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Product description
The Kibblewhite Black Diamond Engine Valve For Honda CRF250R 2018-2021 Exhaust Standard is part of the latest collection from Kibblewhite.
Features:
- Black Diamond⢠valves are CNC machined from one-piece forgings of EV8 Stainless Steel
- Lightweight, strong, one piece forging with profiles that provide excellent flow characteristics
- Valve is infused by a special German process to a depth of .002, with a surface build up of .0002 which improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating
- Each valve is designed using Finite Element Analysis (F.E.A) software, and profiles are tested on a computerized flow bench
- Stems are coated with black nitroneg
- Made in the USA
Specifications:
- Application: Exhaust
- Head Diameter Imperial: 1.024"
- Head Diameter Metric: 26.00 mm
- Head Diameter: 1.024"
- Length Imperial: 3.175"
- Length: 3.175"
- Material: Stainless Steel
- Model: Black Diamondâ¢
- Product Name: Valve
- Size Metric: Standard
- Size: Standard
- Stem Diameter Imperial: 0.1956"
To fit:
- HONDA CRF 250 RX 2019 All Models
- HONDA CRF 250 RX 2020 All Models
- HONDA CRF 250 RX 2021 All Models
- HONDA CRF 250 R 2018 American Models
- HONDA CRF 250 R 2018 European Models
- HONDA CRF 250 R 2019 All Models
- HONDA CRF 250 R 2020 All Models
- HONDA CRF 250 R 2021 All Models
Manufacturer part number: 30-33616
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite Black Diamond Engine Valve For Honda CRF250R 2018-2021 Exhaust Standard
To fit:
- HONDA CRF 250 RX 2019 All Models
- HONDA CRF 250 RX 2020 All Models
- HONDA CRF 250 RX 2021 All Models
- HONDA CRF 250 R 2018 American Models
- HONDA CRF 250 R 2018 European Models
- HONDA CRF 250 R 2019 All Models
- HONDA CRF 250 R 2020 All Models
- HONDA CRF 250 R 2021 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 Black Diamond Engine Valve For Honda CRF250R 2018-2021 Exhaust Standard is part of the latest collection from Kibblewhite.
Features:
- Black Diamond⢠valves are CNC machined from one-piece forgings of EV8 Stainless Steel
- Lightweight, strong, one piece forging with profiles that provide excellent flow characteristics
- Valve is infused by a special German process to a depth of .002, with a surface build up of .0002 which improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating
- Each valve is designed using Finite Element Analysis (F.E.A) software, and profiles are tested on a computerized flow bench
- Stems are coated with black nitroneg
- Made in the USA
Specifications:
- Application: Exhaust
- Head Diameter Imperial: 1.024"
- Head Diameter Metric: 26.00 mm
- Head Diameter: 1.024"
- Length Imperial: 3.175"
- Length: 3.175"
- Material: Stainless Steel
- Model: Black Diamondâ¢
- Product Name: Valve
- Size Metric: Standard
- Size: Standard
- Stem Diameter Imperial: 0.1956"
To fit:
- HONDA CRF 250 RX 2019 All Models
- HONDA CRF 250 RX 2020 All Models
- HONDA CRF 250 RX 2021 All Models
- HONDA CRF 250 R 2018 American Models
- HONDA CRF 250 R 2018 European Models
- HONDA CRF 250 R 2019 All Models
- HONDA CRF 250 R 2020 All Models
- HONDA CRF 250 R 2021 All Models
Manufacturer part number: 30-33616
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite Black Diamond Engine Valve For Honda CRF250R 2018-2021 Exhaust Standard
To fit:
- HONDA CRF 250 RX 2019 All Models
- HONDA CRF 250 RX 2020 All Models
- HONDA CRF 250 RX 2021 All Models
- HONDA CRF 250 R 2018 American Models
- HONDA CRF 250 R 2018 European Models
- HONDA CRF 250 R 2019 All Models
- HONDA CRF 250 R 2020 All Models
- HONDA CRF 250 R 2021 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.































