Drive Shaft Shop Pontiac G8 + TH400 Transmission 3.5" Aluminum + Direct Fit Rear Flange
SKU: 42540965163

Drive Shaft Shop Pontiac G8 + TH400 Transmission 3.5" Aluminum + Direct Fit Rear Flange

Sale price$528.74 Regular price$587.49
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

Drive Shaft Shop Pontiac G8 + TH400 Transmission 3.5" Aluminum + Direct Fit Rear Flange** DSS ITEMS ARE NOT IN STOCK AT SPEEDFACTORY RACING, MOST ITEMS ARE MADE TO ORDER 4 6 WEEKS FROM ORDER DATE ** Available now for the G8 (with a TH400 swap ONLY) is our 3. 50" aluminum shaft. We have done extensive testing with stock rears and with our 9" kit and believe this to the the most cost effective trouble free driveshaft for the G8 available today. Comes with grade 12. 9 hardware with back up lock nuts to ensure no loose bolts. 1 year

** DSS ITEMS ARE NOT IN STOCK AT SPEEDFACTORY RACING, MOST ITEMS ARE MADE TO ORDER 4-6 WEEKS FROM ORDER DATE **

Available now for the G8 (with a TH400 swap ONLY) is our 3.50" aluminum shaft. We have done extensive testing with stock rears and with our 9" kit and believe this to the the most cost-effective trouble-free driveshaft for the G8 available today. Comes with grade 12.9 hardware with back up lock nuts to ensure no loose bolts. 1 year warranty. You will have to remove the heat shield from above center hanger mount to install a 3.50" shaft and there is a possibility of clearance issues with aftermarket exhausts. This is a general warning. We have several test shafts out and not one had an issue. I have listed this because not all exhaust systems have been tested. (We also offer a Carbon fiber shaft is made from 3-3/8 and not the 3-3/4 like other manufacturers)

Special Note: Rear Subframe/Cradle Lock-out kit must be installed on the vehicle prior to installing a Driveshaft Shop 1-Piece Driveshaft. Any damage to the driveshaft (or any subsequent damage) caused by failing to properly reinforce the rear cradle and limit movement will void any and all warranty provided by The Driveshaft Shop.

PART# GMG8SH4-A

Additional Information

  • Weight: 40 lbs
  • Dimensions: 74 × 6 × 6 in
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 42540965163

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ABK
Pawtucket, US
★★★★★ 5
Great no shows for people with larger feet
Size: Large, Color: (001) Black / Black / Castlerock
Some of my favorite socks!! Great quality, fit, and material. I love that they don't slip down in my shoes, especially considering I have larger feet. I also love that Under Armour offers larger sizes in their socks considering everyone in our household has much larger feet than others.
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Reviewed in the United States on May 3, 2026
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Tatacrio
New York, US
★★★★★ 5
Best liner socks EVER
Size: Medium, Color: (348) Silica Green / Silica Green / Hydro Green
I have them in every color and used to get them from Sams, but they stopped selling them and I was lucky to find them on Amazon. Got all colors again. They stay, it's all I'm gonna say! And don't show in any of my tennis shoes. Absolutely love them and wear them until they get holes. They last a LONG time too. They're on the thin side and my foot loves them because they tend to get hot. There's no shrinking, they wash great with exception of the white ones I couldn't manage to keep white - they turned a bit greyish.
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Reviewed in the United States on January 4, 2026
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Christy F
Whiting, US
★★★★★ 5
Great socks
Size: Medium, Color: Pink - 647
Well-made and comfortable to wear. Great for golf and other outdoor activities. Like them because they do not show above shoes.
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Reviewed in the United States on April 19, 2026
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Cait E
Whiting, US
★★★★★ 5
These ACTUALLY stay put all day long - I was skeptical, but am so glad I took a chance on these
Size: Medium, Color: (014) Halo Gray / Halo Gray / Castlerock
I was so skeptical about whether these would stay on my feet all day without sliding down into my shoe - I’ve tried so many socks in the past with the silicone strip on the heel which failed. I’ve owned these for a couple months now and they have never slipped down - they stay put all day! I love the variety of colors to choose from, and the value per pack is great since six pairs come per pack (I thought it was only three when I first purchased and was pleasantly surprised by the additional pairs). They also have perfect thickness - not too warm to wear during the summer months with sneakers; I live in a tropical climate, though, so I’m not sure how they will do in cooler climates. I’ve washed each pair once or twice and the color and quality of the silicone has stayed so far (knock on wood). Overall: high recommend based on my experience so far!
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Reviewed in the United States on September 13, 2025
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Maggie Vega
Birmingham, US
★★★★★ 5
Great fit!
Size: Medium, Color: (403) Washed Navy / Washed Navy / Blue Smoke
Great quality!
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Reviewed in the United States on May 15, 2026

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