diff --git a/BurnOutSharp.Builders/PAK.cs b/BurnOutSharp.Builders/PAK.cs
index d8c7d479..249e9240 100644
--- a/BurnOutSharp.Builders/PAK.cs
+++ b/BurnOutSharp.Builders/PAK.cs
@@ -2,6 +2,7 @@ using System.IO;
 using System.Text;
 using BurnOutSharp.Models.PAK;
 using BurnOutSharp.Utilities;
+using static BurnOutSharp.Models.PAK.Constants;
 
 namespace BurnOutSharp.Builders
 {
@@ -104,7 +105,7 @@ namespace BurnOutSharp.Builders
 
             byte[] signature = data.ReadBytes(4);
             header.Signature = Encoding.ASCII.GetString(signature);
-            if (header.Signature != "PACK")
+            if (header.Signature != SignatureString)
                 return null;
 
             header.DirectoryOffset = data.ReadUInt32();
diff --git a/BurnOutSharp.Models/PAK/Constants.cs b/BurnOutSharp.Models/PAK/Constants.cs
new file mode 100644
index 00000000..03929db4
--- /dev/null
+++ b/BurnOutSharp.Models/PAK/Constants.cs
@@ -0,0 +1,11 @@
+namespace BurnOutSharp.Models.PAK
+{
+    public static class Constants
+    {
+        public static readonly byte[] SignatureBytes = new byte[] { 0x50, 0x41, 0x43, 0x4b };
+
+        public const string SignatureString = "PACK";
+
+        public const uint SignatureUInt32 = 0x4b434150;
+    }
+}
\ No newline at end of file