Integrated Engineering Billet Steel Main Caps | VW · Audi | 1.8L Turbo I4 · 2.0L Turbo I4 [FSI] D5 A8 3.0L Turbo V6 longer bolts are required and

longer bolts are required and are provided below

The seal is spring energized to increase stregnth and provide constant outward pressure

When installing a catch can setup

CNC precision press brake bent brackets

Sends sensor data in real-time to IE ECU calibrations

Integrated Engineering Billet Steel Main Caps | VW · Audi | 1.8L Turbo I4 · 2.0L Turbo I4 [FSI] D5 A8 3.0L Turbo V6 longer bolts are required andWhen pushing your VW or Audi engine to the limits, a set of IE Billet Main Caps will provide a rigid foundation for your crankshaft, reducing main bearing wear. These main caps are in house CNC machined steel for a massive upgrade over the stock cast main caps. The stock main caps are cast and lack the rigidity required for a reliable high power build. We recommend upgrading to a set of IE Billet Main Caps when building a performance engine exceeding