ACL Bearings 5M909A-STD Aluglide Main Bearing Set Small Block Chevy

The ACL Bearings 5M909A-STD is an Aluglide main bearing set designed for Small Block Chevy engines including 267, 305, 327, and 350 cubic inch applications. This A-Series bearing kit provides standard size main bearings engineered for reliable performance in stock replacement and general purpose applications.

Aluglide Technology:

ACL's Aluglide bearings feature an advanced aluminum-tin-silicon alloy that delivers exceptional wear resistance, outstanding strength, and excellent load-carrying characteristics. This lead-free bearing material combines the proven advantages of aluminum-tin metals with silicon to create a next-generation high performance alloy. The unique composition provides superior seizure resistance and is the bearing of choice among many OEM manufacturers and aftermarket engine builders.

Key Features:

• Standard size main bearing set for Small Block Chevy engines
• Aluglide aluminum-tin-silicon alloy construction for exceptional wear resistance
• Lead-free environmentally conscious design
• High strength bearing material with excellent load-carrying capacity
• Superior seizure resistance and embedability characteristics
• Ideal for passenger cars and light commercial vehicle applications
• Complete main bearing kit for professional engine rebuilds

ACL's Aluglide bearings are manufactured in Tasmania, Australia, and represent over 70 years of bearing design expertise. These bearings are ideally suited for general purpose applications and provide the perfect balance of durability, performance, and environmental responsibility for your engine rebuild.