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Product description
The Kibblewhite Black Diamond Engine Valve For Honda TRX250 X 1987-1992 Intake 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: Intake
- Head Diameter Imperial: 1.004"
- Head Diameter Metric: 25.50 mm
- Head Diameter: 1.004"
- Length Imperial: 3.680"
- Length: 3.680"
- Material: Stainless Steel
- Model: Black Diamond?
- Product Name: Valve
- Size Metric: Standard
- Size: Standard
- Stem Diameter Imperial: 0.2155"
To fit:
- HONDA TRX 250 X 1987 Fourtrax American Models
- HONDA TRX 250 X 1988 Fourtrax American Models
- HONDA TRX 250 X 1991 Fourtrax American Models
- HONDA TRX 250 X 1992 Fourtrax American Models
- HONDA TRX 300 EX 1993 Sportrax All Models
- HONDA TRX 300 EX 1994 Sportrax All Models
- HONDA TRX 300 EX 1995 Sportrax All Models
- HONDA TRX 300 EX 1996 Sportrax All Models
- HONDA TRX 300 EX 1997 Sportrax All Models
- HONDA TRX 300 EX 1998 Sportrax All Models
- HONDA TRX 300 EX 1999 Sportrax All Models
- HONDA TRX 300 EX 2000 Sportrax All Models
- HONDA TRX 300 EX 2001 Sportrax All Models
- HONDA TRX 300 EX 2002 Sportrax All Models
- HONDA TRX 300 EX 2003 Sportrax All Models
- HONDA TRX 300 EX 2004 Sportrax All Models
- HONDA TRX 300 EX 2005 Sportrax All Models
- HONDA TRX 300 EX 2006 Sportrax All Models
- HONDA TRX 300 EX 2007 Sportrax All Models
- HONDA TRX 300 EX 2008 Sportrax All Models
Manufacturer part number: 30-30088
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite Black Diamond Engine Valve For Honda TRX250 X 1987-1992 Intake Standard
To fit:
- HONDA TRX 250 X 1987 Fourtrax American Models
- HONDA TRX 250 X 1988 Fourtrax American Models
- HONDA TRX 250 X 1991 Fourtrax American Models
- HONDA TRX 250 X 1992 Fourtrax American Models
- HONDA TRX 300 EX 1993 Sportrax All Models
- HONDA TRX 300 EX 1994 Sportrax All Models
- HONDA TRX 300 EX 1995 Sportrax All Models
- HONDA TRX 300 EX 1996 Sportrax All Models
- HONDA TRX 300 EX 1997 Sportrax All Models
- HONDA TRX 300 EX 1998 Sportrax All Models
- HONDA TRX 300 EX 1999 Sportrax All Models
- HONDA TRX 300 EX 2000 Sportrax All Models
- HONDA TRX 300 EX 2001 Sportrax All Models
- HONDA TRX 300 EX 2002 Sportrax All Models
- HONDA TRX 300 EX 2003 Sportrax All Models
- HONDA TRX 300 EX 2004 Sportrax All Models
- HONDA TRX 300 EX 2005 Sportrax All Models
- HONDA TRX 300 EX 2006 Sportrax All Models
- HONDA TRX 300 EX 2007 Sportrax All Models
- HONDA TRX 300 EX 2008 Sportrax 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 TRX250 X 1987-1992 Intake 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: Intake
- Head Diameter Imperial: 1.004"
- Head Diameter Metric: 25.50 mm
- Head Diameter: 1.004"
- Length Imperial: 3.680"
- Length: 3.680"
- Material: Stainless Steel
- Model: Black Diamond?
- Product Name: Valve
- Size Metric: Standard
- Size: Standard
- Stem Diameter Imperial: 0.2155"
To fit:
- HONDA TRX 250 X 1987 Fourtrax American Models
- HONDA TRX 250 X 1988 Fourtrax American Models
- HONDA TRX 250 X 1991 Fourtrax American Models
- HONDA TRX 250 X 1992 Fourtrax American Models
- HONDA TRX 300 EX 1993 Sportrax All Models
- HONDA TRX 300 EX 1994 Sportrax All Models
- HONDA TRX 300 EX 1995 Sportrax All Models
- HONDA TRX 300 EX 1996 Sportrax All Models
- HONDA TRX 300 EX 1997 Sportrax All Models
- HONDA TRX 300 EX 1998 Sportrax All Models
- HONDA TRX 300 EX 1999 Sportrax All Models
- HONDA TRX 300 EX 2000 Sportrax All Models
- HONDA TRX 300 EX 2001 Sportrax All Models
- HONDA TRX 300 EX 2002 Sportrax All Models
- HONDA TRX 300 EX 2003 Sportrax All Models
- HONDA TRX 300 EX 2004 Sportrax All Models
- HONDA TRX 300 EX 2005 Sportrax All Models
- HONDA TRX 300 EX 2006 Sportrax All Models
- HONDA TRX 300 EX 2007 Sportrax All Models
- HONDA TRX 300 EX 2008 Sportrax All Models
Manufacturer part number: 30-30088
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite Black Diamond Engine Valve For Honda TRX250 X 1987-1992 Intake Standard
To fit:
- HONDA TRX 250 X 1987 Fourtrax American Models
- HONDA TRX 250 X 1988 Fourtrax American Models
- HONDA TRX 250 X 1991 Fourtrax American Models
- HONDA TRX 250 X 1992 Fourtrax American Models
- HONDA TRX 300 EX 1993 Sportrax All Models
- HONDA TRX 300 EX 1994 Sportrax All Models
- HONDA TRX 300 EX 1995 Sportrax All Models
- HONDA TRX 300 EX 1996 Sportrax All Models
- HONDA TRX 300 EX 1997 Sportrax All Models
- HONDA TRX 300 EX 1998 Sportrax All Models
- HONDA TRX 300 EX 1999 Sportrax All Models
- HONDA TRX 300 EX 2000 Sportrax All Models
- HONDA TRX 300 EX 2001 Sportrax All Models
- HONDA TRX 300 EX 2002 Sportrax All Models
- HONDA TRX 300 EX 2003 Sportrax All Models
- HONDA TRX 300 EX 2004 Sportrax All Models
- HONDA TRX 300 EX 2005 Sportrax All Models
- HONDA TRX 300 EX 2006 Sportrax All Models
- HONDA TRX 300 EX 2007 Sportrax All Models
- HONDA TRX 300 EX 2008 Sportrax 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.































