What sled does this carb fit on?

[Logun]

Hi board I was given this old carb and was wondering what sled used this carb?
It's says it a TILSTON HR74a is on the carb any help
Is appreciated
Thanks Logun

[foxspoiler]

HR-74A 1-9/ 32" Venturi
l. Internal Pulse
2. Recirculator
4. Fixed Jet-Adjustable
5. Ski-Doo

[SKIBORG]

1971
SKI DOO
Olympique 300
Rotax 302
299cc
Tillotson HR74A

Borg