S&s Cycle Super Stock Cylinder Head Kit - 90-1499 For Harley Motorcycles 1966-1984 Brand_Thundermax Installation requires 2 handlebar-sized holes

Installation requires 2 handlebar-sized holes to be cut in your stock nacelle

6 A Units Each

1967 Yamaha YR1 1968 Yamaha YR2 1968 Yamaha YR2 C 1969 Yamaha R3 Grand Prix 350 1975-1976 Yamaha DT250 1975-1976 Yamaha DT400 1976 Yamaha DT125 1976-1979 Yamaha IT400 1976-1979 Yamaha RD400 1976-1977 Yamaha TY250 1976-1984 Yamaha YZ 250 1976-1979 Yamaha YZ400 1977-1983 Yamaha IT250 1980 Yamaha IT425 1980-1981 Yamaha YZ465 1981 Yamaha IT465 1982 Yamaha IT 490 1982 Yamaha YZ 465 1982-1990 Yamaha YZ490 1983-1984 Yamaha IT490 1984-1985 Yamaha RZ350 1987-2006 Yamaha YFZ350 Banshee 1988 Yamaha YZ 125 1992-1993 Yamaha WR500

5800K light color temperature

S&s Cycle Super Stock Cylinder Head Kit - 90-1499 For Harley Motorcycles 1966-1984 Brand_Thundermax Installation requires 2 handlebar-sized holesNote: Single spark plug Features Heads come completely assembled with valve seats, valves, guides, seals, . 590" lift valve springs, collars and valve keepers Kit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructions Use OEM manifolds and exhaust Made in the U. S. A. Specs Product Name Cylinder Head Kit Style Stock Compression Model Super