I have several "Packs" available that are different combinations of the various upgrade goodies.

They are summarily explained below.
Please click each link for detailed descriptions and Shopping Cart buttons.

• CO2 Power Valve Only
  Fits: 2240 2250 2260
   

• Power Hammer Spring Only
  Fits: 2240 2250 2260 1377 1322 2289
   

• Max Flow Exhaust Bushing Only
  Fits: 2240 2250 2260 1377 1322 2289
   

• Power Pack (CO₂ Valve & Spring)
  Fits: 2240 2250 2260
   

• Power Pack Plus (CO₂ Valve, Spring, Max Flow)
  Fits: 2240 2250 2260
   

• Power Pack Plus for Pumpers (Valve, Spring, Max Flow)
  Fits: 1377 1322 2289 P1377 P1322
   

• Pumper's Pack (Spring & Max Flow Bushing)
  Fits: 2240 2250 2260 1377 1322 2289 362
   

• Triple Pack (Spring, Max Flow Bushing, replacement sleeve)
  Fits: 2240 2250 2260 1377 1322 2289
   

• Flat Man's Pack (Flat Top Valve & Piston, Power Spring, Max Flow Bushing)
  Fits: 1377 1322 P1377 P1322 2289 362
   

• Performance Pack (CO₂ Valve, Spring, Max Flow, Adjustable Sear)
  Fits: 2240 2250
   

• Rifleman's Pack (2260 only (CO₂ Valve, Spring, Max Flow, Trigger))
  Fits: 2260
   

• Professional's Pack (Expensive! Almost every upgrade I offer)
  Fits: 2240 2250

• The Master Class Kit (Similar to the Professional's Pack + Two Stage Trigger)
  Fits: 2240 2250 1322 1377