Speed Pro Main Bearing - Standard - Small Block Chevy 140M Valley Dust Cover 4th Gen (2003-2009)

4th Gen (2003-2009)

5" Fill Cap - Threaded - Non Vented (Fits FN250 & FN250A)

97-150 - IDLER PULLEY

NOT FOR GAS CARBURETORS CONVERTED TO ALCOHOL

This unique design is equipped with an array of features

Speed Pro Main Bearing - Standard - Small Block Chevy 140M Valley Dust Cover 4th Gen (2003-2009)Sealed Power builds engine bearings using materials and alloys engineered for demanding applications. We tailor our bearings to withstand punishing racing conditions. Our bearings are proven winners in NHRA, NASCAR(R) and IHRA competition. Sealed Power engine bearings include a patented contoured flange design that increases thrust load capacity and a three quarter length oil groove that enhances lubricity without compromising load capacity. The