Speed Pro Main Bearing - 0.001 in Undersize - Big Block Chevy Lithium Pros the original stock replacement is

the original stock replacement is supplied which will reduce bypass pressure if needed

1976-1980 Chevrolet P10

Developed with many of the top race engine builders and race teams around the country

2007-2013 Chevrolet Silverado 3500 HD Extended Cab Pickup

Fuel Pressure Isolator

Speed Pro Main Bearing - 0.001 in Undersize - Big Block Chevy Lithium Pros the original stock replacement isSpeed Pro Main Bearing Set 141M1X Competition Series Main Bearings 0. 001 Undersize Tri Metal 3 4 Groove Chevrolet 7. 4L (Set of 5) Best bronze alloy material Does not have flash tin plating Extreme fatigue resistance & strength 3 4 Grooved Silicon particles help polish crankshaft journal (reduces wear during operation)From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for