• Simple but effective way to shift the torque curve to favor the low- to mid-range band of the rev range
• Insert spacer between cylinder and reed valve
• CNC machined aluminum
• Kit includes 2 gaskets and stainless allen bolts
• If your air boot has shrunk with age, this is a great way to get everthing to fit snug again.
• 6mm thick plate

Proud sponsor of the AMA D14 Vintage Motocross Series & AHRMA Great Lakes Regional Series.