ACL Main Bearings for Nissan RB30/RB30ET Turbo Standard Size High Performance

ACL Main Bearings for Nissan RB30 / RB30ET Turbo — Standard Size, High Performance Upgrade your RB30 or RB30ET turbo engine with ACL high performance main bearings . Designed for demanding street and motorsport applications, this standard size bearing set delivers reliable oil film protection, improved fatigue resistance, and precise fitment for Nissan RB30 crankshafts. Application: Nissan RB30, RB30ET turbo engines Size: Standard (OEM) journal diameter Performance: High load capacity, enhanced wear resistance Construction: Multi-layer bearing material for superior conformability and embeddability Fitment: Direct replacement for stock main bearings, easy installation Engineered to withstand elevated boost and higher RPMs, ACL bearings help maintain oil pressure and crankshaft stability under extreme conditions. Ideal for rebuilds, turbo conversions, and performance builds where durability and consistent clearances are critical. Choose ACL for proven quality, precision manufacturing, and components trusted by tuners and race teams worldwide. Ensure correct bearing oil clearance and follow manufacturer torque specifications during installation.