Main Bearing Set

Build a strong foundation for your classic's engine rebuild with this replacement main bearing set. Designed to support the crankshaft and help reduce friction, these bearings help keep your classic's engine turning smoothly. This Main Bearing Set fits 1957–1958 Pontiac Chieftain, Catalina, Bonneville, Star Chief and Super Chief.

• Engine: 347 cid (5.7L) V8; 370 cid (6.1L) V8
• Bearing Size: Available in standard size and in 0.001 in, 0.002 in, 0.010 in, 0.020 in and 0.030 in undersize
• Fitment Notes: 1957 models use the 347 cid (5.7L) V8 and 1958 models use the 370 cid (6.1L) V8