ACL Bearings Nissan RB25/RB30 0.25 Oversized High Performance Main Bearing Set - CT-1 Coated 55341111 Built In Screen Windage Tray

Built In Screen Windage Tray

Optional plug and play hand-held programmer

TBO utilizes specially selected additives in order to protect vital race engine parts during the first startup

63 in Rectangular Port

Kits are available in magnesium or aluminum for early Chevrolet bolt pattern

ACL Bearings Nissan RB25/RB30 0.25 Oversized High Performance Main Bearing Set - CT-1 Coated 55341111 Built In Screen Windage TrayLong term players in the performance engine bearing industry ACL RACE Series Performance Engine Bearings & Calico Coatings have formed a collaboration to offer users an additional option in performance engine building. ACL and Calico are, respectively, technological leaders in the fields of performance engine bearings and performance coatings. Both companies have exemplary reputations for quality, performance & knowledge in their areas of