FJ950, FJ1160, FJ1300, FJK100, FJK140, FJK160, FJK240, FJK340, FJT1200, FJT1500, FJT1700, FJT1800. Ford Industrial Dorset Engines. The length of the arm from the pivot point to the end is 35mm. Most Ford 2700 & 2710 Dorset engines with 1/2" UNF fuel pipe ports, including Thornycroft 250 & Thornycroft 380 boat engines.
eBay