ACL Race Rod Bearings RSX & TSX K20z K20z1 K24 K24a2 K20 K20a K20a2 (Standard) 4B1972H-STD

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Product type: ACL

Vendor: ACL

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$57.65

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ACL TRI-METAL RACE SERIES RACE ROD BEARING SET Application: K20A and K24a engines Part# 4B1972H-STD The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Tri-metal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications and feature: - 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 bearing sand 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 con-rod 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.