Racing Tri-metal For Ford ECOBOOST 3.5L V6 - MB4549XP

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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
Positions 1,2,3,4:
67.51 / 67.49 mm
2.6580 / 2.6570 inch

Position 4:
72.20 / 72.00 mm
2.8425 / 2.8346 inch

Position 4:
75.60 / 75.40 mm
2.9764 / 2.9685 inch
Positions 1,2,3,4:
72.42 / 72.40 mm
2.8510 / 2.8504 inch

Position 4:
91.40 / 91.20 mm
3.5984 / 3.5906 inch

Position 4:
110.60 / 110.40 mm
4.3543 / 4.3465 inch
Positions 1,2,3,4:
22.8 mm
0.898 inch

Positions 4,4:
0.0 mm
0.000 inch
Positions 1,2,3,4:
2.454 mm
0.0966 inch

Positions 4,4:
2.920 mm
0.1150 inch
Main Bearing Set For FORD ECOBOOST 3.5L V6 - MB4549XP
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Performance features

Material features

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.

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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