ACL Bearings Nissan RB25/RB30 Standard Size High Performance Main Bearing Set Sound Barrier ΓÇóBillet metering blocks with 4-corner

ΓÇóBillet metering blocks with 4-corner idle system

Hoop and Loop Fastener

They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance

1968-1972 Buick Sportwagon CID 364 CC 5967 6

ACL Bearings Nissan RB25/RB30 Standard Size High Performance Main Bearing Set Sound Barrier ΓÇóBillet metering blocks with 4-cornerACL Nissan RB25 RB30 Standard Size High Performance Main Bearing Set Product Description: Main Bearing H Series Standard Nissan 6 Cylinder High performance driving demands that you use the best parts. So rely on ACL's Race Series Products to perform to the exacting race standards you expect. They provide the dependability it takes to hold up under higher RPM conditions. The unique combination of design, metallurgy and engineering come together to