ACL 5M8353H-.50 Race Series Main Bearings for 1986-2005 Mazda/Mercury/Kia 1.5L

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In Stock: 10

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Product Specification:

SKU:ACL5M8353H-.50

MPN: 5M8353H-.50

UPC: 9315726152881

Weight: 0.6 lb

Inventory: 10

Type: Bearings

Vehicle Fitment

1986-1994 Mazda 323 (Base, DX, GT, GTX, LX, SE), 1.6L I4
1990-1997 Mazda Miata (Base, LE, M Edition, LS), 1.6L I4
1999-2005 Mazda Miata (Base, LE, M Edition, LS), 1.8L I4
1992-1994 Mazda MX-3, 1.6L I4
1990-1994 Mazda 121, 1.6L I4
1995-1998 Mazda Protege, 1.6L I4
1991-1994 Mercury Capri, 1.6L I4
1994-1997 Kia Sephia (GS, LS, RS), 1.6L I4
2001-2005 Kia Rio (Base), 1.5L I4
2002-2005 Kia Rio Cinco, 1.6L I4

Features

Trimetal construction for maximum durability
Race Series design for high-performance applications
Precision-engineered for OEM-accurate fitment
Supports naturally aspirated and turbocharged engines
Enhanced fatigue resistance for high RPM reliability
Ideal for street, track, and engine rebuilds
Trusted ACL manufacturing quality
Compatible with multiple B6/BP/BP-T engine platforms

Specifications

Oversize: 0.50mm
Material: Trimetal (Lead, Tin, Copper)
Width: 0.694 inches
Outside Diameter: 2.1267 inches
Shaft Diameter: 1.9668 inches
Front/Main Bearings
Engine Platforms: B6/BP/BP-T
High RPM durability for racing applications

Included Components

1x Complete Main Bearing Set (all main bearings included)

Product Description

The ACL 5M8353H-.50 Race Series Main Bearings are designed for maximum performance and durability across a wide range of Mazda, Mercury, and Kia vehicles. This 0.50mm oversized set ensures precise fitment for rebuilds or high-performance upgrades on engines from 1.5L to 1.8L I4.

Using ACL's Trimetal technology, these bearings deliver superior fatigue resistance and reliability under high RPM conditions. They are suitable for naturally aspirated and turbocharged engines, making them perfect for both street and track applications. Vehicles supported include Mazda Miata, MX-3, 323/Familia, 121, Protege, Mercury Capri, and Kia Sephia/Rio/Rio Cinco.

Installation is straightforward, with exact OEM fitment on B6/BP/BP-T engine platforms. The ACL 5M8353H-.50 bearings provide long-lasting performance, making them an ideal choice for engine rebuilds, restorations, or performance modifications.