Clevite H-Series Main Bearings - 1/2 Groove - Standard Size - Tri Metal - SB Chevy - Small Journal - Set of 5 91301 270 degree arm and back

270 degree arm and back gussets

2001-2005 GMC Sierra 1500 HD

1971-1971 Ford Thunderbird

Vehicle Applications: Nissan Pathfinder 2012-2005Vehicle Applications: Nissan Pathfinder 2012-2005

Clevite H-Series Main Bearings - 1/2 Groove - Standard Size - Tri Metal - SB Chevy - Small Journal - Set of 5 91301 270 degree arm and backClevite H Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range. Vehicle Applications: 1960 1962 Chevrolet C40 1960 1963 GMC 2500 Series 1960 1966 GMC 3000 1960 1967 Chevrolet K10 Pickup 1963 1967