ACL HX Race Main Bearings B16A B17A B18A B18B C1 C5 B20B B20Z K20A2 A3 Z1 A1 K24A2 A4 A8

10+ In Stock

21 of these are currently available in stock at our Sanford, FL location.


One often overlooked part when building an engine is the bearings. Getting a quality set of bearings can directly determine the longevity of your engine.

ACL Race Main Bearings are the perfect bearing upgrade when building an engine. Whether you are building a record-breaking dyno crusher or just rebuilding your daily driver's engine, ACL Bearings are cost effective and dependable. These bearings have an HX at the end of the part number because they are .001" thinner than stock. This allows for more oil clearance which is a popular preference for engines being built for performance use. Always consult with your machine shop before buying bearings to determine which size would be optimal for your proposed use.
ACL Race Series Performance Engine Bearings

The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions

  • 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.


More Information
Availability New In Stock / Available
Barcode 9315726277652
UPC Code 9315726277652
Shipping Weight (Dimensional) 0.630000
Clearance Sale No
Availability In Stock
Part Type Main Bearings
Make Honda / Acura
Model Civic Si 06-11 FA5 (Sedan), Civic Si 06-11 FG2 (Coupe), Civic Si 99-00 EK, CR-V 02-06 RD4-RD9, CR-V 97-01 RD1-RD3, Integra GSR 92-93 DB2, Integra GSR 94-01 DC, Integra LS/RS/GS 90-93 DA/DB, Integra LS/RS/GS 94-01 DC, Integra Type-R 97-01 DC2, RSX Base 02-06 DC5, RSX Type S 02-06 DC5, TSX 04-08 CL9, Accord 06-07 CM4-CM8, Accord 03-05
Engine B16A, B17A, B18A, B18B, B18C1, B18C5, B20B, B20Z, K20A2, K20A3, K20Z1, K20Z3, K24A1, K24A2, K24A4, K24A8
Brand ACL Performance
Competitor Interchange Part Number MS-2095HX MB5259XPSTDX
Bearing Class Race
Bearing oversize HX (Extra Oil Clearance)
Carb Legal Unspecified
Shipping Label Free Shipping


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