Racing Main Bearings Set for Nissan SR20DET (GTIR), 16V - MB5721XP
PartNo
MB5721XP
In stock
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 |
|---|---|---|---|
| 54.98 / 54.96 mm 2.1646 / 2.1636 inch |
58.97 / 58.94 mm 2.3216 / 2.3206 inch |
19.1 mm 0.752 inch |
1.980 mm 0.0780 inch |
Main Bearing Set For NISSAN SR20DET (GTIR), 16V - MB5721XP
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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.
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.
Complete your build
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