King Bearings Main Bearing Set (SI) For Ford 420, 445 / Ihc 6.9L, 7.3L

We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace - USP Motorsports is a leader in auto parts for Volkswagen, BMW, Audi & Porsche. We specialize in: performance parts, replacement parts, OEM parts, tools, kits and more. 

Tomorrow’s Bearings for Today’s Engines

King’s products are engineered for the aftermarket. That’s why we offer a wider range of undersizes and various material options in the King lineup.

King is the first choice in the extremely demanding aviation and racing industries due to our in-depth understanding of the specific needs of those industries. This knowledge and experience is then applied to every aftermarket bearing we make.

King Bull’s Eye Tolerance™ Technology

Bull’s Eye Tolerance™ is a production technology developed by King. It combines highly accurate machining, overplating, and computerized wall thickness monitoring that adjusts the process on-the-spot. This state of the art production technology sets new standards in our aftermarket bearing thickness consistency. Bull’s Eye Tolerance™ outperforms the industry’s wall thickness tolerance, ensuring the least thickness variation shell-to-shell. The outcome: A new standard in bearing thickness consistency.

When it comes to aftermarket bearings there is only one King!

• Sputter & sputter replacement options
• Cutting edge bearing technology
• Higher load capacity through advanced materials
• Most consistently sized engine bearings

Here at USP Motorsports, we have relied on King Bearings for all of our racing and performance cars. We currently use King performance main bearings on our 1400 horsepower VR6 Audi S4, setting several world records in the 1/4 mile over the years. We could not ask for a better performing product. 

Features

Material

Bi-Metal - Silicon Aluminum

Material Notes

Aluminum based material, strengthened by 2.5-3% silicon, for medium load engines or nodular cast iron crankshafts. King Bull’s Eye Tolerance™ Technology

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