ACL Race Bearings, Mains, Rods & Thrust Washers: 5M1959H-STD; 4B1946H-STD; 1T1957-STD
ACL Race Bearings, Main:
The unique combination of design, metallurgy and engineering put into ACL Race Bearings comes together to deliver what drivers expect from high performance Trimetal engine bearings.
Part # 5M1959H-STD
Honda B16A, B17A1, B18A1, B18B1, B18B2 & B18C1, B18C2, B18C5, B18C7 & B20B, B20Z & K20A3 & K20A2, K20Z1, K24A, K24Z1
ACL Race Bearings, Rods:
ACL Race Series performance engine bearings are manufactured to exacting tolerances with particular attention paid to wall thickness accuracy. This ensures reliable fit and helps maintain consistent clearances.
Part # 4B1946H-STD
Honda B16A, B17A1, B18A1, B18B1, B18B2 & B20B, B20Z
ACL Thrust Washers:
ACL thrust washers prevent the crankshaft from moving around. Keeping it in line with all of the other critical moving engine parts. It also helps the crankshaft to better stand up to stresses from clutch and flywheel operation. These work in conjunction with ACL Rod & Main bearings.
Part # 1T1957-STD
Honda B16A, B17A1, B18A1, B18B1, B18B2 & B18A/B20A (SOHC only) & B18C1, B18C2, B18C5, B18C7 & B20A, B21A, B21A1 (DOHC only) & B20B. B20Z & D16A, D16B, D16W, D16Y, D16Z & K20A3 & K20A2, K20Z1, K24A, K24Z1 & K20C1