Racing Tri-metal For Chevrolet 396-502 GEN IV, V, VI - MB 556XP

In stock
(Only %1 left)
As low as $101.99
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:
69.83 / 69.80 mm
2.7492 / 2.7482 inch

Position 5:
69.82 / 69.79 mm
2.7488 / 2.7478 inch
74.63 / 74.60 mm
2.9380 / 2.9370 inch
Positions 1,2,3,4:
25.5 mm
1.004 inch

Position 5:
46.1 mm
1.815 inch
2.375 mm
0.0935 inch
Main Bearing Set For CHEVROLET 396-502 GEN IV, V, VI   - MB 556XP

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.

Superior load capacity

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

Greater load surface

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

Optimal crush height and heat transfer

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

Superior hydrodynamic lubrication

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

Bulls Eye™
Bull's Eye Tolerance

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

Complete your build


Follow our Instagram for the latest from King.