Speed Pro Main Bearing - Standard - Ford 4-Cylinder 2010421 A wide variety of tube

A wide variety of tube diameters and port shapes are available

Compressed thickness is 1

Integrated Datalogger:

The choice of top late model

Available in standard and XD

Speed Pro Main Bearing - Standard - Ford 4-Cylinder 2010421 A wide variety of tubeSpeed Pro Main Bearing Set 127M Competition Series Main Bearings Standard Size Tri Metal 3 4 Groove Ford L4 2. 3L 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 industry leading