Sealed Power 8-1555CPA Engine Connecting Rod Bearing Set

Sealed Power Engine Connecting Rod Bearing Set Overview

The Sealed Power 8-1555CPA engine connecting rod bearing set is designed as an OE replacement for select V8 engines from Buick, Oldsmobile, and Pontiac. Engineered to meet precise specifications, this rod set supports engine displacements of 350, 389, and 400 cubic inches, ensuring reliable performance in classic American vehicles.

• Compatible with Buick, Oldsmobile, and Pontiac V8 engines
• Fits engine displacements: 350, 389, and 400 cubic inches
• Manufactured from overplated copper-lead alloy for durability
• Includes standard sizes: Std, 10, 20, 30, 40
• Precise housing bore range: 2.3745 to 2.3750 inches
• Oil clearance range: 0.0009 to 0.0034 inches for optimal lubrication
• Designed for Pontiac engine family with max overall length of 0.8860 inches

Technical Details and Material Specifications

This engine connecting rod bearing set (part number 8-1555CPA) is constructed from an overplated copper-lead alloy, providing a balance of strength and wear resistance. The bearing set accommodates housing bores between 2.3745 and 2.3750 inches (60.3120 to 60.3250 mm) and maintains oil clearances from 0.0009 to 0.0034 inches (0.0230 to 0.0860 mm), critical for proper lubrication and engine longevity. The overall length maxes out at 0.8860 inches (22.5 mm), fitting within the standard shaft diameter range of 2.2488 to 2.2498 inches (57.12 to 57.145 mm). This rod set includes multiple sizes (Std, 10, 20, 30, 40) to accommodate precise engine rebuild requirements.

Compatible Vehicles and Applications

The Sealed Power 8-1555CPA rod bearing set is compatible with a range of Buick, Oldsmobile, and Pontiac models equipped with V8 engines of 350, 389, or 400 cubic inch displacement. Notable compatible models include the Pontiac Firebird, Grand Prix, GTO, and LeMans, as well as Buick's Riviera and Oldsmobile's 98 and Delta 88. This set is intended for OE replacement use, ensuring proper fit and function in these classic vehicles.

• Buick: Riviera, LeSabre, Electra
• Oldsmobile: 98, Delta 88, Custom Cruiser
• Pontiac: Firebird, Grand Prix, GTO, LeMans, Catalina

Common Engine Issues Addressed

• Excessive bearing wear causing knocking noises
• Oil clearance irregularities leading to poor lubrication
• Engine vibration due to worn connecting rod bearings
• Reduced engine performance from bearing failure
• Preventing premature engine damage during rebuilds

Installation Notes and Tips

When installing the Sealed Power 8-1555CPA connecting rod bearing set, ensure all mating surfaces are clean and free of debris. Verify housing bore and shaft dimensions fall within specified tolerances to maintain proper oil clearance. Use assembly lubricant during installation to prevent initial wear. Torque connecting rod bolts to manufacturer specifications and double-check bearing alignment before final assembly.

Quality Assurance and Warranty

Sealed Power manufactures this connecting rod bearing set to meet OEM standards for durability and performance. The overplated copper-lead alloy material is selected for its wear resistance and compatibility with Pontiac V8 engines. While specific warranty details are not provided, Sealed Power products typically adhere to industry quality controls to support reliable engine rebuilds.