Input Fittings for Drop-In Cylinder Kits (Includes O-Ring) JACK the hop-up

the hop-up

The spring keeps pressure against the board when the gearbox is assembled to hold it in place

if you determine your replica takes a #11 JACK nozzle

but "overkill" is basically our middle name

Standard Right Side Plate for either GEN2 or GEN3

Input Fittings for Drop-In Cylinder Kits (Includes O-Ring) JACK the hop-upP N: 100000509 This barb fitting is used universally on all F2, F1 and JACK drop in cylinder kits (1 4 28 threads). However, it is NOT compatible with the Kythera. The Air Input Line (P N 10000244) is not installed on this fitting. It is sold separately by the foot. If you would like a length of line pre installed onto the fitting you can add the fitting, line and the Fitting Assembly Service to your cart and they will be assembled prior to shipping.