Chevy GM LS 010 Main Bearings [4.8 5.3 5.7 6.0 6.2] The successful formula of offering

The successful formula of offering a complete engine drive accessory kit has now been applied to the Serpentine with Speedmaster pulley systems

ULP and Premium FuelsAttention: Not for use on stock intake manifolds

Speedmaster rock-solid race shifting Billet Street automatic shifters can give your street ride the feel of having a full-on race stick in your hand

heat-treated to the highest Rockwell hardness available

Their strong die-cast aluminum design ensures an excellent gasket seal and dissipates heat better than many other covers

Chevy GM LS 010 Main Bearings [4.8 5.3 5.7 6.0 6.2] The successful formula of offeringThese 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.