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
Fit the models:
| HONDA |
TRX 250 X |
1987 |
| HONDA |
TRX 250 X |
1988 |
| HONDA |
TRX 250 X |
1991 |
| HONDA |
TRX 250 X |
1992 |
| HONDA |
TRX 300 EX |
1993 |
| HONDA |
TRX 300 EX |
1994 |
| HONDA |
TRX 300 EX |
1995 |
| HONDA |
TRX 300 EX |
1996 |
| HONDA |
TRX 300 EX |
1997 |
| HONDA |
TRX 300 EX |
1998 |
| HONDA |
TRX 300 EX |
1999 |
| HONDA |
TRX 300 EX |
2000 |
| HONDA |
TRX 300 EX |
2001 |
| HONDA |
TRX 300 EX |
2002 |
| HONDA |
TRX 300 EX |
2003 |
| HONDA |
TRX 300 EX |
2004 |
| HONDA |
TRX 300 EX |
2005 |
| HONDA |
TRX 300 EX |
2006 |
| HONDA |
TRX 300 EX |
2007 |
| HONDA |
TRX 300 EX |
2008 |

Kibblewhite Precision Machining, Inc. (KPMI) is a U.S.-based manufacturer founded in 1939, specializing in high-performance valvetrain components for motorcycles and motorsports. Headquartered in Pacifica, California, KPMI is known for precision-engineered valves, springs, guides, and related parts, serving a global market including sportbikes, dirt bikes, and custom builds.
| Brand |
Model |
Year |
Name |
CC |
| HONDA |
TRX |
1993 |
Fourtrax |
300 |
| HONDA |
TRX |
1994 |
Fourtrax |
300 |
| HONDA |
TRX |
1995 |
Fourtrax |
300 |
| HONDA |
TRX |
1996 |
Fourtrax |
300 |
| HONDA |
TRX |
1997 |
Fourtrax |
300 |
| HONDA |
TRX |
1998 |
Fourtrax |
300 |
| HONDA |
TRX |
1999 |
Fourtrax |
300 |
| HONDA |
TRX |
2000 |
Fourtrax |
300 |
| HONDA |
TRX |
1993 |
Fourtrax |
300 |
| HONDA |
TRX |
1994 |
Fourtrax |
300 |
| HONDA |
TRX |
1995 |
Fourtrax |
300 |
| HONDA |
TRX |
1996 |
Fourtrax |
300 |
| HONDA |
TRX |
1997 |
Fourtrax |
300 |
| HONDA |
TRX |
1998 |
Fourtrax |
300 |
| HONDA |
TRX |
1999 |
Fourtrax |
300 |
| HONDA |
TRX |
2000 |
Fourtrax |
300 |
| HONDA |
TRX |
1993 |
Sportrax |
300 |
| HONDA |
TRX |
1994 |
Sportrax |
300 |
| HONDA |
TRX |
1995 |
Sportrax |
300 |
| HONDA |
TRX |
1996 |
Sportrax |
300 |
| HONDA |
TRX |
1997 |
Sportrax |
300 |
| HONDA |
TRX |
1998 |
Sportrax |
300 |
| HONDA |
TRX |
1999 |
Sportrax |
300 |
| HONDA |
TRX |
2000 |
Sportrax |
300 |
| HONDA |
TRX |
2001 |
Sportrax |
300 |
| HONDA |
TRX |
2002 |
Sportrax |
300 |
| HONDA |
TRX |
2003 |
Sportrax |
300 |
| HONDA |
TRX |
2004 |
Sportrax |
300 |
| HONDA |
TRX |
2005 |
Sportrax |
300 |
| HONDA |
TRX |
2006 |
Sportrax |
300 |
| HONDA |
TRX |
2007 |
Sportrax |
300 |
| HONDA |
TRX |
2008 |
Sportrax |
300 |
| HONDA |
TRX |
1987 |
|
250 |
| HONDA |
TRX |
1988 |
|
250 |
| HONDA |
TRX |
1987 |
Fourtrax |
250 |
| HONDA |
TRX |
1988 |
Fourtrax |
250 |
| HONDA |
TRX |
1991 |
Fourtrax |
250 |
| HONDA |
TRX |
1992 |
Fourtrax |
250 |
| HONDA |
TRX |
1987 |
Fourtrax |
250 |
| HONDA |
TRX |
2001 |
Fourtrax |
300 |