Spare parts for BDI Trigger Injectors, keep your tools in the best condition and ready for competition day. Always good to have spare parts on hand and this O-Ring Kit contains the following:

2 - Check Valves and Spring (B & C)

1 - Large O Ring (E)

2 - Small O Rings (D)

2 - Medium O Rings (A)

DOES NOT CONTAIN NEEDLES or MAIN SYRINGE ASSEMBLY