One of our core product line, where we became famous with. Our ProX Connecting Rod Kits are made out of the toughest alloys available today and are made in Japan! O.E.M specifications and tolerances are meticulously maintained, a guarantee for easy installation and trouble free performance. Find our connecting rod dimension overview here.
ProX Rod Kit Features
Manufactured by leading Japanese OEM factories.
Designed to exact OEM specifications to be a direct and cost efficient OEM replacement.
Complete line for Dirtbike, ATV, PWC and 50cc/scooter available from stock.
Double forged on dedicated forgings
This process maintains superior strength, durability and dimensional consistency through improved grain flow.
Shot peening & barrelling
The design of a connecting rod is very important to guarantee the lifespan and the performance. Our connecting rods are barrelled and shot peened to improve the surface texture. Shot peening eliminates residual stress and smoothly blends the forging surfaces.
Oiling system
Our ProX oiling slots are precisely located to maximize lower rod oiling and extend bearing life. Even under the most extreme conditions the rod will do its job. ProX Connecting Rod Kits come complete with Crankpin, Big-End Bearing, Small End Bearing and Washers.
The PROX Piston Kit (Part Number: 01.2427.A) is designed for Yamaha YZ426F models from 2000 to 2002 and WR426F models from 2001 to 2002, offering reliable performance and durability. This kit includes a high-quality piston, rings, and necessary components to ensure optimal engine operation and longevity. Engineered for precision, the PROX piston delivers consistent power and smooth operation, making it an excellent choice for enthusiasts and professional mechanics alike. The kit's specifications support a compression ratio of 12.5:1, providing improved horsepower and torque for motocross and off-road riding experiences. Crafted with attention to detail, the parts meet or exceed OEM standards, ensuring a perfect fit and lasting performance. Whether rebuilding or upgrading, this piston kit is a reliable solution to restore your motorcycle's engine to peak condition. Proper installation and maintenance will maximize the benefits of this premium component, delivering excellent value and performance over time.
Features:
- Designed for Yamaha YZ426F (2000-2002) and WR426F (2001-2002) models
- Includes piston, rings, and necessary components for complete installation
- High-performance piston with a 12.5:1 compression ratio for increased power
- Manufactured to meet or exceed OEM quality standards for durability and reliability
- Engineered for precise fit and optimal engine performance during rebuilds or upgrades
