XPC Series is King Bearings‘ premium race bearings, featuring the pMaxBlack™ overlay that increases hardness and topped by the innovative pMaxKote™ ceramic nano-composite polymer coating, that enhances wear & seizure resistance without altering the bearing's original wall thickness dimensions.
Commonly use for
circle track, drag racing, off-shore, and other applications that utilize steel crankshafts. Features ceramic nano-composite polymer coating, that enhances wear & seizure resistance without altering the bearing's original wall thickness
Crankshaft Dim.
Housing Dim.
Length
Thickness
64.98 / 64.95 mm 2.5581 / 2.5571 inch
70.02 / 69.99 mm 2.7566 / 2.7556 inch
18.7 mm 0.736 inch
2.516 mm 0.0991 inch
Main Bearing Set For NISSAN GT-R VR38DETT - MB4524XPC
Proper installation of engine bearings is crucial for achieving peak performance and preventing early wear or failure. Whether you're an experienced engine builder or a DIY enthusiast, mastering the details of bearing installation can significantly impact your engine's reliability. In this guide, we will walk you through the essential steps and expert tips to install engine bearings correctly, helping you achieve the reliability and performance you demand from your engine.
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Performance features
Material features
Tech Features
Copper Based
Tri-Metal Copper based material
Leaded or Lead Free tri layers bearings for low to heavy load engines.
pMaxBlack™
Superior load capacity
Overlay features proprietary nano-scaled hardening process producing superior load capacity.
pMaxKote™
Factory applied polymer coating
Inhouse developed Polymer coating for race applications, enhances seizure & wear resistance, with no added thickness.
U-Groove™
Greater load surface
A 90⁰ oil groove shape, keep oil flow intact, increases bearing load capacity by expanding the surface area.
Radialock™
Optimal crush height and heat transfer
An optimal crush height value obtained from an optimization process of each performance bearing crush height
Eccentrix™
Superior hydrodynamic lubrication
An optimized eccentricity value reached through elasto-hydrodynamic analysis and dynamic calculations.
Bulls Eye™
PERFECT CLEARANCE IN EVERY SET
Outperforms the industry’s wall thickness tolerance, ensuring the least thickness variation shell-to-shell.
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