• Part Number: GS33449
• Brand: Clevite Mahle
• Head Style: Hex Head 15mm & 10mm
• Bolt Thread Size: 11mm x 2.0 & 8mm x 1.25
• Under Head Length: 45mm & 100mm
• Torque To Yield: Yes
• Country Of Origin: USA

This listing is for a brand new complete set of stock style cylinder head bolts from Clevite that are made in the USA. Set includes enough bolts and washers for two heads.

This set fits some 2005-2020 GM 6.0L and 6.2L LS Series engines depending on year and engine VIN codes that are listed below. It also fits some 2004 engines that use the second design style bolts (see Application Note below).

Application Note: Sometime in 2004 GM changed the head bolt design for the LS engines from a first design to a second design set. The first design set has bolts with three different sizes: 8mm x 45mm, 11mm x 100mm & 11mm x 155mm. The second design set has bolts with two different sizes: 8mm x 45mm & 11mm x 100mm.

Cadillac:

• 6.0L 2006- 2007 CTS ...VIN: U
• 6.0L 2004 -2013 Escalade ...VIN: 5, J, N
• 6.0L 2004- 2006 Escalade ESV ...VIN: N
• 6.0L 2004 -2006 Escalade EXT ...VIN: N
   
• 6.2L 2007- 2014 Escalade ...VIN: 2, 8, F
• 6.2L 2007 -2014 Escalade ESV ...VIN: 2, 8, F
• 6.2L 2007- 2013 Escalade EXT ...VIN: 2, 8, F

Chevy:

• 6.0L 2007 -2009 Avalanche ...VIN: Y
• 6.0L 2011- 2017 Caprice ...VIN: 2
• 6.0L 2005 -2007 Corvette ...VIN: U
• 6.0L 2004- 2020 Express 2500 ...VIN: B, G, K, U
• 6.0L 2004 -2020 Express 3500 ...VIN: B, G, K, U
• 6.0L 2009- 2019 Express 4500 ...VIN: B, G, K, U
• 6.0L 2016 -2018 LCF 3500 ...VIN: B, G
• 6.0L 2004- 2013 Silverado 1500 ...VIN: 5, J, N, U, Y
• 6.0L 2007 -2007 Silverado 1500 Classic ...VIN: N
• 6.0L 2004- 2006 Silverado 1500 HD ...VIN: U
• 6.0L 2007 -2007 Silverado 1500 HD Classic ...VIN: U
• 6.0L 2004- 2004 Silverado 2500 ...VIN: U
• 6.0L 2004 -2019 Silverado 2500 HD ...VIN: B, G, K, U
• 6.0L 2007- 2007 Silverado 2500 HD Classic ...VIN: U
• 6.0L 2004 -2006 Silverado 3500 ...VIN: U
• 6.0L 2007- 2007 Silverado 3500 Classic ...VIN: U
• 6.0L 2007 -2019 Silverado 3500 HD ...VIN: B, G, K, U
• 6.0L 2005- 2006 SSR ...VIN: H
• 6.0L 2006 -2009 Suburban 1500 ...VIN: U, Y
• 6.0L 2004- 2013 Suburban 2500 ...VIN: G, K, U
• 6.0L 2016 -2019 Suburban 3500 HD ...VIN: G
• 6.0L 2008- 2013 Tahoe ...VIN: 5, J
• 6.0L 2006 -2009 Trailblazer ...VIN: H
   
• 6.2L 2010- 2015 Camaro ...VIN: J, W
• 6.2L 2008 -2013 Corvette ...VIN: W
• 6.2L 2009- 2013 Silverado 1500 ...VIN: 2
• 6.2L 2014 -2017 SS ...VIN: W
• 6.2L 2008- 2009 Tahoe ...VIN: 2, 8

GMC:

• 6.0L 2004 -2020 Savana 2500 ...VIN: B, G, K, U
• 6.0L 2004- 2020 Savana 3500 ...VIN: B, G, K, U
• 6.0L 2009 -2019 Savana 4500 ...VIN: B, G, K, U
• 6.0L 2004- 2013 Sierra 1500 ...VIN: 5, J, N, U, Y
• 6.0L 2007 -2007 Sierra 1500 Classic ...VIN: N
• 6.0L 2004- 2006 Sierra 1500 HD ...VIN: U
• 6.0L 2007 -2007 Sierra 1500 HD Classic ...VIN: U
• 6.0L 2004- 2004 Sierra 2500 ...VIN: U
• 6.0L 2004 -2019 Sierra 2500 HD ...VIN: B, G, K, U
• 6.0L 2007- 2007 Sierra 2500 HD Classic ...VIN: U
• 6.0L 2004 -2006 Sierra 3500 ...VIN: U
• 6.0L 2007- 2007 Sierra 3500 Classic ...VIN: U
• 6.0L 2007 -2019 Sierra 3500 HD ...VIN: B, G, K
• 6.0L 2004- 2013 Yukon ...VIN: 5, J, U
• 6.0L 2004 -2009 Yukon XL 1500 ...VIN: U, Y
• 6.0L 2004- 2013 Yukon XL 2500 ...VIN: G, K, U
   
• 6.2L 2007 -2013 Sierra 1500 ...VIN: 2, 8
• 6.2L 2007- 2014 Yukon ...VIN: 2, 8, F
• 6.2L 2007 -2014 Yukon XL 1500 ...VIN: 2, 8, F

Hummer:

• 6.0L 2004- 2007 H2 ...VIN: U
   
• 6.2L 2008 -2009 H2 ...VIN: 2, 8

Pontiac:

• 6.0L 2008- 2009 G8 ...VIN: Y
• 6.0L 2005 -2006 GTO ...VIN: U
   
• 6.2L 2009- 2009 G8 ...VIN: W

Pontiac:

• 6.0L 2008 -2009 9-7x ...VIN: H

Please refer to the manufacturers catalog or contact me with any application questions.