Front calipers question

[ChrisNicholls]

My FFR front braking kit did not come with bolts.

Unless these are them in the photo below. They are the right thread. The manual is not very helpful.

Yes/no?

Chris

[Jeff Kleiner]

That's them!

Jeff

[ChrisNicholls]

Great! Thanks for the fast response.
Next question, however...

The rotors are 1"wide, but the space between the brake pads is only 15/16"

What am I missing here?189999190000

[egchewy79]

Have you tried inserting the rotor? Measuring tapes have some give at the very end piece so things might be slightly off if you’re pushing vs pulling with the end piece. Make sure your pistons are fully compressed as well

[ChrisNicholls]

I have tried, yes. It does not fit. The pistons appear to be fully compressed. Surely, they shouldn't be that tight. The brakes would be on all the time.
Is it possible that I have mis-matched parts?

Chris

[egchewy79]

If it fits but snug, run them. Pad material will wear off after a few rotations

[42Bfast]

I think those pistons are the screw-in type. There is a tool you can purchase to fit in the two slots/holes on the face of the pistons. (It is a small cube with a different stud pattern on each face.) You may even need to grind off a stud on the tool to get it to fit correctly.
You use the tool with a ratchet to turn the piston which widens the space.

(If the face of the pistons do not have slots or holes then they likely are not the screw-in type. If they are not, then you can use a C-clamp to compress the piston.)

Hope that helps.
(There appears to be multiple postings on this question. I read one of the other ones and responded to it. Since others had responded here I copied my response here to consolidate the conversation)

[KippRacing]

My rotors were really tight on the rear of my 35 truck. Had to do what 42Bfast suggests and turn the pistons in. Those appear to be front brakes in the pic though. You might have to take a small piece of flat steel and a C-clamp and compress the pistons in farther. I had to do this with my front calipers.

[Kbl7td]

If these are literally sitting on your desk I don’t know why you’d need a c clamp. Loosen bleeder screw and squeeze with your hands. Only the read brakes with have the screw in type. Loosen bleeder and use a set of channel locks to turn them in or needle nose.

[ChrisNicholls]

Thank you everyone.
I clamped them and now they fit. I don't know why I didn't think of that.

Thanks!

[ChrisNicholls]

Great advice! Thanks!