King Bearings Main Bearing XP Series; Tri-Metal Performance BMW 528E


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Part #: MB7039XP
Notes: Main Bearing XP Series
Tri-Metal Performance
Your Price: $179.97
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Specs

Size Standard

This Item Also Available In

Part Number Price Notes & Specs
MB7039XPSTDX $179.97 Notes Main Bearing XP Series
Tri-Metal Performance
Additional Shell Thickness -.0005in
Crank Undersized 0
Size Standard
MB7039XP05 $298.84 Notes Main Bearing XP Series
Tri-Metal Performance
Additional Shell Thickness TBA
Crank Undersized TBA
Size 0.50in (1.25mm)
MB7039XP025 $192.29 Notes Main Bearing XP Series
Tri-Metal Performance
Additional Shell Thickness TBA
Crank Undersized -0.020in
Size 0.25in (0.635mm)

All Fitments

BMW
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1986 - 1988 325 ALL L6 2.7 ALL M20 GAS SOHC/DOHC; 12/24Valve
1984 - 1987 325E ALL L6 2.7 ALL M20 GAS SOHC/DOHC; 12/24Valve
1986 - 1987 325ES ALL L6 2.7 ALL M20 GAS SOHC/DOHC; 12/24Valve
1987 - 1993 325I ALL L6 2.5 ALL M20 GAS SOHC/DOHC; 12/24Valve
1987 - 1991 325IS ALL L6 2.5 ALL M20 GAS SOHC/DOHC; 12/24Valve
1988 - 1991 325IX ALL L6 2.5 ALL M20 GAS SOHC/DOHC; 12/24Valve
1989 - 1990 525I ALL L6 2.5 ALL M20 GAS SOHC/DOHC; 12/24Valve
1982 - 1988 528E ALL L6 2.7 ALL M20 GAS SOHC/DOHC; 12/24Valve
1995 - 1995 M3 ALL L6 3.0 ALL S50 ALL DOHC; 24Valve
1996 - 1999 M3 ALL L6 3.2 ALL S52 ALL DOHC; 24Valve
2001 - 2006 M3 ALL L6 3.2 ALL S54 ALL DOHC; 24Valve
1998 - 2000 Z3 M COUPE
M ROADSTER
L6 3.2 ALL S52 ALL DOHC; 24Valve
2001 - 2002 Z3 M COUPE
M ROADSTER
L6 3.2 ALL S54 ALL DOHC; 24Valve
2006 - 2008 Z4 M COUPE
M ROADSTER
L6 3.2 ALL S54 ALL DOHC; 24Valve
NON-US VEHICLE
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For Euro BMW M20B20/M50B20/M52B20 2.0L SOHC/DOHC 12/24Valve Motor
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For Euro BMW M20B23 2.3L SOHC 12Valve Motor
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For Euro BMW S50B32 3.2L DOHC 24Valve Motor

Product Description

Successful race engine builders are constantly pushing the limits of load capacity to new levels. Race bearings today inevitably need to match these demands with more competitive bearings. At King Racing we met the challenge with the XP high performance bearings series.

The XP series is a line of bearings with advanced metallurgical and geometric technologies that meet extreme performance loads. It was developed for all performance applications that use forged steel aftermarket crankshafts and produce high loads for extended periods.

King Racing’s XP series features pMax Black™, a unique tri-metal structure that is 24% harder than any other conventional tri-metal race bearing. pMax Black™ together with the XP geometric features are the ideal combination for performance racing. For more on King Racing technologies visit TechLab

All King Bearings are specifically engineered to withstand the highest loads and RPMs generated by today’s top competition engines. All King Performance Engine Bearings feature:

  • “Bull’s Eye Tolerance”. King engine bearings have the closest wall tolerances in the industry, with all shells matched to 0.0001”.
  • Increased Height. Greater rod bearing height improves bearing-to-bore contact/heat transfer and reduces spin potential at high RPM.
  • Improved Oiling. Mains feature enlarged, chamfered oil holes.
  • Medium Eccentricity. This enables optimum load distribution and improved oiling.
  • Dowel Holes. Most rod bearings are available with or without dowel holes.
  • Narrowed Design. Mains and rods are narrowed for large-radius crankshafts.

We offer the industry’s widest selection of sizes, including special clearance options. With more choices than ever, you’ll find the right King High Performance Engine Bearings for your most demanding applications.

King XP Bearings Features

Applications

  • High-load, long-duration racing such as circle track, off-road, off-shore, and others that require steel crankshafts

Construction
Enhanced tri-metal copper lead construction with nickel barrier and SecureBond adhesion

Features

  • 15% – 30% greater load capacity than traditional bearings
  • The SecureBond unique adhesion process, for superior stability between the top and intermediate layers
  • 0.0005” metallurgically enhanced and hardened performance overlay withstands greater loads and better resists surface fatigue
  • Mains are 1/2 grooved for uncompromised lower shell load capacity

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