Upgrade your KTM with the ProX 03.6323 Connecting Rod Kit, expertly engineered for 2003-2012 KTM 250 SX and 2004-2012 250/300 EXC/XC/XCW models. This high-performance kit includes a forged connecting rod, crankpin, and bearings, ensuring durability and maximum lubrication.
Precision-crafted to meet OEM specifications, it provides superior strength for high-RPM applications. Fast, free shipping with tracking ensures your parts arrive safely. Professional installation is recommended for optimal performance.
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ProX Racing Parts Performance Connecting Rod Kit
Technical Specifications
- Manufacturer: ProX Racing Parts
- Part Number: 03.6323
- Center-to-Center Length: 125.00 mm
- Big End Bore Diameter: 30.00 mm
- Big End Width: 16.90 mm
- Small End Bore Diameter: 22.00 mm
- Small End Width: 16.90 mm
- Crankpin Diameter (Pin Width): 24.00 mm
- Crankpin Length: 60.00 mm
- Kit Components Included: Forged Connecting Rod, Crankpin, Big-End Needle Bearing, Small-End Wrist Pin Bearing, and Thrust Washers
Product Overview
This ProX Racing Parts Complete Connecting Rod Kit (MPN: 03.6323) is manufactured by leading Japanese OEM factories to meet exact original equipment specifications and tolerances. Double-forged from tough Japanese alloys, this kit maintains superior strength, durability, and dimensional consistency through improved grain flow. Precise engineering features include barreled and shot-peened surface treatments to eliminate residual stress, alongside strategically placed oiling slots designed to maximize lower rod lubrication and significantly extend bearing lifespan under high-RPM racing conditions.
Vehicle Application Matrix
| Make |
Model |
Submodel / Trim (Engine Type) |
Year Range |
OEM Cross-Reference Reference |
| KTM |
250 SX |
2-Stroke |
2003 - 2021 |
548.30.015.044 / 54830015144 / 54830015244 |
| KTM |
250 EXC / XC / XC-W / TPI |
2-Stroke |
2004 - 2021 |
548.30.015.044 / 54830015144 / 54830015244 |
| KTM |
300 EXC / XC / XC-W / TPI |
2-Stroke |
2004 - 2021 |
548.30.015.044 / 54830015144 / 54830015244 |
| Husqvarna |
TC 250 / TE 250 / TE 300 / i / TPI |
2-Stroke |
2014 - 2021 |
548.30.015.044 / 54830015144 / 54830015244 |
| GasGas |
MC 250 / EC 250 / EC 300 / EX 300 |
2-Stroke |
2021 - 2024 |
548.30.015.044 / 54830015144 / 54830015244 |
| Husaberg |
TE 250 / TE 300 |
2-Stroke |
2011 - 2014 |
548.30.015.044 / 54830015144 / 54830015244 |
CRITICAL FITMENT WARNING:
This kit strictly fits the 250cc and 300cc 2-Stroke engines using OEM Crankshaft Part Numbers 54830015044, 54830015144, or 54830015244. Verify your factory service manual and engine generation prior to installation. It does NOT fit 4-Stroke models or engine variations outside the specified multi-generational splits. Professional installation by a certified powersports mechanic is highly recommended.