Speed Pro Main Bearing - Standard - Big Block Chevy MT-X3-MM-KIT-RM Both step-up and step-down coupler

Both step-up and step-down coupler sizes are available

Banjo Bolt

Requires Flowtech Headers

If you are using E-85 or diesel

1982-1988 BMW 528e

Speed Pro Main Bearing - Standard - Big Block Chevy MT-X3-MM-KIT-RM Both step-up and step-down couplerSpeed Pro Main Bearing Set 141M Competition Series Main Bearings Standard Size 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 industry