ACL 5M1959HX-STD ACL ACURA B17A1 / B18A1 / B18B1 / B18C1 / B18C5 VTEC / HONDA K20A3 / K20A2 / K24A Standard S ymm_60 Boost/Vacuum Reference Port - Yes

Boost/Vacuum Reference Port - Yes

When installing Akrapovič aftermarket optional link pipes with sports catalytic converters or without catalytic converters

Large underhead radius for enhanced load distribution

Bolt Torque Value: 15 ft-lbs (20 Nm) with ARP Ultra-Torque Fastener Assembly Lubricant

Stainless Steel wear plates

ACL 5M1959HX-STD ACL ACURA B17A1 / B18A1 / B18B1 / B18C1 / B18C5 VTEC / HONDA K20A3 / K20A2 / K24A Standard S ymm_60 Boost/Vacuum Reference Port - YesDesigned to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications and feature: 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