#6 Throttle Butterfly Valve for Briggs Raptor - Superseded by 211203

Why settle for sluggish response when you can optimize with the #6 Throttle Butterfly (SKU 555111)? Designed for Briggs Raptor engines and superseded by 211203, this valve precisely modulates air entry into the carburetor, directly influencing your kart's burst speed off the line.

• Facilitates smoother transitions from idle to full throttle, cutting response time.
• Boosts engine efficiency by balancing air-fuel mixtures for sustained power.
• Resists wear from high-RPM runs, ideal for endurance karting events.

In the heat of competition, every millisecond counts— this butterfly helps deliver crisp, predictable performance, allowing drivers to focus on lines and strategy rather than mechanical hiccups. Integrate it into your flathead setup for a more agile ride that feels tuned for victory.