ACL VW/Audi 1781cc/1984cc 0.25 Oversized High Performance Main Bearing Set - 5M1644H-.25

Frequently Asked Questions

What is the primary performance benefit of ACL Race Series Main Bearings?

Superior oil flow for consistent lubrication under extreme race conditions is delivered by these bearings. They achieve a 'Racing Competition' usage score of 10, ensuring optimal oil distribution to critical engine components for enhanced durability. These bearings transform engine reliability by ensuring targeted lubrication where it's needed most.

How do I confirm if ACL Race Series Main Bearings will fit my vehicle?

Fitment confirmation with your specific vehicle is crucial before purchase. Consult a qualified technician to ensure these bearings are compatible, as professional installation is recommended. This ensures a precise and reliable fitment for your application.

Is upgrading to ACL Race Series Main Bearings recommended for my performance engine?

Upgrading is highly recommended for 'Engine Performance' with a usage score of 8, due to their engineered oil flow. The bearings feature grooved designs on specific journals, including oil grooves on both sides of the #4 journal, providing precise oil control and enhanced durability over stock components.

What is the installation process for ACL Race Series Main Bearings?

Professional installation is recommended for these bearings, as confirmed by the install type. A qualified technician should perform the installation to ensure proper seating and function. This ensures the optimized oil flow and reliability designed into the product are fully realized.

Are ACL Race Series Main Bearings suitable for track day use?

These bearings are exceptionally suited for 'Track / Autocross' with a usage score of 9, offering optimized oil flow for high-performance conditions. The design delivers superior oil flow and achieves optimal oil distribution to critical engine components, enhancing durability under demanding use.