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 1939–1940 Pontiac Deluxe Series 28, 1937 Pontiac Deluxe Model 8CA, 1938 Pontiac Deluxe Model 8DA and 1940 Pontiac Torpedo Series 29.

• Includes: 5 × Main Bearing
• Engine: 249 cid (4.1L) L8
• Bearing Size: 0.030 in undersize
• Fitment Notes: Fits the 249 cid (4.1L) L8 engine. Each set contains 5 main bearings.