• 4.3 grams per second fuel delivery rate• Fits either 96″ or 103″ Twin Cam engines• Recommended for stock to mild performance engines under 90 horsepower to the rear wheel• Upgraded 25° angle spray• 4 spray hole nozzle• Best fit for bikes with OEM 46mm, OEM 50mm, SE 58mm throttle body• OEM 27609-01B