Perfect Circle CB634P30 Connecting Rod Bearing Undersize Ford - 030 289 302

The Perfect Circle CB634P30 is a high-performance connecting rod bearing designed specifically for small block Ford engines, including 221, 255, 260, 289, and 302 cubic inch applications. This P-Series bearing features .030 inch undersize dimensions for crankshafts that have been machined or reground.

Key Features:

• P-Series construction with higher eccentricity and high crush factor
• Tri-metal copper-lead-nickel composition for superior durability
• Hardened steel backing with extra-thin overlays to prevent overlay fatigue
• Engineered for high-revving engines where high RPM causes rod bore distortion
• Fits Ford engines with 2.123 inch rod journals
• .030 inch undersize for reground crankshafts
• Sold individually (order quantity required for complete set)

Perfect Circle P-Series rod bearings are among the most trusted performance bearings in the Clevite 77 family, designed to handle high-load factors and the distortion common in performance and racing applications. The tri-metal construction ensures excellent wear resistance and longevity even under extreme operating conditions.