ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) 0.25mm Oversized High Performance Main Bearing - 5M8309H-.25

Frequently Asked Questions

Will the ACL ACL Race Series Main Bearings fit my Subaru EJ engine?

Confirming fitment for your specific vehicle is essential for optimal performance. These ACL Race Series Main Bearings are designed for Subaru EJ20, EJ22, and EJ25 engines, with thrust in the #5 position. Verify your exact model and year with a qualified technician for guaranteed compatibility.

How difficult is the installation of ACL ACL Race Series Main Bearings?

Professional installation is strongly recommended for these performance bearings. This advanced maintenance level ensures correct seating and torque specifications, crucial for achieving their full benefit. Consult a qualified technician to guarantee proper installation and engine longevity.

What performance improvement can I expect from ACL Race Series Main Bearings compared to stock?

Experience enhanced engine stability and superior crankshaft protection, particularly in demanding conditions. These bearings achieve an 8/8 score for 'Engine Performance' and 'Track / Autocross' use cases, translating to a more responsive and reliable drive. Enjoy confident spirited driving with this upgrade.

What is the primary benefit of the 0.25mm oversized design in these ACL Race Series Main Bearings?

The 0.25mm oversized design delivers enhanced engine stability for a smoother, more responsive drive. This precision fitment achieves superior crankshaft protection under demanding performance conditions. Experience increased engine longevity through robust, high-performance lubrication with these specialized bearings.