Our Sealed Power Speed Pro main bearings are a great bearing to use with your turbo Buick V6 engine.  These half grooved bearings are designed specifically for performance applications and are used in many street and strip 3.8L Buick engines which are running steel forged crankshafts.

Specifications:

Main Bearing Width: .869
Main Bearing Thrust Width: 1.058
Main Bearing Thickness: .0935

Bearing Materials:

Premium 1020AK Steel Base
Super Duty H-14 Fine Lead/Copper Lead
Nickel Barrier
LS 82 Lead/Tin/Copper Overplate

Part Number: SEA 107M