old metal bi-fold door

A quick learner from Seminole florida says:
Will low profile track assy 21-453 work with door pin cap national 21-113 and bottom pivot assy. 21-046 and pivot bracket national 21-204. and door pin assy. 21-041. I will also use 21-026B pin 21-252 spring and palnuts 21-155 to redo hardware. If not i will change rollers and pivot to match track. was trying to match what I have. Thank you in advance for your time. Bob
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Paul from SWISCO responded:

Thanks for your correspondence, Bob. I believe all the parts you've suggested ought to work fine. Let us know if you have any further inquiries.

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