fronts are always inserts i believe the rears are always full shocks
thats what ive been told when i bought my konis i was suprised to
https://www.demon-tweeks.co.uk/performance/shock-absorbers/car/toyota/starlet-96-99/1997/koni-sport-shock-absorber-rear
https://www.fensport.co.uk/parts/toyota/starlet/1-3-turbo-ep91/chassis-tuning/ep91-koni-top-adjustable-front-shock-absorber/
https://www.dcperformance.co.uk/cheap/272964/toyota/koni-sport-rear-dampers/8040-1216sport.html
other option is bilstein