New Triumph 350 & 500 Unit Twins Sump Oil Filter Spring. Spring will replace Triumph part number 70-3724 and E3724. This part will fit in the bottom of your sump. Fits all Triumph 350 & 500 twins (Daytona, T100R, T100, Tiger, T100C, T90, 3TA, 5TA, Twenty-One, T100A, T100S, T100T, T90SC, T100SC, Trophy, etc) from 1957-1974. Please refer to your parts catalog for proper fitment.

Made in EnglandO.E.M Part number is 70-3724 or E3724