Chevy GM LS 010 Main Bearings [4.8 5.3 5.7 6.0 6.2] Designed for engines producing up

Designed for engines producing up to 500hp

or larger wheels to clear them

Speedmaster automatic transmission deep pans provide additional fluid capacity and cooling ability

Cover your valvetrain with a set of Speedmaster cast aluminum valve covers

stable air flow at any rpm

Chevy GM LS 010 Main Bearings [4.8 5.3 5.7 6.0 6.2] Designed for engines producing upThese 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.