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05-06 (ONLY) GTO 3.5 Driveshaft 1000HP 1-Piece Shaft with Direct Fit Rear Flange

$679.99 $611.99
(You save $68.00)

Product Description

GTOSH2 1000HP 1-Piece Aluminum Driveshaft

Now with a direct fit rear flange, eliminates the billet aluminum adapter plate!!!!!

The 3.5" aluminum single piece driveshaft is a direct bolt-on system. Most driveshafts available for the GTO platform require the rear flange to removed from the diff, the problem with this is that the differential is a crush collar type, and the preload on the nut sets the pinion depth to make sure the rear gears have the proper engagement. What we have done is made a 7075-T6 aluminum conversion flange that will bolt directly to the 3 finger flange on the rear But now has Helicoils in the threaded section of the billet plate(same style we make for the 1000HP Supra shafts). This eliminates the need to have a professional set the pinion lash on the differential. Just unbolt the factory 2 piece shaft, install the 1-piece shaft with the included hardware and go. The only necessary modification is the tip of the rear seatbelt bolt that protrudes into the driveshaft tunnel must be ground down to provide adequate clearance for the driveshaft. Changing the shaft in this car is perhaps one of the most noticeable performance enhancements you can do as the car will have better throttle response and feel smoother overall. Not only is it lighter but the hanger bearing on the factory driveshaft moves up and down violently when the car is being driven hard. This action is not only dangerous but robs the drive train of power. Capable of 997lb of torque based on shock factor of 3.5 .

Part Number: GTOSH2-A-0506

Product Reviews

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Showing reviews 1-10 of 21 | Next

  1. Better than OEM

    Posted by Joel on 4th Aug 2017

    Too easy to install. Took longer to hook exhaust back up. One recommendation is maybe a torque spec for the new bolts that are provided. I went with the guten tite torque. Other than than its an awesome upgrade for sure

  2. Great upgrade

    Posted by Gary on 29th May 2017

    The stock 2 piece DS had the typical failed rubber middle bearing, which failed sometime in the last year or so. But the drivetrain always had a 'clunk' and a bit of a wind-up / backlash to - that is now gone. Shipping was quick, and when I got the tracking number, a number was missing, so it didn't come up online. Sent an email late in the evening the next day, just wanting to know when it would show up, and figured I'd hear sometime the next day. To my surprise, Andy responded within the hour with the corrected tracking number and the shipping details. Can't ask for better service than that - a reply early the next day would have been great.

  3. Fantastic upgrade

    Posted by Rya on 11th May 2017

    Amazingly fast shipping, the best price around, and the best product available. The difference between this and stock makes it a whole new car. It's easy to install, getting the factory shaft out is much harder. Make sure to do a little research online and you'll have no issues. I recommend new cradle bushings at the same time if you're still on stock

  4. Hurry Up & DO IT!

    Posted by Grant on 25th Mar 2017

    Can't stress this upgrade enough, probably one of the most noticeable upgrades to the GTO. I was having a lot of wheel hop and my stock drive shaft was in good shape. Put this in and bam wheel hop is almost a thing of the past. Now I can drive my GTO harder and us more of the power it already had. Install was straight forward and I was able to put it in on the garage floor in one evening by myself with hand tools.

  5. great product and price easy install

    Posted by jason on 14th Feb 2017

    Replaced my stock 2 part drive shaft. The carrier bearing had no rubber left around it. Replaced as part of a clutch change out. Work great no vibrations.

  6. Serious Upgrade

    Posted by Christopher Entner on 14th Oct 2016

    My center support bearing was shot on my 05 and after tossing around the idea of replacing just the bearing (which would cost waaaay too much and be risky) I decided to go with the single piece. If you're getting any kind of "shudder" from your drivetrain, I suggest you check out that center support bearing. If and when it goes out, get this product! Installation is simple and the power definitely gets to the wheels way smoother.

  7. great replacement

    Posted by Robert on 23rd Sep 2016

    Was having really bad vibrations from the stock driveshaft, turned out all the rubber around the support bearing was gone so I turned to kollar racing for a replacement and a single piece was the way to go. Was direct fit and didn't have to trim anything. Definitely can feel the difference especially when it comes to the throttle response. You guys have definitely found another returning customer

  8. BEST BANG FOR YOUR BUCK

    Posted by Unknown on 24th Aug 2016

    EASY INSTALL NO VIBRATIONS VERY RESPONSIVE

  9. Cheap and well made!

    Posted by Sidney Rollins on 24th May 2016

    Installed in a fraction of the time it took to get the old 2 piece out. drives much better old carrier was beat plum out, placed the order around 4:00pm on a Tuesday received on Thursday!!!

  10. perfect

    Posted by brian r on 18th Mar 2016

    Fast shipping, direct bolt on and absolutely no additional parts required and the best price ive seen. Kollar, u got yourself a lifetime customer here

Showing reviews 1-10 of 21 | Next

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GTOSH2-A-0506
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