ACL Race Series Engine Bearings - Part Number 4B2966H-.025

If you're looking to enhance the performance of your engine, the ACL Race Series Engine Bearings are a must-have upgrade for any serious automotive enthusiast. Designed specifically for high RPM applications, these Trimetal engine bearings are engineered to deliver the durability and reliability you need, whether you're on the track or pushing your vehicle to the limit on the street.

Fitment

The 4B2966H-.025 bearings are compatible with a variety of popular 4, 6, and 8-cylinder engines. Make sure to check your specific year, make, and model for a perfect fit. These bearings are designed to handle the rigors of performance driving, ensuring your engine runs smoothly under pressure.

Features

• High strength overlay plate with reduced thickness for improved fatigue properties, ensuring longevity even under extreme conditions.
• Hardened steel backs on all rod bearings enhance support for the bearing lining and improve retention in the housing.
• Increased crush design for better bearing retention, so you can push your engine harder with confidence.
• Elimination of flash plating on the back of the bearings improves heat transfer, maximizing grip between the bearings and their housing.
• Increased eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films for better lubrication.
• 3/4 grooved main bearings optimize load carrying surface area and oil flow to the conrod bearings, enhancing overall engine performance.
• Tight and consistent wall tolerances help maintain precise clearances for optimal operation.
• Enlarged ID chamfers on bearing edges accommodate large fillet radii on performance crankshafts, ensuring a perfect fit.

Specifications

• Designed for high RPM conditions, providing the dependability you need for serious performance.
• Available bearing sizes: STD, .025, .25, allowing for tailored fitment based on your engine's requirements.

Customer Feedback

F150 owners have reported that installing the ACL Race Series bearings significantly improved their engine's responsiveness during high-speed runs. One user noted, “After swapping in these bearings, my 2020 F150 felt more alive at higher RPMs, and I didn't experience any oil pressure drops even during extended pulls.”

Whether you're a weekend warrior or a track day regular, the ACL Race Series Engine Bearings are engineered to meet the demands of your performance engine. Upgrade today and experience the difference in your ride!