Perfect Circle CB527P1 Connecting Rod Bearing Set Chrysler Big Block

The Perfect Circle CB527P1 is a high-quality connecting rod bearing set designed for Chrysler big block V8 engines from 1958-1979, including 361, 383, 400, 413, 426, and 440 cubic inch (5.9L, 6.3L, 6.6L, 6.7L, 7.0L, and 7.2L) applications. This bearing features a .001" undersize specification for precision fitment on slightly worn or custom-machined crankshafts.

Key Features:

• P-Series tri-metal construction with steel backing, copper-lead alloy intermediate layer, and lead-tin-copper electroplated overlay
• Ideal for engine rebuilds requiring enhanced durability in heavy-duty, motorsports, or street performance applications
• Higher eccentricity and crush factor designed to compensate for rod bore distortion in high-RPM engines
• Increased load capacity compared to traditional bimetal bearings
• .001" undersize for optimal clearance on machined crankshaft journals
• Compatible with Chrysler big block engines: 361/383/400/413/426W/440

Perfect Circle bearings, now part of the Mahle Clevite family, are recognized for their precision fit and reliability, making them a trusted choice for professional engine builders and DIY mechanics alike. The P-Series represents the most versatile replacement engine bearing option, suitable for most OE applications while providing the performance characteristics needed for demanding use.