King Bearings Main Bearing XP Series; Tri-Metal Performance MAZDA 323


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Part #: MB5304XP025
Notes: Main Bearing XP Series
Tri-Metal Performance
Your Price: $59.98

Specs

Additional Shell Thickness TBA
Crank Undersized -0.020in
Size 0.25in (0.635mm)

This Item Also Available In

Part Number Price Notes & Specs
MB5304XP $59.98 Notes Main Bearing XP Series
Tri-Metal Performance
Size Standard
MB5304XPSTDX $59.98 Notes Main Bearing XP Series
Tri-Metal Performance
Additional Shell Thickness -.0005in
Crank Undersized 0
Size Standard
MB5304XP05 $57.30 Notes Main Bearing XP Series
Tri-Metal Performance
Additional Shell Thickness TBA
Crank Undersized TBA
Size 0.50in (1.25mm)

All Fitments

FORD
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1991 - 1996 ESCORT GT
LX-E
L4 1.8 ALL ALL ALL BP-ZE Motor; DOHV; 16Valve
KIA
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1995 - 1997 SEPHIA GS
LS
RS
L4 1.8 ALL ALL ALL BP-ZE Motor; DOHV; 16Valve
MAZDA
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1986 - 1994 323 ALL L4 1.6 N ALL ALL B6 Motor; SOHC; 8Valve
1988 - 1989 323 ALL L4 1.6 T B6T ALL DOHV; 16Valve
1994 - 1997 MIATA ALL L4 1.8 ALL ALL ALL BP-ZE Motor; DOHV; 16Valve
1999 - 2000 MIATA ALL L4 1.8 ALL ALL ALL BP-4W Motor; DOHV; 16Valve
2001 - 2005 MIATA ALL L4 1.8 N ALL ALL BP-Z3 Motor; DOHV; 16Valve
2004 - 2005 MIATA MAZDASPEED L4 1.8 T ALL ALL BP-4W Motor; DOHV; 16Valve
1992 - 1995 MX-3 ALL L4 1.6 N ALL ALL B6D Motor; DOHV; 16Valve
1990 - 1994 PROTEGE LX L4 1.8 ALL ALL ALL BP-ZE Motor; DOHV; 16Valve; w/ VICS
1995 - 1998 PROTEGE ALL L4 1.5 N ALL ALL Z5-DE Motor; DOHV; 16Valve
MERCURY
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1991 - 1994 CAPRI ALL L4 1.6 N ALL ALL B6D Motor; DOHV; 16Valve
1991 - 1994 CAPRI XR2 L4 1.6 T ALL ALL B6T Motor; DOHV; 16Valve
1988 - 1989 TRACER ALL L4 1.6 N ALL ALL B6 Motor; SOHC; 8Valve
1991 - 1996 TRACER ALL L4 1.8 ALL ALL ALL BP-ZE Motor; DOHV; 16Valve
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 JDM Mazda B6-2E/ME 1.6L SOHC 16Valve Motor
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For JDM Mazda BPD 1.8L DOHC 16Valve Motor
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For JDM Mazda ZL-VE 1.5L DOHC 16Valve Motor
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For JDM Mazda ZM-DE 1.6L DOHC 16Valve Motor
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For JDM/AUS Mazda BP-Z3T 1.8L DOHC 16Valve 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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