Home HPA Engines, FCU's & Trigger Boards Gorilla Fusion Engine Trigger Board 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 WE EU17 Part No. G-68 Inhaust ValveHPA, Taps Valves + Adapters £10.00 Add to basket Gorilla FCU Wiring Harness – ShortEngines, FCU's & Trigger Boards, HPA £14.99 Add to basket Gorilla FCU Wiring Harness – LongEngines, FCU's & Trigger Boards, HPA £14.99 Add to basket