Chevy SBC 350 010 Main Bearings (Large Journal) 262 265 267 302 305 307 327 383 000 psi tensile strength for

000 psi tensile strength for the utmost in reliability

Also stock replacement/street legal for 302

We control the entire machining process and use only premium materials

looks beautiful when you pop the bonnet

or another that's set up the same

Chevy SBC 350 010 Main Bearings (Large Journal) 262 265 267 302 305 307 327 383 000 psi tensile strength forThese Speedmaster main bearings are just what you need to freshen up your engine. Why? They use silicon aluminum bi metal construction. Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold. Bearing wear is dramatically reduced and the fatigue strength is greatly improved.