Spec B Axle Dimensions

I'm hoping to have DSS make me a set of rear axles for my build and I'm looking for Spec B axle dimensions(shaft length, total length, CV/spline etc). If anyone has them and/or pics of Spec B rear axles, it would be greatly(GREATLY appreciated). Hopefully they can build nice, much stronger alternative to the ~$600 OEM axles. Thanks in advance for any help.

So I found pics of Spec B axles, no measurements of any sort. I really just need the total length. Looking to have 5-700hp axles made...

Bump. DSS needs the measurement from the edge of the diff seal to the back of the inner race on the wheel bearing(where the cv touches the race). Willing to PayPal anyone with an r180 or spec b axles for ther time and a definite measurement.

Bump. Can anyone with an 07+ spec b help?

My Spec B axles haven't arrived yet. Remind me in a week and I'll measure them.

Bump. Can anyone with an 07+ spec b help?

 

mine are at the shop I could try to measure them for you when I get out from work later

Guys, that'd be great. I need the above mentioned length and outer spline count(wheel side). DSS is saying the pair will run $1k which sounds like a nice option for the already $700 spec b axles. Thanks!

DSS may already make a set I think they are like 750 worth checking into I think they listed as 01 impreza so they can use r180 diff thinking like 750 i was planning to research this but I know lots of those guys use spec b rear axles in some of the conversions///worth checking but besides that i have a set of spec b axles on the way too so I will measure if black hole has not done it first. Blackhole any chance you bought the burned out spec b from the auction?

I've spent many hours researching. The gc's/wrx's swap the outer cv with spec b axles to make them work. The outer spline is different.

I have a set of spec b axles if you describe the measurements you want taken I will get them Assuming you let me know before they are installed on my car.

 

I assume they would need to be exact same length as stock axles in every aspect speed señor pickup location etc ... Except with r180 outer joint to fit in different rear end.

 

Thanks,

Anthony

Anthony,

I need the length of the axle measured from where it seals at the diff and where it would hit the race on the inner wheel bearing. I also need the spline count for the wheel end. Thanks!

-Brian

I do not understand what you mean.

 

You mean from dust shield to dust shield?

 

Splines should be same as all legacy axles but I will count.

Its a terrible MSPaint pic but I need a red to red measurement. And neither I or DSS have the spline count for the legacy. Thanks!

That pic is what I meant dust shield to dust shield.

 

I'll get measurements to you on thurs or Friday

Bump. Anthony, lmk the specs. My diff is on the way, this is the last piece before the swap. Thanks!

bump.

Looks like 31.5" total length 23.75" dust shield to shield and 24splines on the wheel side the 24 is questionable but I think it's right I counted in a hurry and counted the peaks not the valley wich I am assuming is the correct way to count.

 

Let me know if want me to check something else

 

Have any results from the 3071? What size housings do you have?

Thanks a bunch! I should be putting an order in soon.

 

I don't have any real dynos but my road dyno reads ~350whp/330wtq @ 20psi on 93. Its an ATP3071 so it has a .70 a/r. Its the perfect turbo for my set up. I'll PM you so I don't clutter the thread.