Clevite GM Pass & Trk 287 288 303 316 324 326 336 347 350 370 389 400 Con Rod Bearing Set

If you're rebuilding a classic GM V8 engine, like those found in a 1975 Oldsmobile 98 or a 1967 Pontiac Firebird, these Clevite H-Series connecting rod bearings are a solid option. They're designed for engines that see medium to high RPMs and are built to work with crankshafts that have oversize fillets. These bearings are well-built with a hardened steel back and a thin overlay, and they're made without flash plating to help them seat properly. This means you get a more direct contact between the bearing and the crankshaft, which is important for consistent oil film and performance.

The H-Series bearings have a medium level of eccentricity and high crush. Eccentricity helps the bearing maintain oil clearance as RPMs increase, while high crush ensures the bearing stays firmly in place within the connecting rod. This combination is key for durability when your engine is working hard. They are a popular choice for many GM engine builds from the 50s through the late 70s, covering displacements from 287 up to 400 cubic inches.