Dynojet Q623 Jet Kit for Arctic Cat 400 Std 03-07

Dynojet carburetor jet kit can provide you with a simple and affordable solution to all your carburetion problems. Dynojet kits increase power and smoothness throughout the entire rev range, while maintaining optimum fuel economy. Dynojet stage 1 kits are fully adjustable to allow the use of a well designed aftermarket pipes and stock replacement air filters, stage 1 kits are designed to improve throttle response and driveability and in most cases power increases of approximately 5 percent throughout the entire power range can be achieved. Dynojet stage 2 kits are designed for applications where individual filters cannot be installed and for applications where airbox modification improves the engine's performance, in most cases power increases of approximately 8 percent can be achieved. Each Dynojet jet kit includes comprehensive instructions which show step-by-step installation and testing procedures to ensure a perfect setup every time. This is backed by free telephone and Internet support to Dynojet customers.