Clevite P-Series Main Bearing - Standard - Small Block Mopar MS540P Sprint Car Headers & Mufflers Duration 301 / 309

Duration 301 / 309

They're forged from premium grade 8740 chrome moly steel and are heat-treated to a nominal rating of 200

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Improves HandlingVehicle Applications: 15-18 MUSTANG GT350 SPRINGSVehicle Applications: 15-18 MUSTANG GT350 SPRINGS

Clevite P-Series Main Bearing - Standard - Small Block Mopar MS540P Sprint Car Headers & Mufflers Duration 301 / 309Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P Series is suitable for most OE applications. Due to the increased load capacity of the Tri Metal design, it is a suitable upgrade from Bi Metal engine bearings. Vehicle Applications: 1958 1958 Dodge P310 Series 1958 1958 Fargo FL8 Pickup 1958 1961 Plymouth Custom