King CR4002XP0.25 XP Rod Bearings for Mazda B3/B5/B6/B6T/ZM Engines

Vehicle Fitment

• 1986-1995 Mazda 323 (B3 1.3L I4, B5 1.5L I4, B6 1.6L I4, FWD)
• 1989-1998 Mazda MX-3 (B6 1.6L I4, FWD)
• 1990-2003 Mazda Protege (B6 1.6L I4, ZM 1.6L I4, FWD)
• 1990-1997 Mazda MX-5 Miata (B6 1.6L I4, RWD)
• 1991-1994 Mercury Capri (B6T 1.6L Turbo I4, FWD)
• Additional applications using Mazda B3, B5, B6, B6T and ZM engine families with compatible connecting rod journal dimensions.

Fitment Notes

• Fits engines using the King CR4002XP connecting rod bearing family.
• 0.25 mm undersize bearing for crankshafts machined to the first undersize.
• Verify crankshaft journal dimensions before ordering.
• Designed for high-performance and racing engine applications.

Features

• King XP Series pMaxBlack™ tri-metal race bearing construction.
• Nano-hardened overlay for superior load capacity.
• Excellent fatigue resistance under extreme engine loads.
• Optimized oil clearance consistency through precision manufacturing.
• RadiaLock™ technology promotes proper bearing crush and heat transfer.
• Eccentrix™ geometry enhances hydrodynamic lubrication.
• Engineered for high-RPM and forced-induction applications.
• Suitable for drag racing, road racing, circle track, and other severe-duty performance builds.

Specifications

• Brand: King Engine Bearings
• Part Number: CR4002XP0.25
• Product Type: Connecting Rod Bearing Set
• Series: XP (pMaxBlack™ Race Series)
• Bearing Material: Tri-Metal Lead Bronze
• Bearing Size: 0.25 mm Undersize
• Journal Diameter: 44.96-44.94 mm (1.7699-1.7693 in.)
• Set Contents: 4 Bearing Pairs
• Application: Connecting Rod

Included Components

• 1x Connecting Rod Bearing Set (4 Pairs)

Product Description

The King Engine Bearings CR4002XP0.25 XP Series Connecting Rod Bearing Set is engineered for high-performance Mazda B-series engine builds utilizing a crankshaft ground to the first 0.25 mm undersize. Featuring King's advanced pMaxBlack™ tri-metal construction, these bearings provide exceptional load capacity, fatigue resistance, and durability for engines subjected to elevated cylinder pressures and sustained high RPM.

Designed with RadiaLock™ and Eccentrix™ technologies, the XP Series delivers excellent bearing crush, efficient heat transfer, and stable hydrodynamic lubrication under demanding operating conditions. This set is ideal for naturally aspirated and turbocharged performance engines based on the Mazda B3, B5, B6, B6T, and ZM engine families. Always confirm crankshaft journal dimensions and required bearing clearance during engine assembly.