Home HPA Engines, FCU's & Trigger Boards Gorilla Fusion Engine Trigger Board View basket “PolarStar Gearbox Shim Set for Cylinder Conversion Kits – 0.152″” 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 Gate PULSAR S Nozzle – 21.25-21.40 mm [M4/M16]Engines, FCU's & Trigger Boards, HPA, Nozzles, Parts £30.00 Add to basket Valken Regulator BonnetHPA, Tanks £12.00 Add to basket Wolverine Airsoft Micro Gauge for Storm RegulatorsHPA, Lines + Regulators £13.00 Add to basket Balystik SMR200 HPA RegulatorHPA, Lines + Regulators £115.00 Add to basket