Triumph Spin on Oil Filter Adaptor TR2, TR3, TR3A, TR4, TR4A -TT10861 Lets face it, changing a Spin-on Oil Filter is a hell of a lot easier than changing the old cartridge type, and a lot less messy. Replace the need for the element type filter, get better oil circulation from start up - when you need it the most. Includes everything you need to convert and uses a standard Spin-on filter Suits both the Tecalemit and the Purolator Original style oil filter housings See the complete PDF Instructions by clicking on the Download Tab on our website listing For the filter see our Borg & Beck part number BFO4077 To Suit Vehicles Triumph TR2 Triumph TR3 Triumph TR3a Triumph TR4 Triumph TR4a TR Register