What is the main benefit of using ACL high-performance rod bearings?

These ACL bearings feature a high-performance tri-metal construction. This design offers improved strength and wear resistance compared to standard bearings, making them suitable for demanding engine applications and rebuilds.

Are these bearings a direct replacement for my stock rod bearings?

Yes, this set includes standard size bearings. This means they are designed to fit directly in place of your original equipment rod bearings without requiring modifications, assuming your crankshaft journals are within factory specifications.

What other engine components are typically replaced during a rod bearing installation?

Rod bearing replacement is usually part of a larger engine rebuild. It's common to also inspect and potentially replace piston rings, main bearings, gaskets, seals, and the oil pump to ensure the engine's overall health and performance.

Specifications

Brand: ACL
Part #: 4B8351H-STD
UPC: 9315726152249

ACL Mazda B6/BP/BP-T 1.6/1.8L Standard Size High Performance Rod Bearing Set

Name: ACL Mazda B6/BP/BP-T 1.6/1.8L Standard Size High Performance Rod Bearing Set
Brand: ACL
SKU: acl-acl-mazda-b6-bp-bp-t-1-6-1-8l-standard-size-high-performance-rod-bearing-set-t14-15864
Price: 54.67 USD
Availability: BackOrder

$54.67

On Backorder — Expected to ship by Jul 9, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

ACL Mazda B6/BP/BP-T 1.6/1.8L Standard Size High Performance Rod Bearing Set. These bearings are a popular choice for engine rebuilds and performance builds.

Key Features

Fits Kia Rio (2001-2005), Kia Sephia (1994-1997), Mazda 323 (1986-1994), Mazda MX-3 (1992-1995), Mazda Miata (1990-1997, 1999-2005), Mazda Protege (1990-2001), and Mercury Capri (1991-1994).
Standard size bearings are a direct replacement for original equipment.
High-performance tri-metal construction offers improved strength and wear resistance.
Designed for Mazda B6, BP, and BP-T 1.6L and 1.8L engines.
ACL is a well-known brand for engine components.

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About this part

Product Details

ACL has been a well-known name in engine bearings for a long time, and this set is built to handle the demands of both daily driving and more spirited use. They are made with a tri-metal construction that offers excellent strength and wear resistance, which is crucial for the high-stress environment of the connecting rod journal. Installing these bearings is typically done during an engine rebuild, so it's a good time to ensure your crankshaft journals are also in good condition. If you're looking for a solid option to ensure the longevity and performance of your rebuilt engine, these ACL bearings are a popular choice.

This set includes the necessary rod bearings for a complete engine rebuild. Always refer to your vehicle's specific service manual for detailed installation procedures and torque specifications to ensure proper fitment and function.