Adjustable Idle Speed Screw for Tillotson Carburetors

Fine-tune those crucial idle settings effortlessly—the TISS screw (SKU: TISS) threads into Tillotson carburetors to set optimal RPM, avoiding surges or drops that disrupt your race flow.

• Robust construction for repeated adjustments
• Helps achieve smooth transitions to full throttle
• Essential for maintaining engine health over long sessions

With reliable idle control, your kart stays organized at the grid, ready to launch without hesitation for that early lead advantage.