Connecting Rod

Restore bottom-end reliability with a forged PROX connecting rod kit. This Connecting Rod Kit is designed for 450cc 4-stroke engines and uses a forged steel barreled rod for high strength under load. It’s ideal for rebuilds where you want dependable fitment and smooth operation without hunting for individual parts.

By replacing worn connecting-rod components, you reduce play and friction in the crank assembly, helping prevent costly engine damage and bringing back consistent performance.

Key features:

• ✅ Supplied as a kit: crankpin, big-end bearing, small-end bearing and washers
• ✅ Forged steel construction for durability and fatigue resistance
• ✅ Easy to install during a bottom-end rebuild

Benefits of use:

• 🔹 Helps restore correct crank/rod clearances for smoother running
• 🔹 Reduces risk of failure caused by worn rod bearings and pin surfaces
• 🔹 Convenient all-in-one kit saves time versus sourcing parts separately

Technical specifications:

• 📌 Engine type: 4-Stroke
• 📌 Displacement: 450 cc
• 📌 Material: Forged Steel
• 📌 Big End Bore: 42.00 mm
• 📌 Big End Width: 20.00 mm
• 📌 Length: 142.40 mm
• 📌 Center-to-Center Length: 101.00 mm
• 📌 Pin End Bore: 19.00 mm
• 📌 Pin End Bore Width: 18.00 mm
• 📌 Shaft Length: 70.50 mm
• 📌 Note: Thrust washers not included

Why choose this product/service?

• ⭐ PROX quality components widely used for engine rebuilds
• ⭐ Strong forged rod design for demanding riding and racing conditions
• ⭐ Kit format makes rebuild planning simpler and faster