CARBS RS38 4CYL SET

RS Series Radial Flat Slide Carburetor

• Designed for inline four-cylinder performance to offer higher horsepower gains with the world's top motorcycle road race and drag race teams
• Offer smooth, controllable throttle response with precise fuel-metering demands with high-volume fuel/air required by race engines
• Flat throttle valve design provides the strongest signal for precise and instantaneous throttle response
• Accelerator pump spray nozzle shoots fuel directly into the intake tract for immediate engine response
• Check carb spacing to verify fitments; use spacing chart on how to check spacing
• Jetting may need to be changed per application, see chart for included jetting
• Float bowl vent allows atmospheric pressure into float bowl for fuel flow
• Larger-diameter spigot O.D.'s may require different mounting flanges
• Include adjustable accelerator pump and adjustable idle screw
• Adjustable throttle return spring allows spring return pressure
• Include enrichment starter system for easier cold starting
• Jet needle has easy adjustment slots for quick tuning
• Made in Japan