Perfect Circle MS963P Main Bearing Set for Chrysler 340 V8

The Perfect Circle MS963P is a premium main bearing set designed for Chrysler 340 cubic inch (5.6L) V8 engines from 1968-1973. Now manufactured under the MAHLE Original/Clevite brand family, this bearing set represents over a century of engine component engineering excellence.

P-Series Construction:

• Steel-backed bearing construction with copper-lead alloy intermediate layer
• Electroplated lead-tin-copper overlay for optimal wear resistance
• Higher eccentricity and crush factor to compensate for high-load conditions
• Extra-thin overlay design prevents overlay fatigue in demanding applications
• Oil grooves extend around both halves for enhanced lubrication

Technical Specifications:

• Standard shaft diameter: 3.1228-3.1236 inches
• Bearing O.D./housing bore: 3.3152-3.3162 inches
• Vertical oil clearance: 0.0018-0.0046 inches
• Standard journal size (not undersize)
• Requires thrust washer set (sold separately)

The P-Series design is ideal for high-revving engines and demanding applications including street performance, heavy-duty use, and motorsports. This complete main bearing set provides OE-quality fit and function for engine rebuilds where reliability and durability are essential.