A new, effortless way to sipe your tires that will save you time! The Ultimate Siper gives your tires a competitive edge with perfect sipes every single time.

This listing is for the Sprint 42 Spline adapter only, tailored for Sprint Car tires when using the Ultimate Spinner System. It ensures a precise and secure fit for high-performance racing.

Key Features:

• Tailored for Sprint Cars: Ideal for 42 Spline tire setups.

• Racing-Grade Precision: Stable and secure mounting for accurate siping.

• High-Quality Construction: Built to endure demanding track conditions.

• Easy Setup: Quickly attaches to the Ultimate Spinner System.

• Consistent Operation: Keeps tires steady for optimal siping results.

Note:

This product includes the Sprint 42 Spline adapter only. The Ultimate Spinner System is sold separately.