I believe this dip stick is for a 70 GS 455 NO POWER BRAKE 1230489. Please check the part number for yourself for correct fitment...…. Asking $ OBO SOLD Thanks. “"69 430 Eng" "70-71 455 Eng. exc. 30-4000" 1230489 is the part number for the Oil Gage Rod that is listed and illustrated in the '70 Assembly manual.” .