Enginetech BB604J010 Connecting Rod Bearing Set GM Oldsmobile 260 307 330 350 403 V8 0.010 Undersize

The Enginetech BB604J010 is a connecting rod bearing set engineered for rebuilding GM Oldsmobile V8 engines. Sized at 0.010" undersize, these bearings are designed for use on reground crankshafts where the rod journals have been machined 0.010" below standard diameter — a common step in professional engine rebuilds.

Enginetech is a trusted name in the engine rebuilding industry, manufacturing precision replacement components that meet or exceed original equipment specifications. These rod bearings feature a tri-metal construction with a steel backing, copper-lead intermediate layer, and a precision overlay for excellent wear resistance, conformability, and load capacity.

Key Features:

• 0.010" undersize connecting rod bearings for reground crankshafts
• Tri-metal construction for superior durability and wear resistance
• Precision-manufactured to meet or exceed OEM specifications
• Steel-backed design for strength and reliable press fit
• Designed for GM Oldsmobile 260, 307, 330, 350, and 403 cubic inch V8 engines
• Sold as a full set to service all rod journals in the engine

Whether you are performing a complete engine overhaul or replacing worn rod bearings, the BB604J010 provides the precision fit and reliable performance required for long engine life. Compatible with the full family of Oldsmobile V8 engines used across a wide range of GM passenger cars and trucks.