Terra Firma Nissan Parts presents the ACL Race Series Main Bearing Set, 0.50mm oversized, designed to elevate the performance of your Nissan RB25/30 engine. This exceptional Main Bearing Set showcases a perfect fusion of design, metallurgy, and engineering expertise, delivering unparalleled results for high-performance engines. With our Trimetal engine bearings, drivers can expect enhanced durability, reduced friction, and exceptional reliability. Terra Firma Nissan Parts takes pride in being the go-to destination for top-notch Nissan performance parts, offering a wide range of products to cater to racing, restoration, or showcasing your vehicle with pride. Elevate your driving experience and performance with the ACL Race Series Main Bearing Set for RB25/30 engines. Trust Terra Firma Nissan Parts to deliver the quality and performance you need for your Nissan vehicle.
- High strength overlay plate with reduced thickness for improved fatigue properties
- Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
- Increased crush for improved bearing retention
- Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.
- Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
- 3/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.
- Tight consistent wall tolerances to help you maintain consistent clearances.
- Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.
Customer Reviews
Questions & Answers
Have a Product Question?
Be the first to ask a question about this part.