Apex Cylinder Head Gasket AHG329 for 2002-2009 Buick/Chevrolet/GMC 4.2L L6 (Rainier, Trailblazer, Trailblazer EXT, Envoy)
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The Apex Cylinder Head Bolt Set (part number AHB329) provides the torque-to-yield cylinder head bolts for 2002-2012 Buick, Chevrolet, GMC, and Hummer vehicles with 4.2L, 2.8L, and 2.9L engines. Head bolts stretch when torqued and should be replaced whenever the cylinder head is removed.
Vehicle Fitment:
| Make | Model | Years | Engine |
| Buick | Rainier | 2004-2007 | 4.2L L6 |
| Chevrolet | Colorado | 2004-2012 | 2.8L L4, 2.9L L4, 3.5L L5, 3.7L L5 |
| Chevrolet | Trailblazer | 2002-2009 | 4.2L L6 |
| Chevrolet | Trailblazer EXT | 2002-2006 | 4.2L L6 |
| GMC | Canyon | 2004-2012 | 2.8L L4, 2.9L L4, 3.5L L5, 3.7L L5 |
| GMC | Envoy | 2002-2009 | 4.2L L6 |
| GMC | Envoy XL | 2002-2006 | 4.2L L6 |
| GMC | Envoy XUV | 2004-2005 | 4.2L L6 |
| Hummer | H3 | 2006-2010 | 3.5L L5, 3.7L L5 |
| Hummer | H3T | 2009-2010 | 3.7L L5 |
| Isuzu | Ascender | 2003-2008 | 4.2L L6 |
| Isuzu | i-280 | 2006 | 2.8L L4 |
| Isuzu | i-290 | 2007-2008 | 2.9L L4 |
| Isuzu | i-350 | 2006 | 3.5L L5 |
| Isuzu | i-370 | 2007-2008 | 3.7L L5 |
| Oldsmobile | Bravada | 2002-2004 | 4.2L L6 |
| Saab | 9-7x | 2005-2009 | 4.2L L6 |
Interchanges With: Fel-Pro ES71334
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm.