Product description
The Kibblewhite Nitrided Valve For Harley Davidson XL 900 1957-1959 Intake Standard is part of the latest collection from Kibblewhite.
Features:
- One-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction
- This process provides resistance to corrosion; wears superior to hard chromium and electrolysis nickel-plating
- Lightweight with profiles that provide excellent flow characteristics
- Compatible with leaded and unleaded fuels and can be run in cast iron- and bronze-type guides at close tolerances for maximum oil control and heat dissipation
- Made in the USA
Specifications:
- Application: Intake
- Head Diameter Imperial: 1.825"
- Head Diameter: 1.825"
- Length Imperial: 3.562"
- Length: 3.562"
- Material: Stainless Steel
- Model: Black Diamondâ¢
- Product Name: Valve
- Size Imperial: Standard
- Size: Standard
- Stem Diameter Imperial: 0.3090"
- Stem Diameter: 0.3090"
To fit:
- Harley Davidson XLCH 900 1958 Sportster All Models
- Harley Davidson XLCH 900 1959 Sportster All Models
- Harley Davidson XLCH 900 1960 Sportster All Models
- Harley Davidson XLCH 900 1961 Sportster All Models
- Harley Davidson XLCH 900 1962 Sportster All Models
- Harley Davidson XLCH 900 1963 Sportster All Models
- Harley Davidson XLCH 900 1964 Sportster All Models
- Harley Davidson XLCH 900 1965 Sportster All Models
- Harley Davidson XLCH 900 1966 Sportster All Models
- Harley Davidson XLCH 900 1967 Sportster All Models
- Harley Davidson XLCH 900 1968 Sportster All Models
- Harley Davidson XLCH 900 1969 Sportster All Models
- Harley Davidson XLC 900 1958 Sportster All Models
- Harley Davidson XLH 900 1958 Sportster All Models
- Harley Davidson XLH 900 1959 Sportster All Models
- Harley Davidson XLH 900 1960 Sportster All Models
- Harley Davidson XLH 900 1961 Sportster All Models
- Harley Davidson XLH 900 1962 Sportster All Models
- Harley Davidson XLH 900 1963 Sportster All Models
- Harley Davidson XLH 900 1964 Sportster All Models
- Harley Davidson XLH 900 1965 Sportster All Models
- Harley Davidson XLH 900 1966 Sportster All Models
- Harley Davidson XLH 900 1967 Sportster All Models
- Harley Davidson XLH 900 1968 Sportster All Models
- Harley Davidson XLH 900 1969 Sportster All Models
- Harley Davidson XL 900 1957 Sportster All Models
- Harley Davidson XL 900 1958 Sportster All Models
- Harley Davidson XL 900 1959 Sportster All Models
Manufacturer part number: 20-4258
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite Nitrided Valve For Harley Davidson XL 900 1957-1959 Intake Standard
To fit:
- Harley Davidson XLCH 900 1958 Sportster All Models
- Harley Davidson XLCH 900 1959 Sportster All Models
- Harley Davidson XLCH 900 1960 Sportster All Models
- Harley Davidson XLCH 900 1961 Sportster All Models
- Harley Davidson XLCH 900 1962 Sportster All Models
- Harley Davidson XLCH 900 1963 Sportster All Models
- Harley Davidson XLCH 900 1964 Sportster All Models
- Harley Davidson XLCH 900 1965 Sportster All Models
- Harley Davidson XLCH 900 1966 Sportster All Models
- Harley Davidson XLCH 900 1967 Sportster All Models
- Harley Davidson XLCH 900 1968 Sportster All Models
- Harley Davidson XLCH 900 1969 Sportster All Models
- Harley Davidson XLC 900 1958 Sportster All Models
- Harley Davidson XLH 900 1958 Sportster All Models
- Harley Davidson XLH 900 1959 Sportster All Models
- Harley Davidson XLH 900 1960 Sportster All Models
- Harley Davidson XLH 900 1961 Sportster All Models
- Harley Davidson XLH 900 1962 Sportster All Models
- Harley Davidson XLH 900 1963 Sportster All Models
- Harley Davidson XLH 900 1964 Sportster All Models
- Harley Davidson XLH 900 1965 Sportster All Models
- Harley Davidson XLH 900 1966 Sportster All Models
- Harley Davidson XLH 900 1967 Sportster All Models
- Harley Davidson XLH 900 1968 Sportster All Models
- Harley Davidson XLH 900 1969 Sportster All Models
- Harley Davidson XL 900 1957 Sportster All Models
- Harley Davidson XL 900 1958 Sportster All Models
- Harley Davidson XL 900 1959 Sportster All Models

Kibblewhite Precision Machining is a top-tier manufacturer of high performance valvetrain components for motorcycles, ATVs, and powersports engines. Known for engineering excellence and race proven reliability, Kibblewhite produces valves, springs, and guides used by professionals and enthusiasts alike. Their products are crafted in the USA for maximum strength, durability, and precision.
Product description
The Kibblewhite Nitrided Valve For Harley Davidson XL 900 1957-1959 Intake Standard is part of the latest collection from Kibblewhite.
Features:
- One-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction
- This process provides resistance to corrosion; wears superior to hard chromium and electrolysis nickel-plating
- Lightweight with profiles that provide excellent flow characteristics
- Compatible with leaded and unleaded fuels and can be run in cast iron- and bronze-type guides at close tolerances for maximum oil control and heat dissipation
- Made in the USA
Specifications:
- Application: Intake
- Head Diameter Imperial: 1.825"
- Head Diameter: 1.825"
- Length Imperial: 3.562"
- Length: 3.562"
- Material: Stainless Steel
- Model: Black Diamondâ¢
- Product Name: Valve
- Size Imperial: Standard
- Size: Standard
- Stem Diameter Imperial: 0.3090"
- Stem Diameter: 0.3090"
To fit:
- Harley Davidson XLCH 900 1958 Sportster All Models
- Harley Davidson XLCH 900 1959 Sportster All Models
- Harley Davidson XLCH 900 1960 Sportster All Models
- Harley Davidson XLCH 900 1961 Sportster All Models
- Harley Davidson XLCH 900 1962 Sportster All Models
- Harley Davidson XLCH 900 1963 Sportster All Models
- Harley Davidson XLCH 900 1964 Sportster All Models
- Harley Davidson XLCH 900 1965 Sportster All Models
- Harley Davidson XLCH 900 1966 Sportster All Models
- Harley Davidson XLCH 900 1967 Sportster All Models
- Harley Davidson XLCH 900 1968 Sportster All Models
- Harley Davidson XLCH 900 1969 Sportster All Models
- Harley Davidson XLC 900 1958 Sportster All Models
- Harley Davidson XLH 900 1958 Sportster All Models
- Harley Davidson XLH 900 1959 Sportster All Models
- Harley Davidson XLH 900 1960 Sportster All Models
- Harley Davidson XLH 900 1961 Sportster All Models
- Harley Davidson XLH 900 1962 Sportster All Models
- Harley Davidson XLH 900 1963 Sportster All Models
- Harley Davidson XLH 900 1964 Sportster All Models
- Harley Davidson XLH 900 1965 Sportster All Models
- Harley Davidson XLH 900 1966 Sportster All Models
- Harley Davidson XLH 900 1967 Sportster All Models
- Harley Davidson XLH 900 1968 Sportster All Models
- Harley Davidson XLH 900 1969 Sportster All Models
- Harley Davidson XL 900 1957 Sportster All Models
- Harley Davidson XL 900 1958 Sportster All Models
- Harley Davidson XL 900 1959 Sportster All Models
Manufacturer part number: 20-4258
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite Nitrided Valve For Harley Davidson XL 900 1957-1959 Intake Standard
To fit:
- Harley Davidson XLCH 900 1958 Sportster All Models
- Harley Davidson XLCH 900 1959 Sportster All Models
- Harley Davidson XLCH 900 1960 Sportster All Models
- Harley Davidson XLCH 900 1961 Sportster All Models
- Harley Davidson XLCH 900 1962 Sportster All Models
- Harley Davidson XLCH 900 1963 Sportster All Models
- Harley Davidson XLCH 900 1964 Sportster All Models
- Harley Davidson XLCH 900 1965 Sportster All Models
- Harley Davidson XLCH 900 1966 Sportster All Models
- Harley Davidson XLCH 900 1967 Sportster All Models
- Harley Davidson XLCH 900 1968 Sportster All Models
- Harley Davidson XLCH 900 1969 Sportster All Models
- Harley Davidson XLC 900 1958 Sportster All Models
- Harley Davidson XLH 900 1958 Sportster All Models
- Harley Davidson XLH 900 1959 Sportster All Models
- Harley Davidson XLH 900 1960 Sportster All Models
- Harley Davidson XLH 900 1961 Sportster All Models
- Harley Davidson XLH 900 1962 Sportster All Models
- Harley Davidson XLH 900 1963 Sportster All Models
- Harley Davidson XLH 900 1964 Sportster All Models
- Harley Davidson XLH 900 1965 Sportster All Models
- Harley Davidson XLH 900 1966 Sportster All Models
- Harley Davidson XLH 900 1967 Sportster All Models
- Harley Davidson XLH 900 1968 Sportster All Models
- Harley Davidson XLH 900 1969 Sportster All Models
- Harley Davidson XL 900 1957 Sportster All Models
- Harley Davidson XL 900 1958 Sportster All Models
- Harley Davidson XL 900 1959 Sportster All Models

Kibblewhite Precision Machining is a top-tier manufacturer of high performance valvetrain components for motorcycles, ATVs, and powersports engines. Known for engineering excellence and race proven reliability, Kibblewhite produces valves, springs, and guides used by professionals and enthusiasts alike. Their products are crafted in the USA for maximum strength, durability, and precision.































