Main Bearing Set For SUBARU EJ20/EJ22/EJ25 HOUSING BORE + .005 - MB5740XPG

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King Bearings popular XP Series features the pMaxBlack™ overlay - producing superior load capacity. XP is a tri-metal Lead Bronze layered material, with a nano-scaled hardening process of Babbitt overlay that withstands 10,200 PSI load. Ideal for Circle Track, Drag Racing, off-shore, and other applications that utilize steel crankshafts.
Commonly use for most of the race applications including circle track, drag racing, off-shore, and other applications that utilize steel crankshafts
Crankshaft Dim. Housing Dim. Length Thickness
60.00 / 59.98 mm
2.3622 / 2.3616 inch
64.15 / 64.12 mm
2.5255 / 2.5246 inch
Positions 1,3:
19.0 mm
0.748 inch

Positions 2,4:
15.1 mm
0.595 inch

Position 5:
23.0 mm
0.906 inch
2.067 mm
0.0814 inch
Bearings are designed with .005" oversize diameter, allowing to repair the housing of block by line honing block
Main Bearing Set For SUBARU EJ20/EJ22/EJ25 HOUSING BORE + .005 - MB5740XPG
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Tech Features

Copper Based
Copper Based
Tri-Metal Copper based material

Leaded or Lead Free tri layers bearings for low to heavy load engines.

pMaxBlack™
pMaxBlack
Superior load capacity

Overlay features proprietary nano-scaled hardening process producing superior load capacity.

SmartLug™
SmartLug
Optional lug design

Prevents lug generated oil leaks while achieving better load capacity and oil film distribution.

U-Groove™
u-groove
Greater load surface

A 90⁰ oil groove shape, keep oil flow intact, increases bearing load capacity by expanding the surface area.

Radialock™
Radialock
Optimal crush height and heat transfer

An optimal crush height value obtained from an optimization process of each performance bearing crush height

Eccentrix™
Eccentrix
Superior hydrodynamic lubrication

An optimized eccentricity value reached through elasto-hydrodynamic analysis and dynamic calculations.

Bulls Eye™
Bull's Eye Tolerance
PERFECT CLEARANCE IN EVERY SET

Outperforms the industry’s wall thickness tolerance, ensuring the least thickness variation shell-to-shell.

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