Clevite Tri Armor GMC Pass & Trk 366/396/402/427/454 Main Bearing Set

If you're rebuilding the bottom end of a larger displacement GMC or Chevrolet V8 engine, like those found in many trucks and muscle cars from the 60s and 70s, this Clevite Tri Armor Main Bearing Set (MS829HC10) is a solid option. These bearings are designed for engines that see medium to high RPM ranges and are built with a hardened steel back and a thin overlay. They are made without flash plating, which helps them seat better against the crankshaft.

The H-Series bearings, like this set, feature a medium level of eccentricity and high crush. This design is particularly beneficial when working with crankshafts that have oversize fillets, ensuring proper contact and oil clearance. The Tri Armor coating is a Clevite innovation that offers improved durability and performance, especially under demanding conditions. This set is a direct fit for a wide range of Chevrolet and GMC vehicles, including popular models like the C10 Pickup, Camaro, and Caprice, among many others.