Spring Kit - Intake Only Freeway Bar (Highway Bar) 1973 Yamaha TX500 | 1973 Semi-Floating

Spring Kit Intake Only Freeway Bar (Highway Bar) 1973 Yamaha TX500 1973 Semi Floating 1973 Yamaha TX500 1973 Yamaha TX650 1974 Yamaha TX500 1974 Yamaha TX650 1974 Yamaha TX750 1975 Yamaha XS500 1976 Yamaha XS500 1977 Yamaha XS 650 1977 Yamaha XS500 1977 Yamaha XS750 1978 Yamaha SR500 1978 Yamaha XS 650 1978 Yamaha XS 650 S Special 1978 Yamaha XS500 1978 Yamaha XS750 1978 Yamaha XS750S 1979 Yamaha SR500 1979 Yamaha XS 650 1979 Yamaha XS 650 S Special 1979 Yamaha XS1100S Special 1979 Yamaha XS750 1979 Yamaha XS750S 1980 Yamaha SR500 1980 Yamaha XS 650 S Special 1980 Yamaha XS 650 Special II 1980 Yamaha XS1100L Mid Special 1980 Yamaha XS1100S Special 1981 Yamaha SR500 1981 Yamaha XS 650 S Special 1981 Yamaha XS 650 Special II 1981 Yamaha XS1100L Mid Special 1981 Yamaha XS1100S Special This is necessary for models which lose peak RPM because the sensor reads too hot Includes forged one piece stainless steel intake valves Components are created using Finite Element Analysis (F