The Devilbiss GTI Pro Lite Spray Gun Repair Kit includes the following parts:

• Spray Head Seal (Part no. SN-18-1-K2)
• Circlip 
• O-Ring
• Spreader Valve Pin
• Needle Spring Kit (Part no. PRO-472-K3)
• Packing, Spring and Packing Nut Kit (Part no. SN-404-K)
• Trigger Screw
• Trigger Stud