https://www.dkrgroup.ca/product/15404844/rev-seat-struts
REV Seat Struts | DKR Group
REV Seat Struts are available in 280, 300, 320mm and feature two M8 mounting holes.
seat strutsrevdkrgroup
https://www.robertskartshop.com/store/merchant.mvc?Screen=PROD&Category_code=seat_struts&Product_code=RZ-9
9" seat strut | Seat Struts & Sliders | Roberts Kart Shop
seatstrutslidersrobertskart