cup teams in every race
• 1-1/4″ thick
• Longacre is known for high-quality, easy to install, race proven parts designed to fit racers needs, and are built to last through harsh environments