Product description
The Prox Piston Kit For KTM EXC450 Racing 2003-2007 Standard Size B is part of the latest collection from Prox.
Features:
Specifications:
- Compression Ratio: 11
- Engine Type: 4-Stroke
- Piston Diameter: 88.96 mm
- Piston Material: Aluminum Alloy| Forged
- Piston Size: Standard Size B
- Product Name: Piston Kit
- Ring Material: Steel
- Style: Forged Replica
- Units: Kit
To fit:
- BETA RR 450 2006 European Models
- BETA RR 450 2007 European Models
- BETA RR 450 2008 European Models
- BETA RR 450 2009 Racing European Models
- BETA RR 450 2009 European Models
- KTM EXC 450 RACING 2003 European Models
- KTM EXC 450 RACING 2004 European Models
- KTM EXC 450 RACING 2005 European Models
- KTM EXC 450 RACING 2006 European Models
- KTM EXC 450 RACING 2007 European Models
- KTM XC 450 ATV 2008 All Models
- KTM XC 450 ATV 2009 All Models
- POLARIS OUTLAW 450 MXR 2009 All Models
- POLARIS OUTLAW 450 MXR 2010 All Models
Manufacturer part number: 01.6413.B
View all Prox. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Prox Piston Kit For KTM EXC450 Racing 2003-2007 Standard Size B
To fit:
- BETA RR 450 2006 European Models
- BETA RR 450 2007 European Models
- BETA RR 450 2008 European Models
- BETA RR 450 2009 Racing European Models
- BETA RR 450 2009 European Models
- KTM EXC 450 RACING 2003 European Models
- KTM EXC 450 RACING 2004 European Models
- KTM EXC 450 RACING 2005 European Models
- KTM EXC 450 RACING 2006 European Models
- KTM EXC 450 RACING 2007 European Models
- KTM XC 450 ATV 2008 All Models
- KTM XC 450 ATV 2009 All Models
- POLARIS OUTLAW 450 MXR 2009 All Models
- POLARIS OUTLAW 450 MXR 2010 All Models

ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.
Product description
The Prox Piston Kit For KTM EXC450 Racing 2003-2007 Standard Size B is part of the latest collection from Prox.
Features:
Specifications:
- Compression Ratio: 11
- Engine Type: 4-Stroke
- Piston Diameter: 88.96 mm
- Piston Material: Aluminum Alloy| Forged
- Piston Size: Standard Size B
- Product Name: Piston Kit
- Ring Material: Steel
- Style: Forged Replica
- Units: Kit
To fit:
- BETA RR 450 2006 European Models
- BETA RR 450 2007 European Models
- BETA RR 450 2008 European Models
- BETA RR 450 2009 Racing European Models
- BETA RR 450 2009 European Models
- KTM EXC 450 RACING 2003 European Models
- KTM EXC 450 RACING 2004 European Models
- KTM EXC 450 RACING 2005 European Models
- KTM EXC 450 RACING 2006 European Models
- KTM EXC 450 RACING 2007 European Models
- KTM XC 450 ATV 2008 All Models
- KTM XC 450 ATV 2009 All Models
- POLARIS OUTLAW 450 MXR 2009 All Models
- POLARIS OUTLAW 450 MXR 2010 All Models
Manufacturer part number: 01.6413.B
View all Prox. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Prox Piston Kit For KTM EXC450 Racing 2003-2007 Standard Size B
To fit:
- BETA RR 450 2006 European Models
- BETA RR 450 2007 European Models
- BETA RR 450 2008 European Models
- BETA RR 450 2009 Racing European Models
- BETA RR 450 2009 European Models
- KTM EXC 450 RACING 2003 European Models
- KTM EXC 450 RACING 2004 European Models
- KTM EXC 450 RACING 2005 European Models
- KTM EXC 450 RACING 2006 European Models
- KTM EXC 450 RACING 2007 European Models
- KTM XC 450 ATV 2008 All Models
- KTM XC 450 ATV 2009 All Models
- POLARIS OUTLAW 450 MXR 2009 All Models
- POLARIS OUTLAW 450 MXR 2010 All Models

ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.
































