Features: 1.Fitment: The oil cap is a replacement for Chevy Corvette 1997?2004, repalcement for Firebird LS1 1999?2002, replacement for Chevy Camaro 1998?2010. 2.Premium Material: The engine oil cap is made of high strength aluminium alloy material, which has smooth surface, impact resistant, rust proof and durable. 3.Design: The oil cap is a twist and lock type cap, can effectively seal oil and prevent leakage, the serrated design on the surface is labor saving. 4.Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5.Easy Installation: Easy to install, no modification, cutting, or drilling required. It adopts original standard, which is a good replacement and can perfectly match to your car. Specification: Item Type: Oil Cap_x000D_ Material: Aluminium alloy_x000D_ _x000D_ Fitment:_x000D_ Fits for 3800 Series II Engines both supercharged and regular 3.8_x000D_ Replacement for Chevy Cobalt SS 2.0 supercharged or turbocharged engines_x000D_ Fits for most LS1 Engines_x000D_ _x000D_ Replacement for Chevy Corvette 1997-2004_x000D_ Fits for Firebird LS1 1999-2002_x000D_ Replacement for Chevy Camaro 1998-2010_x000D_ Fits for GTO 2004-2006_x000D_ Fits for G8 2008-2009_x000D_ _x000D_ Fits for CTS 2004-2010_x000D_ Replacement for Chevy Cobalt SS 2.0 2005-2010_x000D_ Replacement for Saturn Redline Supercharged 2.0 2004-2007_x000D_ Fits for Grand Prix 3.8L engines 1997-2007+_x000D_ Fits for Bonneville 1997+_x000D_ _x000D_ Fits for Regal 1997+_x000D_ Replacement for Chevy Impala Monte Carlo Park Avenue 3.8L