King Engine Bearings Main Bearing Set
2013–2022 Subaru BRZ / 2017–2020 Toyota 86 FA20/FB20 Engine
MB5745SI
Overview:
The King Engine Bearings Main Bearing Set is engineered specifically for the Subaru BRZ (2013–2022) and Toyota 86 (2017–2020) equipped with the FA20 or FB20 engines. As a trusted name in engine bearing technology since 1960, King Engine Bearings delivers a product designed to provide reliable, long-lasting performance for medium-load engines. This main bearing set is ideal for enthusiasts and professional rebuilders seeking high-quality components that ensure smooth engine operation and durability under demanding conditions.
These bearings are essential for maintaining proper crankshaft alignment and minimizing friction between moving parts, which helps protect your engine from wear and potential damage. Whether you are performing an engine rebuild or upgrading your vehicle’s internals, this main bearing set offers peace of mind with its proven design and materials.
Key Features:
King Engine Bearings combines advanced materials and precision manufacturing to deliver superior performance and reliability. Key features of this main bearing set include:
- Bimetal construction with an aluminum-silicon base for excellent wear resistance
- Lead-free, environmentally safe composite materials that meet modern standards
- Optimized for medium-load engines such as the Subaru FA20 and FB20
- Precision-engineered to exact OEM specifications for perfect fitment and performance
- Enhanced durability to withstand the stresses of daily driving and spirited use
- Reduced friction properties to improve engine efficiency and longevity
- Corrosion-resistant surface treatment to extend bearing life
- Manufactured by King Engine Bearings, a specialist with over 60 years of expertise
Construction & Design:
This main bearing set features a bimetal design, combining a robust aluminum-silicon alloy base with a lead-free composite overlay. The aluminum-silicon base provides excellent strength and fatigue resistance, while the lead-free composite surface ensures smooth operation and reduced friction. This environmentally friendly material choice aligns with modern regulations without compromising performance.
The bearings are engineered to handle the specific load characteristics of the Subaru FA20 and FB20 engines, providing optimal support for the crankshaft under various operating conditions. Precision manufacturing processes ensure tight tolerances and consistent quality, critical for maintaining engine reliability and minimizing wear over time.
Installation & Fitment:
The King Engine Bearings Main Bearing Set is designed for direct replacement in Subaru BRZ models from 2013 through 2022 and Toyota 86 models from 2017 through 2020 with FA20 or FB20 engines. Installation requires standard engine rebuild procedures, including proper cleaning and inspection of the crankshaft and housing surfaces. No modifications are necessary, making this set an ideal choice for professional mechanics and experienced enthusiasts alike.
For best results, always follow the vehicle manufacturer’s torque specifications and assembly guidelines when installing the bearings to ensure optimal performance and longevity.
What's Included:
- Main bearing shells sized and matched for FA20/FB20 engine crankshaft journals
- Upper and lower bearing halves for each main journal
- Packaging and documentation from King Engine Bearings
Ideal For:
This main bearing set is perfect for Subaru BRZ and Toyota 86 owners performing engine rebuilds, upgrades, or repairs who demand high-quality, reliable components. It suits enthusiasts who want to maintain or improve engine durability and smoothness without compromising environmental standards. Additionally, professional engine builders and performance shops will appreciate the precision and consistency King Engine Bearings provides.
