B52 Brake Calipers

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pontiacgp

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Mar 31, 2006
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Kitchener, Ontario
I ordered some B52 SAE calipers but they turned out to be metric. Rockauto thinks that since they do fit the car it doesn't matter that the ad shows SAE threads and that I would have to pay for the shipping to return them. So I figured screw them and find some conventional pistons and turn it in a conventional instead and throw low drag piston in the junk pile but I cannot find any rebuild kits or a piston. Any of you know where I can find a couple of 2.75" pistons?...... if finding pistons doesn't happen I'll sell these calipers. If I pay for the shipping to return them I basically give up the refund on one caliper so that is not going to happen....... :popcorn:
 
I am confused. D52 calipers are for the full size B-body cars.

D154 calipers are the metric calipers that came on G-bodies, 3rd Gen F-Bodies, and all two wheel drive s10 trucks.

Usually, these calipers are not rebuilt to LOW drag specs as they then can use them on any vehicle.
 
What is Metric, the Banjo Bolts? My 1984 Pontiac Parisianne D52 Calipers had Metric Banjo bolts, Metric Banjo bolts are $6.
 
I am confused. D52 calipers are for the full size B-body cars.

D154 calipers are the metric calipers that came on G-bodies, 3rd Gen F-Bodies, and all two wheel drive s10 trucks.

Usually, these calipers are not rebuilt to LOW drag specs as they then can use them on any vehicle.

I have the 2nd gen Camaro front end. The Camaro has 11" rotors and it uses the same calipers as the 12" B body calipers
 
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I ordered some B52 SAE calipers but they turned out to be metric. Rockauto thinks that since they do fit the car it doesn't matter that the ad shows SAE threads and that I would have to pay for the shipping to return them. So I figured screw them and find some conventional pistons and turn it in a conventional instead and throw low drag piston in the junk pile but I cannot find any rebuild kits or a piston. Any of you know where I can find a couple of 2.75" pistons?...... if finding pistons doesn't happen I'll sell these calipers. If I pay for the shipping to return them I basically give up the refund on one caliper so that is not going to happen....... :popcorn:
Chargeback for item not as described instead? Then if they want em, they can pay for em.
 
I'm still tying to figure out what on the calipers is Metric.

If the Banjo bolts are metric, buy a couple metric banjo bolts, or use the old ones from G-body calipers (Or pretty much any GM car since 1982). If the Pins that came with the calipers are Metric, use your old Pins.

The Calipers don't have any threads other than the Banjo bolts holes and the bleed holes and it should come with bleeders.


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I printed the descriptions last nite....thanks for looking out for me... 🙂
Quite welcome, anytime... if we don't look out for you, who will?

Besides, you know you can't count on the wife... life insurance gives her motive...
 
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