1z. Douglas 2 3/4hp and 1912-25 Douglas/Edwardian Parts

This listing is for a complete (Oversize) Stainless Steel Fork Spindle Kit to fit Douglas 2 3/4hp models, fitted with the earlier type forks fitted from 1913-19 - of the type shown in the accompanying photographs.  Kit consists of 4 fork spindles, 8 castellated nuts, 8 washers and 8 split pins, all in stainless steel.  Please read listing before ordering - for detailed information about Oversize dimensions

This is the castellated nut as fitted to the front fork spindles on early Douglas models - approximately 1912-1919.  Note that the thread on these nuts is 5/16 x 26tpi BSC (not Douglas 25tpi thread).  Nuts are CNC machined in stainless steel.  Price is for nut and split pin. 

This item is for the disctinctive round head 'captive notch' type engine bolts and 5/16 x 25tpi nut combination, as fitted to the top clamp of early type douglas 2 3/4hp girder forks (approx 1912-18). Item consists of one (captive type) bolt, nut, washer in stainless steel.  See listing for more detail information

This listing is for a pair of shouldered extension bolts to fit early (pre-1919) Douglas fork spindles, and allow for the fitment of an Andre Fork Damper, as per the type in this photo.  See detail listing for further information.  Price is for a matched pair. 

This item is for the disctinctive round head 'captive notch' type engine bolts and 5/16 x 25tpi nut combination, as fitted to early douglas models - i.e. 2 3/4hp (they may also fit 4hp models - but please email for dimensions).  These bolts are CNC'd in stainless steel with correct threads and have a captive silver steel pin fitted in each bolt.  Item consists of one bolt, nut and washer.  See listing for further detail

This item listing is for a set of 4 cylinder barrel base nuts to fit the Douglas 2 3/4 hp models in stainless steel with washers.  These nuts are 5/16" x 25 tpi Douglas thread and have more depth than standard.  CNC manufactured in stainless steel

This item listing is for Douglas 2 3/4hp Valve Caps, CNC manufactured from stainless steel - in 3 styles - the non spark plug/hollow type, 18mm spark plug type and 14mm spark plug.  This is a multiple item listing and it also offers Copper/Abestos type crushable valve cap washers to fit these Douglas valve caps

This item is the distinctive 0.600" Across Flats hex tappet guide that screws into the crankcase of all Douglas 2 3/4hp models (1912-1924).  These are CNC manufactured to the original dimensions in stainless steel.  Price is each 

This listing is for a set of 4 valve springs to fit all Douglas 2 3/4hp (350cc) models.  Springs are high quality UK manufactured to original pattern and design

This is the valve retaining collar of the type fitted to Douglas 2 3/4hp models, used to retain the valve springs by means of this collar and a steel pin that fitted through a hole at the end of the valve.  This type has slightly modified design over the original - having an additional milled slot, to help retain the pin and prevent collar spinning around the valve (see detail listing for more information). The collar is CNC manufactured from EN24T while the pin is from Silver Steel.  Price is for one collar and one pin (4 required per engine)