HPA Power Systems
Engines & Conversion Kits.
Shop HPA engines and conversion systems for performance, speedsoft and competition builds. Find electronic and mechanical HPA systems, replacement components and conversion platforms from leading HPA manufacturers.
Player Tested
Compatibility Help
Performance Focused
Trusted HPA Brands
UK Tech Support
Continue Your Build
Browse HPA Categories
Build around your engine with the correct regulator, tank, electronics, fittings, grips and HPA accessories.
01
Engines & Conversion Kits
Core HPA power systems
02
Regulators
Pressure and airflow control
03
HPA Tanks
Lightweight air systems
04
Lines & Fittings
Airflow connections and accessories
05
FCUs & Batteries
Electronic control and power
06
HPA Grips & Stocks
Competition configurations
07
HPA Adapters
Pistol and platform adapters
08
Complete Setups
Complete matching HPA systems
HPA Power Systems
Browse All HPA
→
HPA Engines & Conversion Kits
Showing all 11 results
-
All Products
AirTac Customs x Polarstar Blackout F2 HPA Engine
Original price was: £449.99.£429.99Current price is: £429.99. Read more -
All Products
Polarstar F2 – HPA Conversion Kit – M4
Original price was: £449.99.£429.99Current price is: £429.99. Read more -
All Products
Polarstar Wire Harness Rev. 2
£13.99 Select options This product has multiple variants. The options may be chosen on the product page
Choosing An HPA Engine?
Build Around The Right System.
Not sure which HPA engine suits your platform or build? Speak to Speedsoft Direct for compatibility advice on engines, gearboxes, FCUs, batteries, regulators and complete HPA systems.