King Engine Bearings CR4424AM0.75 Connecting Rod Bearing Set 0.75mm Undersize Datsun J15

The King Engine Bearings CR4424AM0.75 is a precision-engineered connecting rod bearing set designed specifically for Datsun J15 engines. This set features a 0.75mm crankshaft undersize dimension, making it ideal for engine rebuilds where crankshaft journals have been machined to restore proper clearances.

AM-Series Construction:

• Bimetal aluminum-based construction using King's standard aluminum silicon alloy material
• Lead-free design for environmental safety and user protection
• Superior embeddability reduces scratching of crank journals and protects Babbitt overlays
• Tolerance control to within +/- 0.0001 inch for precise fitment
• Recommended for street and marine applications with low to medium engine loads

Bull's Eye Tolerance Technology:

King's proprietary Bull's Eye Tolerance manufacturing process combines highly accurate machining, overplating, and computerized wall thickness monitoring that adjusts on-the-spot during production. This state-of-the-art technology ensures exceptional bearing thickness consistency, shell-to-shell, outperforming standard industry tolerances.

Application:

This connecting rod bearing set is engineered as a direct OE replacement for Datsun J15 engines found in various classic Nissan and Datsun models from the 1960s, including the Datsun 410, 411, 520 Pickup, 521 Pickup, and Bluebird. The 0.75mm undersize dimension accommodates reground crankshafts, extending engine life and restoring proper oil clearances.

Sold as a complete set with all necessary bearing shells for a professional engine rebuild. King Engine Bearings has been the trusted choice in aviation, racing, and automotive industries since 1960, bringing that same precision engineering to every aftermarket bearing produced.