Upgrade your Wildcat 223cc engine with the EC Pinnacle-Series Forged Connecting Rod (Part #8281) — a high-strength, lightweight performance rod engineered for demanding racing conditions. Precision-forged for durability and CNC-machined for exacting tolerances, this 3.353-inch rod is designed to optimize piston height, compression, and overall engine reliability.

Why Forged? Forged vs. Billet Rods

Unlike traditional billet rods, forged rods begin as solid billet ingots that are die-hammered into shape. This forging process realigns the metal’s grain structure, increasing density and improving both strength and ductility. The result is a stronger, lighter connecting rod with superior fatigue resistance and performance longevity — ideal for high-RPM applications.

Built for the Wildcat 223

The EC 8281 rod is purpose-built for Wildcat 223 engines and blocks, moving the flat-top piston to zero deck height for maximum compression and power output. It's also a flexible solution for other engine builds, including the Predator 224, when paired with the Wildcat 70mm piston (may require piston decking for zero deck).

Rod Specifications

• Rod Length: 3.353 inches (center-to-center)

• Weight (no bearings): 135 grams

• Wrist Pin Journal: 18mm (17.96mm / 0.7086") – compatible with Clone/Predator pistons

• Crankshaft Journal: 1.180 inches – standard Honda/Clone journal size

Rod Assembly Components (Sold Separately or as a Kit)

• EC 8281 Forged Connecting Rod

• EC 8394 Rod Bearings

• EC 8383 Rod Bolts

 Installation Instructions

Engine Compatibility

• Wildcat 223cc Engines

• Predator 224 (with Wildcat 70mm piston; may require piston decking)

• Other Clone-Based Builds using compatible stroke, deck height, and compression height combos

Why Choose EC's Pinnacle-Series Forged Rods?

• Designed for high-performance karting and mini bike builds

• Improved strength-to-weight ratio

• CNC-machined for precision fitment

• Ideal for maximizing compression and efficiency

• Backed by EC’s racing expertise and quality assurance

FAQ

Q1: What engines does the EC 8281 rod fit?
A1: The 8281 rod is designed for Wildcat 223 engines but is also compatible with other clone-based engines, including the Predator 224, depending on your piston, deck height, and stroke configuration.

Q2: What is the benefit of using a forged rod over a billet rod?
A2: Forged rods are stronger and more ductile due to grain realignment during the forging process. This results in a lighter yet more durable rod, making it ideal for high-performance and high-RPM applications.

Q3: What piston and crankshaft combinations work with this rod?
A3: This rod works with 18mm wrist pin pistons (e.g., Clone/Predator) and crankshafts with a 1.180" journal. For example, in a Predator 224 using a Wildcat 70mm piston, the piston may pop up ~0.010", requiring decking for zero deck.

Q4: Do I need to modify anything to install this rod?
A4: Depending on your specific build, you may need to modify piston height or ensure compatibility with crank stroke and deck height. Always check clearance and compression height before final assembly.

Q5: Where can I find installation instructions?
A5: You can access the full installation guide at:
https://www.eccarburetors.com/pinnacle-billet-honda-clone-connecting-rod-installation-guide