This is not the expansion plug set for the LPW/S engine
This set comes with all necessary gaskets to perform a top end with the exception of the head gasket
This gasket set is only for a 2 cylinder engine
This will be item 12 on the Lister Petter drawing
This will be item number 15 in the Hercules drawing
366-08126 Filler cap used on the HR, SR, ST, TS/TR, TX Lister Petter engines. LR This is not the expansion366 18126 Filler cap used on the HR, SR, ST, TS TR, TX engines, this cap is used on the gear cover area of both engines. This part has suppersed part numbers 027 03824 and 366 00091 This will be item will be item 5 on the Lister Petter drawing, if the gasket is all that's needed that part number for that gasket is 303 00253.