Pro Circuit T-4 Stainless Steel MX Full Exhaust System Dirt Although these parts will physically

Although these parts will physically “fit” the clutches and could help

Renthal R1 420 Works Chain

For 125 - 450cc Motocross applications

Stainless steel throughout head pipe and mid pipe

Pro Circuit T-4 Stainless Steel MX Full Exhaust System Dirt Although these parts will physicallyPro Circuit T 4R Exhaust System The Pro Circuit T 4R Stainless Steel Exhaust System delivers the same performance and features as the Ti 4R, the only difference is the T 4R pipe is constructed of stainless steel and aluminum for increased strength and durability. While not as light as a titanium exhaust, the T 4R is still lighter than most stock systems and offers increased durability, factory looks, and power gains throughout the entire RPM range.