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

Tuned plenum volume and runner length/taper

Manufactured with a much denser rubber compound than OEM mounts

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

Please note that fitting RCM328 will alter the engine's emissions

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