ACL Race Series Main Bearings 6-Piece Set with Oil Grooves

ACL Race Series Main Bearings 6-Piece Set with Oil Grooves Brand: ACL — engineered for performance and durability. This Race Series 6-piece main bearing set delivers precision fitment and optimized lubrication for high‑revving engines and motorsport applications. Complete set: 6 main bearings — designed to replace factory shells and withstand increased loads. Oil groove configuration: Includes 4 bearings with a single oil groove (block side only) and 2 plain shells. The #4 journal features oil grooves on both sides for enhanced oil distribution where it's most critical. Improved lubrication: Grooves ensure consistent oil flow to bearings and journals, reducing friction and wear under extreme conditions. Precision manufacturing: Tight tolerances and high-quality materials for reliable bearing clearance and long service life. Application: Ideal for race engines, track cars, and high-performance rebuilds. Refer to shell diagrams for #4 journal groove placement and orientation. Upgrade to ACL Race Series main bearings for superior oiling control, dependable performance, and confidence on the track. Always confirm fitment and orientation with your engine's specifications before installation.