RCM Dry Sump Pump to Pan O Ring Seal Gobstopper Tuned plenum volume and runner

Tuned plenum volume and runner length/taper

In conjunction with the RCM Lightweight power steering and alternator pulley we have also incorporated the Fluidampr Crank Pulley

as fitted to WRX/STI from 04/2001

The thin walled steel insert is threaded into the work piece and is then locked in place with an expansion tool

RCM Dry Sump Pump to Pan O Ring Seal Gobstopper Tuned plenum volume and runnerRCM Dry Sump Pump to Pan O Ring Seal For RCM Subaru EJ Series Dry Sump System This O ring provides a precise, leak free seal between the RCM dry sump pump and oil pan. Made from high temp, oil resistant material, it ensures reliable performance under extreme motorsport conditions. Key Features: Precision fit for RCM EJ dry sump systems Heat and oil resistant construction Prevents oil leaks and maintains pressure Ideal for rebuilds, servicing, or leak