These header gaskets are FOR MANY 1999 thru 2006 CHEVY or GMC 4.8L and 5.3L V8 ENGINES 

Do your own research and be sure your model is not altered prior to buying.

Application for following models best we can tell:

• Chevy Avalanche 1500  2002 2003 2004 2005 2006    5.3L
• Chevy Silverado 1500  1999 2000 2001 2003 2004 2005 2006  4.8L and 5.3L (Except 2005 Chevy Silverado 1500 5.3l)
• Chevy Suburban 1500    2000 2001 2002 2003 2004 2005 2006  5.3L
• Chevy Tahoe  2000 2001 2002 2003 2004 2005 2006   4.8L and 5.3L（except 2001 Chevrolet Tahoe Base Sport Utility 4-Door 4.8L 294Cu. In. V8 GAS)
• GMC Yukon 2001 2002 2003 2004 2005 2006    4.8L and 5.3L
• For Year and Model Please Check Compatibility

Package includes

• Gaskets 
• Bolts