Feature●compatible with EJ18 EJ20 EJ22 EJ25●Boost Projects Custom Bearing Kit Includes: One Set of Rod Bearings (suits 52 mm journal size) & One Set of Main Bearings (for thrust in #5 position)●Size: Standard, Notes Suits engines with thrust brg in #5 position and 52mm journal only●Made in AustraliaDescription 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.