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Part Numbers: MB303
and are ideal for restoring or upgrading 4
this bearing set ensures optimal alignment of the crankshaft
8661 inches for secure fitting
Main Rod Bearings Fit 01-10 Lexus SC430 GS430 LS430 4.3L Full Gasket Set Part Numbers: MB303Main Rod Bearings Fit 01 10 Lexus SC430 GS430 LS430 4. 3L. The crankshaft, connecting rods and bearings are extremely important in every engine build, because they convert the reciprocating motion of the pistons into rotational torque. The longer the stroke, the greater the leverage effect and the greater the torque output of the engine. Time will come that your engine bearings will wear out. Always remember, when your engine bearings fail, a