Connecting Rod Kit

Rebuild your 250cc 4-stroke bottom end with confidence using the PROX Connecting Rod Kit. Made from forged steel, this barreled connecting rod is designed for durability and consistent performance under high load. Because it comes as a complete kit with the essential wear components, it helps you complete a rebuild faster and with fewer compatibility worries.

If you’re dealing with big-end play, noise, or you’re planning a preventative engine refresh, this kit provides the core parts needed to restore smooth operation and reliability—ideal for workshop rebuilds or serious home mechanics.

Key features:

• ✅ Complete kit supplied with crankpin, big-end bearing, small-end bearing and washers
• ✅ Forged steel construction for strength and long service life
• ✅ Easy to install during crankshaft/rod service work

Benefits of use:

• 🔹 Helps restore tight tolerances and reliable bottom-end performance
• 🔹 Saves time by including the critical bearings and washers in one package
• 🔹 Strong forged material choice suited to demanding riding and rebuild intervals

Technical specifications:

• 📌 Type: Barreled rod
• 📌 Big end bore: 38.00 mm | Big end width: 18.00 mm
• 📌 Overall length: 129.45 mm | Center-to-center: 92.50 mm
• 📌 Pin end bore: 16.00 mm | Pin end bore width: 15.00 mm
• 📌 Shaft length: 65.50 mm
• 📌 Displacement / engine type: 250 cc, 4-stroke
• 📌 Material: Forged steel
• 📌 Brand / part no.: PROX 03.2414

Why choose this product?

• ⭐ Proven PROX quality for engine rebuild components
• ⭐ Complete kit format for a smoother, more straightforward rebuild
• ⭐ A practical choice for riders who want dependable performance after service