Enginetech BB625J030 Connecting Rod Bearing Set Ford Mazda Undersize - 2.6L 2.8L 2.9L 4.0L 0.030

The Enginetech BB625J030 is a connecting rod bearing set designed for Ford, Mazda, Mercury, and Merkur engines equipped with 2.6L (159 CID), 2.8L (171 CID), 2.9L (177 CID), and 4.0L (244 CID) V6 powerplants. This set is manufactured to a 0.030-inch (0.762mm) undersize crankshaft specification, making it the correct choice for engines that have had their crankshaft journals reground to the 0.030" undersize.

Key Features:

• Premium aluminum-silicon alloy construction — delivers high load capacity combined with excellent anti-friction properties including wear resistance, anti-seizure characteristics, and embeddability
• 0.030-inch undersize — engineered for use with crankshafts reground to 0.030" undersize journals
• Precision-controlled parting line chamfers — cut at the correct angle to allow proper oil bleed-through without sacrificing oil pressure
• State-of-the-art manufacturing — consistent bearing thickness ensures correct oil clearances throughout the set
• Covers Ford, Mazda, Mercury, and Merkur applications — spanning 1972–2011 vehicles with the compatible V6 engine families

Enginetech rod and main bearings have been the choice of professional engine rebuilders for over 25 years. Each bearing in this set is produced to tight tolerances, providing the reliability and durability required for a quality engine rebuild.