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


Product Description

Please call 631-902-2276 to confirm availability and lead time
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 26 | Next

  1. impressed with this upgrade 5 Star Review

    Posted by on 24th Aug 2023

    Immediately noticed better transfer from engine to rear wheels with this aluminum driveshaft. Stockish 6.0 LS2 but I have zero regrets adding this to my 2005 GTO. Thanks Kollar!

  2. driveshaft 5 Star Review

    Posted by on 30th Sep 2020

    Easy to install and it’s bigger than the stock one

  3. Best Deal/Investment 5 Star Review

    Posted by on 24th May 2019

    Had my Carrier bearing go out so I looked around. Bought the had it 3 days later and my car was back up going. The craftsmanship was flawless.

  4. one-piece driveshaft 5 Star Review

    Posted by on 7th Apr 2019

    I'm waiting for the springs that I ordered so I can installed them all at the same time. This driveshaft looks to be a real quality piece and you have the best price around!

  5. Just do it! 5 Star Review

    Posted by on 8th Mar 2018

    If you have speed related vibrations and still have your original drive shaft, replace it with this, now. Its great.

  6. Better than OEM 5 Star Review

    Posted by 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

  7. Great upgrade 5 Star Review

    Posted by 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.

  8. Fantastic upgrade 5 Star Review

    Posted by 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

  9. Hurry Up & DO IT! 5 Star Review

    Posted by 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.

  10. great product and price easy install 5 Star Review

    Posted by 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.

Showing reviews 1-10 of 26 | Next

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