Home HPA Engines, FCU's & Trigger Boards Gorilla Fusion Engine Trigger Board View basket “WE EU17 Part No. G-68 Inhaust Valve” has been added to your basket. Gorilla Fusion Engine Trigger Board£34.99 4 in stock Gorilla Fusion Engine Trigger Board quantity Add to basket Categories: Engines, FCU's & Trigger Boards, HPA Description Trigger Board made for Fusion Engine to have a faster trigger response. Related products Gorilla MMTW KITEngines, FCU's & Trigger Boards, HPA £179.00 Add to basket KAD (Kross Airsoft Design) Balystik Regulator keyHPA, Lines + Regulators £4.00 Add to basket Balystik 8mm Deluxe Braided Line 100cmHPA, Lines + Regulators £35.00 Add to basket Valken 6000psi Mini GaugeHPA, Tanks £10.00 Add to basket