Features: Withstand high and low temperatures to provide a reliable seal with minimal tightening Each gasket and gasket set is made to be durable and long-lasting Yield significant and noticeable improvements to your car engine overall Applications: For 2007 CHEVROLET AVALANCHE 5.3L 5328CC 325CID V8 FLEX OHV, VIN CODE "0, 3" For 2007 CHEVROLET AVALANCHE 5.3L 5328CC 325CID V8 OHV, VIN CODE "J" For 2007 CHEVROLET SILVERADO 1500 4.8L 294CID V8 OHV, VIN CODE "C, V" For 1999-2006 CHEVROLET SILVERADO 1500 4.8L 294CID V8 OHV, VIN CODE "V" For 2002-2005 CHEVROLET SILVERADO 1500 5.3L 323CID V8 FLEX OHV, VIN CODE "Z" .