IE Tall Boy Billet Steel Main Caps (VW 4 CYL)
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Product Features


• Ultimate solution for girdle plate installations

• Replaces factory cast main caps

• Reduces main bearing wear

• In-house CNC machined 

• Manufactured in USA 4140

• Stable crankshaft platform

IE Tall Boy Billet Steel Main Caps (VW 4 CYL)

Designed specifically to work with IE girdle kits, IE Tall Boy Main Caps provide a flat foundation for your girdle plate while reducing crankshaft and main bearing wear. These main caps are in-house CNC machined steel for a massive upgrade over the stock cast main caps. A must have when pushing your VW or Audi 4 cylinder engine to the limits!

Availability: In stock

$479.99
SKU: IEBEVA3

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IE Tall Boy main caps

Product Summary

TALL BOY MAIN CAPS FOR GIRDLE PLATES

These main caps are specialty designed to work with a crankshaft girdle plate. Typically, the installation of girdle products requires machining small spacers, which go between the main cap and the girdle, bringing it up to the same level as the pan rails. We have found that using spacers is very difficult to machine to the correct height, even when done with extreme care. Often times this process compromises the installation and results in a warped girdle. IE Tall Boy Main Caps offer the ultimate solution, standing slightly proud of the pan rail as they come out of the box. They are then machined level with the pan rail, resulting in a perfectly flat surface for the installation of your girdle plate, and the most rigid foundation for your crankshaft possible.

 

WHEN TO UPGRADE YOUR MAIN CAPS

The stock main caps are cast and lack the rigidity required for a reliable high powered build. We recommend upgrading to a set of IE Billet Main Caps when building a performance engine exceeding 500HP, or when installing a girdle kit to help reduce crankshaft and main bearing wear. These VW/Audi 4 cylinder main caps are carefully crafted in-house from USA 4140 alloy steel. They provide extreme rigidity to the main bearing and crankshaft, which is a necessity for high horsepower engines. In addition, the large profile and high strength material is much stronger and stiffer than the factory main caps.

REQUIRES MACHINE WORK

IE Tall Boy Main Caps require machine work for installation by a certified machine shop. The main caps sit taller than the block and will require to be machined down to fit your installed girdle plate, this ensures the main caps are an exact fit to your individual block and girdle plate. All IE Billet Main Caps also require an align bore and hone, be sure to check that your machine shop can perform all the required machine work on the mains before ordering. The main caps will need to be align bore and honed using the main bolts or studs of your choice, be sure to supply your machine shop with this hardware as well for proper fitment.  Main journal housing bore size: 2.3228"-2.3236".

VEHICLE FITMENT



  • Audi - A4 1996-2001 (B5 - B5.5) all 4 cylinder engines

  • Audi - A4 2002-2005 (B6) all 4 cylinder engines

  • Audi - A4 2005-2008 (B7) all 4 cylinder engines

  • Audi - A6 2005-2011 (C6) all 4 cylinder engines

  • Audi - A6 Allroad 2005-2011 (C6) all 4 cylinder engines

  • Audi - A6 1998-2004 (C5) all 4 cylinder engines

  • Audi - A6 Allroad 1998-2004 (C5) all 4 cylinder engines

  • Audi - TT 2000-2006 (MK1 - 8N) all 4 cylinder engines

  • Audi - TT 2008-2015 (MK2 - 8J) all 4 cylinder engines (does not fit EA888 Gen1/2 timing chain engines)

  • Audi - TTS 2008-2015 (MK2 - 8J) all 4 cylinder engines

  • Audi - A3 1996-2003 (MK1 - 8L) all 4 cylinder engines

  • Audi - S3 1996-2003 (MK1 - 8L) all 4 cylinder engines

  • Audi - A3 2006-2013 (MK2 - 8P) all 4 cylinder engines (does not fit EA888 Gen1/2 timing chain engines)

  • Audi - S3 2006-2013 (MK2 - 8P) all 4 cylinder engines

  • VW - Golf R 2012-2012 (MK6) all 4 cylinder engines

  • VW - GTI 1993-1999.5 (MK3) all 4 cylinder engines

  • VW - GTI 1999-2005 (MK4) all 4 cylinder engines

  • VW - GTI 2006-2009 (MK5) all 4 cylinder engines (does not fit EA888 Gen1/2 timing chain engines)

  • VW - Jetta 1993-1999 (MK3) all 4 cylinder engines

  • VW - Jetta & Jetta GLI 1999-2005 (MK4) all 4 cylinder engines

  • VW - Golf 1993-1999.5 (MK3) all 4 cylinder engines

  • VW - Golf 1999-2005 (MK4) all 4 cylinder engines

  • VW - Corrado 1988-1995 (A3) all 4 cylinder engines

  • VW - Jetta & Jetta GLI 2006-2010 (MK5) all 4 cylinder engines (does not fit EA888 Gen1/2 timing chain engines)

  • VW - Passat 1998-2005 (B5 - B5.5) all 4 cylinder engines

  • VW - Passat 2006-2010 (B6) all 4 cylinder engines (does not fit EA888 Gen1/2 timing chain engines)

  • VW - EOS 2006-2015 (1F7) all 4 cylinder engines (does not fit EA888 Gen1/2 timing chain engines)

  • VW - Beetle 1998-2011 (1C - 9C - 1Y) all 4 cylinder engines (does not fit EA888 Gen1/2 timing chain engines)


 


ENGINE FITMENT



  • VAG - 1.8T 20V 058 engines

  • VAG - 1.8T 20V 06A engines

  • VAG - 2.0T FSI EA113 engines

  • VAG - 1.8L 8V engines

  • VAG - 1.8L 16V engines

  • VAG - 2.0L 16V engines

  • VAG - 2.0L 8V engines

  • VAG - G60 engines

REQUIRED MAIN STUDS


IE Tall Boy Billet Main Caps are designed for use with a girdle plate and sit taller than a OE main cap. Because of this, stock sized main cap bolts or studs are not tall enough and will not fit.  IE has worked with ARP to manufacture correct length main stud kits for installation of IE Tall Boy main caps on select engines.



 


COMPATIBLE IE GIRDLE KITS


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