![Integrated Engineering Billet Steel Main Caps | VW · Audi | 1.8L Turbo I4 · 2.0L Turbo I4 [FSI] D5 A8 3.0L Turbo V6 +19 AWHP & +20 AWFT-LBS](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/IntegratedEngineeringBilletSteelMainCapsVW_Audi1.8LTurboI4_2.0LTurboI4_FSI.png?v=1694399884)
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Ships within 48 hours · Estimated delivery Oct 14 - Oct 19
+19 AWHP & +20 AWFT-LBS gain over stock (APR Stage 1 93)
All stainless hardware
the stock ECU calibration will ignore the harness input until the tune is flashed (do not run ethanol without the TrueFlex tune on the ECU)
The unique architecture and contours allow for a larger internal volume and smoothed airflow while simultaneously shielding it from radiant engine bay heat
Integrated Engineering Billet Steel Main Caps | VW · Audi | 1.8L Turbo I4 · 2.0L Turbo I4 [FSI] D5 A8 3.0L Turbo V6 +19 AWHP & +20 AWFT-LBSWhen 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
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