8 3/4 SBP disc

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V8 Sam

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Anyone know if there are sbp disc conversion for a body 8.75 rear end?

I know most people wills say just swap to LBP

But I already have the wheels I want and really don't want to swap out my KH 4 pots. And then have to source Lbp wheels/tyres etc. that's all just an extra expense I dont a actually need.
 
Call Doctor Diff. Cass would know if anything is out their.
 
Dr.Diff will modify his to be small pattern for a price, there are others, but most of them require 15 inch rims.
 
Just finished his rear kit. But it's for 4.5 inch pattern.

20200713_214807.jpg
 
They are stock Toyota Supra rotors. Call Dr Diff before I make any wrong suggestions
 
It should just be a matter of getting some rotors with 4" BP. So drilling those would be a good option because i doubt there are any off the shelf 4" BP rotors.
 
You'd also need to address the smaller hub center of the 4" bolt pattern axles and hub centric wheels. If you are using lug centric wheels, that takes them out of the problem.
If you find a kit in which the caliper and rotor will clear your wheels, you'll still need the caliper bracket to take into account the smaller brake gap of the SBP axle.
 
Also remember that rear disks will add 1/2 to 1" to the width of your rear end and you will probably need longer studs.
 
My 5 x 4" bolt pattern rear disc brake kit increases the track width 1/8" per side. It also includes lug studs.
 
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