Billet 1.8T to 2.0TFSI Coilpack Adapter Plates For VW Audi Golf Jetta A4 A6 TT  PRODUCT FEATURES: Allows you to upgrade to newer 2.0TFSI VW/Audi Coilpacks In-house CNC machined billet aluminum adapters Looks great in your engine bay Direct fit for ALL 1.8T 20V engines  Complete set with stainless steel bolts WHY UPGRADE YOUR 1.8T COILPACKS TO 2.0TFSI?: Tired of replacing your 1.8T 20V engine coilpacks? Upgrade to the newer 2.0T/R8 coilpacks using our JackSpania Racing Coilpack Adapters and enjoy longer coilpack life, smoother idle, increased off-boost power, and improved fuel economy. This complete set of billet aluminum adapters bolt down to the factory 20V 1.8T valve cover allowing you to run the longer coilpacks found on VW/Audi 2.0T FSI, TSI, and Audi R8 engines. Upgrading to FSI/R8 coilpacks will allow you to run a larger spark plug gap while maintaining a strong spark output. Replacing your outdated coilpacks with the newer technology has shown increased reliability, smoother idle, increased off boost power, and in some cases improved fuel economy.  FITMENT: Audi - A4 1996-2001 (B5 - B5.5) 1.8T 20V engines* Audi - A4 2002-2005 (B6) 1.8T 20V engines Audi - A6 1998-2004 (C5) 1.8T 20V engines Audi - A6 Allroad 1998-2004 (C5) 1.8T 20V engines Audi - TT 2000-2006 (MK1 - 8N) 1.8T 20V engines Audi - A3 1996-2003 (MK1 - 8L) 1.8T 20V engines Audi - S3 1996-2003 (MK1 - 8L) 1.8T 20V engines VW - Golf 1999-2005 (MK4) 1.8T 20V engines VW - GTI 1999-2005 (MK4) 1.8T 20V engines VW - Jetta & Jetta GLI 1999-2005 (MK4) 1.8T 20V engines VW - Beetle 1998-2011 (1C - 9C - 1Y) 1.8T 20V engines VW - Passat 1998-2005 (B5 - B5.5) 1.8T 20V engines*