King XP-Series Main Bearings | GM 400CI V8 Engines (MB509XP)

GM 400CI V8 Engine XP Series Main Bearings by King

The XP series is a line of bearings with advanced metallurgical and geometric technologies that meet extreme performance loads. It was developed for all performance applications that use forged steel aftermarket crankshafts and produce high loads for extended periods.

King Racing’s XP series features pMax Black™, a unique tri-metal structure that is 24% harder than any other conventional tri-metal race bearing. pMax Black™ together with the XP geometric features are the ideal combination for performance racing. For more on King Racing technologies visit TechLab

Features

• Bull’s Eye Tolerance – Perfect Clearance in Every Set
• pMax Black – Unique Tri-Metal Structure with Superior Load Capacity
• U-Groove – Greater Load Surface
• ElliptiX – Improved Oil Ingress

Applications

• GM 400CI V8 Engines

What’s In The Box?

• 1 – Set of XP Main Bearings

Warranty

• Manufacturer Standard Warranty