95 inch Twin Cam Piston Set .005 The Keith Black 390 hypereutectic alloy is cast in a permanent steel mold which makes it possible to build a light weight piston that makes more power and uses less fuel and lasts...

95 inch Twin Cam Piston Set .010 The Keith Black 390 hypereutectic alloy is cast in a permanent steel mold which makes it possible to build a light weight piston that makes more power and uses less fuel and lasts...

95 inch Twin Cam Piston Set Standard The Keith Black 390 hypereutectic alloy is cast in a permanent steel mold which makes it possible to build a light weight piston that makes more power and uses less fuel and lasts...

KB 107 inch Twin Cam Forged Piston Set **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings. Measurements: Weight: 651 Grams Tech Notes:...

.005 Kick Starter Bushings Kick starter bushing is .005 oversize and includes 1 seal. Measurements: Inner Diameter: 3/4 inches FITS Harley Davidson EL 1936 Harley Davidson EL 1937 Harley Davidson EL 1938 Harley Davidson EL 1939 Harley Davidson EL 1940...

1.812 Racing Nitrate Exhaust Valve Exhaust valve racing is 1/16 inch oversize. Measurements: Tulip: 29 FITS Harley Davidson FL 1948 Harley Davidson FL 1949 Harley Davidson FL 1950 Harley Davidson FL 1951 Harley Davidson FL 1952 Harley Davidson FL 1953...

1000cc Black Diamond Stem Oversize Intake Valve Black diamond intake valve is 1/16 inch oversize. Intake valve is 3.63 inch long. Measurements: Tulip: 23 FITS Harley Davidson XL 1970 Harley Davidson XL 1971 Harley Davidson XL 1972 Harley Davidson XL...

1000cc Stainless Black Diamond Intake Valve Intake valve black diamond Measurements: Tulip: 23 FITS Harley Davidson XL 1970 Harley Davidson XL 1971 Harley Davidson XL 1972 Harley Davidson XL 1973 Harley Davidson XL 1974 Harley Davidson XL 1975 Harley Davidson...

1100cc Stainless Black Diamond Exhaust Valve Black diamond exhaust valve Measurements: Tulip: 40 FITS Harley Davidson XL 1986

1200cc Black Diamond Stem Exhaust Valve Special conversion valve used to convert 883 cylinder heads to 1200cc. Valve has 883 stem length but 1200 head diameter for increased flow. Measurements: Tulip: 40 FITS Harley Davidson XL 1986 Harley Davidson XL...

1200cc Black Diamond Stem Exhaust Valve Black diamond exhaust valve Measurements: Tulip: 40 FITS Harley Davidson XL 1988 Harley Davidson XL 1989 Harley Davidson XL 1990 Harley Davidson XL 1991 Harley Davidson XL 1992 Harley Davidson XL 1993 Harley Davidson...

1200cc Black Diamond Stem Exhaust Valve Black diamond exhaust valve. FITS Harley Davidson XL 2004 Harley Davidson XL 2005 Harley Davidson XL 2006 Harley Davidson XL 2007 Harley Davidson XL 2008 Harley Davidson XL 2009 Harley Davidson XL 2010 Harley...

1200cc Black Diamond Stem Intake Valve Special conversion valve used to convert 883 cylinder heads to 1200cc. Valve has 883 stem length but 1200 head diameter for increased flow. Measurements: Tulip: 23 FITS Harley Davidson XL 1986 Harley Davidson XL...

1200cc Black Diamond Stem Intake Valve Black diamond intake valve Measurements: Tulip: 23 FITS Harley Davidson XL 1988 Harley Davidson XL 1989 Harley Davidson XL 1990 Harley Davidson XL 1991 Harley Davidson XL 1992 Harley Davidson XL 1993 Harley Davidson...

1200cc Black Diamond Stem Intake Valve Black diamond intake valve. FITS Harley Davidson XL 2004 Harley Davidson XL 2005 Harley Davidson XL 2006 Harley Davidson XL 2007 Harley Davidson XL 2008 Harley Davidson XL 2009 Harley Davidson XL 2010 Harley...

2.00 Black Diamond Nitrate Intake Valve Precision Machine intake valve is 1-/16 inch oversize. Measurements: Tulip: 23 FITS Harley Davidson FL 1966 Harley Davidson FL 1967 Harley Davidson FL 1968 Harley Davidson FL 1969 Harley Davidson FL 1970 Harley Davidson...

883-1200cc Black Diamond Exhaust Conversion Valve Special conversion valve used to convert 883 cylinder heads to 1200cc. Valve has 883 stem length but 1200 head diameter for increased flow. FITS Harley Davidson XL 2004 Harley Davidson XL 2005 Harley Davidson...

883-1200cc Black Diamond Intake Conversion Valve Special conversion valve used to convert 883 cylinder heads to 1200cc. Valve has 883 stem length but 1200 head diameter for increased flow. FITS Harley Davidson XL 2004 Harley Davidson XL 2005 Harley Davidson...

883cc Black Diamond Stem Exhaust Valve Black diamond exhaust valve Measurements: Tulip: 17 FITS Harley Davidson XL 1986 Harley Davidson XL 1987 Harley Davidson XL 1988 Harley Davidson XL 1989 Harley Davidson XL 1990 Harley Davidson XL 1991 Harley Davidson...

883cc Black Diamond Stem Intake Valve Black diamond intake valve Measurements: Tulip: 23 FITS Harley Davidson XL 1986 Harley Davidson XL 1987 Harley Davidson XL 1988 Harley Davidson XL 1989 Harley Davidson XL 1990 Harley Davidson XL 1991 Harley Davidson...

900/1000cc Black Diamond Stem Exhaust Valve Black diamond exhaust valve is 1/16 inch oversize. Measurements: Tulip: 29 FITS Harley Davidson XL 1957 Harley Davidson XL 1958 Harley Davidson XL 1959 Harley Davidson XL 1960 Harley Davidson XL 1961 Harley Davidson...

900/1000cc Stainless Black Diamond Exhaust Valve Black Diamond Exhaust Valve for Ironhead Sportster l958- 1984 are made of 21-2N heat treated non-magnetic stainless steel. Measurements: Tulip: 29 FITS Harley Davidson XL 1958 Harley Davidson XL 1959 Harley Davidson XL 1960...

900/1000cc Stainless Black Diamond Exhaust Valve black diamond exhaust valve Measurements: Tulip: 29 FITS Harley Davidson XL 1958 Harley Davidson XL 1959 Harley Davidson XL 1960 Harley Davidson XL 1961 Harley Davidson XL 1962 Harley Davidson XL 1963 Harley Davidson...

900cc Stainless Black Diamond Intake Valve Black diamond intake valve is standard size. Measurements: Tulip: 23 FITS Harley Davidson XL 1958 Harley Davidson XL 1959 Harley Davidson XL 1960 Harley Davidson XL 1961 Harley Davidson XL 1962 Harley Davidson XL...