Enginetech BB607J030 Connecting Rod Bearing Set Ford 5.8L 351 Cleveland 6.6L 400 .030 Undersize

The Enginetech BB607J030 is a complete connecting rod bearing set engineered for the Ford 5.8L 351 Cleveland V8 and 6.6L 400 Modified engines. This set is manufactured to a 0.030-inch (0.75mm) undersize, making it the correct choice when rebuilding an engine with a crankshaft that has been reground 0.030 inches below the standard journal diameter.

Enginetech rod and main bearing sets are crafted from high-quality alloys selected specifically for each application, delivering the combination of high load capacity and excellent anti-friction properties including wear resistance, anti-seizure performance, and embeddability. Enginetech bearings are produced using state-of-the-art equipment to ensure consistent wall thickness and proper oil clearances throughout the set.

Key Specifications:

• Undersize: 0.030 in. (0.75mm)
• Shaft Diameter: 2.3103–2.3111 in.
• Housing Bore: 2.4361–2.4369 in.
• Wall Thickness: 0.0620–0.0625 in.
• Bearing Width: 0.726 in.
• Oil Clearance: 0.0008–0.0028 in.
• Shell Part Number: C813P

Key Features:

• Precision-cut parting line chamfers for optimal oil bleed-through without sacrificing oil pressure
• Available in standard, 0.010, 0.020, and 0.030 undersize to suit varying crankshaft grind requirements
• High-quality alloy construction for long-lasting durability and performance
• Meets or exceeds OEM specifications for reliable engine operation
• Trusted by professional engine rebuilders for over 25 years

Select the correct undersize based on your crankshaft's measured journal diameter after machining. Proper bearing selection is critical for achieving the correct oil clearance, ensuring adequate lubrication, and preventing premature engine wear.