SI-Series Bi-Metal Connecting Rod Bearings – Chevy 305/350/400 – 2.00mm Undersize

Engineered for dependable OE replacement and backed by industry-leading manufacturing standards, these SI-Series bi-metal connecting rod bearings are the ideal choice for Chevy 305, 350, and 400 small-block engines. Featuring steel backing and aluminum lining, this set provides durability, reliable oil clearance, and optimized performance under daily and moderate-duty use.

Technical Specifications:

Series: SI-Series
Make: Chevy
Engine Fitment: 305 / 350 / 400
Construction: Bi-Metal
Backing Layer: Steel
Lining Material: Aluminum
Coated: No
Chamfered: No
Grooved: No
Undersize: 2.00mm
Bearing Width: 0.8386"
Standard Bearing Thickness: 0.0619"
Crank Pin Diameter: 2.100"
Housing Diameter: 2.225"
Dowel Pin Hole: No
Quantity: Sold as Set (8/pkg)

Performance & Manufacturing Highlights:

Cutting-edge bearing technology for enhanced reliability
Higher load capacity with advanced bi-metal materials
Most consistent sizing in the industry for improved installation confidence
Preferred by aviation and performance racing industries
100% in-house design and manufacturing for unmatched quality control

Ideal Application:

Designed as a direct OE replacement, these bearings are perfect for builders seeking high-quality replacement rod bearings for Chevrolet small-block V8 engines. Whether you're performing a refresh or building a street-driven performance engine, this set delivers the reliability you demand.