ACL 5M8312H-STD Subaru FA20 Standard Size High-Performance Main Bearing Set

ACL Subaru FA20 Standard Size High Performance Main Bearing Set

The ACL 5M8312H-STD Standard Size High-Performance Main Bearing Set is engineered for Subaru FA20 applications requiring dependable crankshaft support and consistent engine performance. Manufactured by ACL, these automotive main bearings are designed to provide reliable operation in performance-oriented and rebuilt engines when used with properly prepared components and correct installation procedures.

Built for standard-size crankshaft journals, the ACL 5M8312H-STD set supports accurate bearing-to-journal clearance and stable oil control. Its high-performance design helps withstand the operating demands associated with spirited driving, modified engines, and demanding service conditions. Always verify crankshaft measurements, bearing clearances, and engine specifications before installation to confirm compatibility.

This main bearing set fits select 2013 Subaru Legacy, 2013 Subaru Outback, and 2013–2016 Scion FR-S models equipped with the Subaru FA20 engine. Fitment may vary by engine configuration and vehicle application, so confirm the original bearing specification and engine code before ordering. The set is intended for automotive engine service and should be installed by a qualified technician using the manufacturer’s recommended procedures.

Product Specifications and Technical Data

• Brand: ACL
• Part Number: 5M8312H-STD
• Application: Subaru FA20 engine
• Component Type: High-performance main bearing set
• Bearing Size: Standard
• Part Type: Automotive engine component
• Intended Use: Engine rebuilding, repair, and performance applications
• Vehicle Coverage: Select Subaru Legacy, Subaru Outback, and Scion FR-S applications

What's Included

One ACL 5M8312H-STD standard-size high-performance main bearing set.

Features:

• High-Performance Design: Supports reliable crankshaft operation in performance, rebuilt, and demanding automotive engines.
• Standard-Size Fitment: Designed for standard crankshaft journals when factory or measured specifications confirm standard bearing clearance.
• FA20 Engine Application: Developed for select Subaru FA20 engine applications, including compatible Subaru and Scion vehicles.
• Reliable Engine Support: Helps maintain consistent crankshaft support and oil control when correctly installed with properly prepared components.

Fitments:
2012 Subaru Impreza Base
2012 Subaru Impreza Limited
2012 Subaru Impreza Premium
2012 Subaru Impreza Sport Limited
2012 Subaru Impreza Sport Premium
2013 Scion FR-S Base
2013 Subaru Impreza Base
2013 Subaru Impreza Limited
2013 Subaru Impreza Premium
2013 Subaru Impreza Sport Limited
2013 Subaru Impreza Sport Premium
2013 Subaru Legacy 2.5i
2013 Subaru Legacy 2.5i Limited
2013 Subaru Legacy 2.5i Premium
2013 Subaru Outback 2.5i
2013 Subaru Outback 2.5i Limited
2013 Subaru Outback 2.5i Premium
2013 Subaru XV Crosstrek Limited
2013 Subaru XV Crosstrek Premium
2014 Scion FR-S Base
2014 Subaru Forester 2.5i
2014 Subaru Forester 2.5i Limited
2014 Subaru Forester 2.5i Premium
2014 Subaru Forester 2.5i Touring
2014 Subaru Impreza Base
2014 Subaru Impreza Limited
2014 Subaru Impreza Premium
2014 Subaru Impreza Sport Limited
2014 Subaru Impreza Sport Premium
2014 Subaru Legacy 2.5i
2014 Subaru Legacy 2.5i Limited
2014 Subaru Legacy 2.5i Premium
2014 Subaru Legacy 2.5i Sport
2014 Subaru Outback 2.5i
2014 Subaru Outback 2.5i Limited
2014 Subaru Outback 2.5i Premium
2014 Subaru XV Crosstrek Hybrid
2014 Subaru XV Crosstrek Hybrid Touring
2014 Subaru XV Crosstrek Limited
2014 Subaru XV Crosstrek Premium
2015 Scion FR-S Base
2015 Subaru Forester 2.5i
2015 Subaru Forester 2.5i Limited
2015 Subaru Forester 2.5i Premium
2015 Subaru Forester 2.5i Touring
2015 Subaru Impreza Base
2015 Subaru Impreza Limited
2015 Subaru Impreza Premium
2015 Subaru Impreza Sport Limited
2015 Subaru Impreza Sport Premium
2015 Subaru Legacy 2.5i
2015 Subaru Legacy 2.5i Limited
2015 Subaru Legacy 2.5i Premium
2015 Subaru Outback 2.5i
2015 Subaru Outback 2.5i Limited
2015 Subaru Outback 2.5i Premium
2015 Subaru XV Crosstrek Base
2015 Subaru XV Crosstrek Hybrid
2015 Subaru XV Crosstrek Hybrid Touring
2015 Subaru XV Crosstrek Limited
2015 Subaru XV Crosstrek Premium
2016 Scion FR-S Base
2016 Subaru Crosstrek Base
2016 Subaru Crosstrek Hybrid
2016 Subaru Crosstrek Hybrid Touring
2016 Subaru Crosstrek Limited
2016 Subaru Crosstrek Premium
2016 Subaru Forester 2.5i
2016 Subaru Forester 2.5i Limited
2016 Subaru Forester 2.5i Premium
2016 Subaru Forester 2.5i Touring
2016 Subaru Impreza Base
2016 Subaru Impreza Limited
2016 Subaru Impreza Premium
2016 Subaru Impreza Sport Limited
2016 Subaru Impreza Sport Premium
2016 Subaru Legacy 2.5i
2016 Subaru Legacy 2.5i Limited
2016 Subaru Legacy 2.5i Premium
2016 Subaru Outback 2.5i
2016 Subaru Outback 2.5i Limited
2016 Subaru Outback 2.5i Premium
2017 Subaru Crosstrek Base
2017 Subaru Crosstrek Limited
2017 Subaru Crosstrek Premium
2017 Subaru Forester 2.5i
2017 Subaru Forester 2.5i Limited
2017 Subaru Forester 2.5i Premium
2017 Subaru Forester 2.5i Touring
2017 Subaru Legacy 2.5i
2017 Subaru Legacy 2.5i Limited
2017 Subaru Legacy 2.5i Premium
2017 Subaru Legacy 2.5i Sport
2017 Subaru Outback 2.5i
2017 Subaru Outback 2.5i Limited
2017 Subaru Outback 2.5i Premium
2017 Subaru Outback 2.5i Touring
2017 Toyota 86 Base
2017 Toyota 86 Special Edition
2018 Subaru Forester 2.5i
2018 Subaru Forester 2.5i Limited
2018 Subaru Forester 2.5i Premium
2018 Subaru Forester 2.5i Touring
2018 Subaru Legacy 2.5i
2018 Subaru Legacy 2.5i Limited
2018 Subaru Legacy 2.5i Premium
2018 Subaru Legacy 2.5i Sport
2018 Subaru Outback 2.5i
2018 Subaru Outback 2.5i Limited
2018 Subaru Outback 2.5i Premium
2018 Subaru Outback 2.5i Touring
2018 Toyota 86 Base
2018 Toyota 86 GT
2019 Subaru Legacy 2.5i
2019 Subaru Legacy 2.5i Limited
2019 Subaru Legacy 2.5i Premium
2019 Subaru Legacy 2.5i Sport
2019 Subaru Outback 2.5i
2019 Subaru Outback 2.5i Limited
2019 Subaru Outback 2.5i Premium
2019 Subaru Outback 2.5i Touring
2019 Toyota 86 Base
2019 Toyota 86 GT
2019 Toyota 86 TRD Special Edition
2020 Toyota 86 Base
2020 Toyota 86 GT
2020 Toyota 86 Hakone Edition
2022 Subaru BRZ Limited
2022 Subaru BRZ Premium
2022 Toyota GR86 Base
2022 Toyota GR86 Premium
2023 Subaru BRZ Limited
2023 Subaru BRZ Premium
2023 Toyota GR86 Base
2023 Toyota GR86 Premium
2024 Subaru BRZ Limited
2024 Subaru BRZ Premium
2024 Subaru BRZ TS
2024 Toyota GR86 Base
2024 Toyota GR86 Premium
2024 Toyota GR86 TRUENO Edition
2025 Subaru BRZ Limited
2025 Subaru BRZ Premium
2025 Subaru BRZ TS
2026 Subaru BRZ Limited
2026 Subaru BRZ Series.Yellow
2026 Subaru BRZ TS

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1