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XDP Main Stud Kit XD3008MS - 2006-2010 GM 6.6L Duramax LBZ/LMM
Upgrade the factory main bolts in your 2006-2010 GM 6.6L Duramax LBZ/LMM with the XDP X220 Main Stud Kit XD3008MS. Whether you are setting up your Duramax for the track or street, upgrading the stock OEM main bolts is a must.
The factory bolts typically can't handle the pressure found in high-horsepower applications. Constructed using an 8740 Chromoly with an added proprietary element ensures these studs will not stretch like the factory bolts. The threads are rolled after heat-treating to deliver maximum fatigue strength. These studs are rated at 220,000-236,000 psi tensile strength and 210,000-230,000 yield strength to ensure a strong hold under higher combustion pressures.
In addition to the upgraded strength, replacing the main bolts with studs also allows you to obtain a more accurate torque reading. A conventional bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time.
With a stud the force gets applied to the vertical axis, resulting in a more even clamping force. In addition, they typically allow for easier engine assembly and proper alignment of the main bearing caps every time.
These are a must have for high-performance applications and are reusable, unlike the OEM Torque-To-Yield (TTY) bolts which must be replaced after each use. This kit includes main studs, 12-point nuts, washers, and installation instructions. Assembly lubricant sold separately.
Features:
Tech Tips:
XDP Thread Cleaning Chasers (Sold Separately):
Both the XD40126TC and XD40125TC are a great add-on that will be critical during installation. Thread Cleaning Chasers are an excellent tool to have on-hand to ensure you have properly cleaned the threads in your engine block before the installation of any fasteners. Clean threads provide accurate torque readings and will help give you peace of mind during your engine build.
XDP X-TRA Slick Engine & Fastener Assembly Lubricant (Sold Separately):
The use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly. Using a proper assembly lubricant during fastener installation reduces friction and torque pre-load scatter in the torquing sequence, while also helping to prevent thread galling and seizing.
Overall rating: 4.7 / 5 from 534 reviews.
First off super happy with the product from quality to fit. This was my first install and it was quite easy all the necessary hardware was there. I was looking for mid price head studs and I’ll say I love them I have a 100% and a s480 I’ve had no problems with it and I beat on it every day. 10/10 recommend.
put in the billet heat exchanger and when removing the old trans lines one of the lines bent when loosening nut. Great quality line fits perfectly way better than factory!
FSD 2003-2007 Dodge Cummins Replacement Transmission Line #1
I absolutely love it I haven’t had any issues at all I appreciate yall for sending me it and taking care of all my problems
Piece showed up in good condition and was easy to install.
Wehrli 15-19 Chevrolet 2500/3500 Front Bumper Valance Filler Panel Kit w/Tow Hooks - Texture Black
Looks way better than stock studs and last longer.
Fit perfectly in the stock location and is way bigger than stock and shipped fast. Would recommend full send diesel to anyone looking at these type of parts!
Mishimoto 03-09 Dodge Ram 5.9L/6.7L Cummins Transmission Cooler
I had a few questions about the install. I called and left a message and then shortly there after my call was returned with the answers I needed. Appreciate the help.
FSD 2013-2018 Dodge Cummins 68RFE Factory Replacement Transmission Line Kit
The billet heat exchanger looks great and is machined nicely. No worries about an internal failure allowing fluids to mix. It seems to be doing its job. It's more robust than the factory style cooler but I don’t believe it is quite as efficient based on warm up times I’m seeing. My only gripe is the bracket mounting bolts, they thread directly onto the cooler instead of passing all the way through and securing with nuts. Make sure to use thread locker along with the lock washers. As a rough guide, torque for M8 fasteners in aluminum should be 11-15 ft lbs, no torque spec is listed for the mounting hardware in the instructions.
👍👍
It’s not bad, I was in a bind and needed a quick fix to get my truck back going. So first things first, the kit works. You can get rid of the steel lines and these will take their place. With about an hour and a half and a little research it doesn’t take much to get these hoses installed. However, I have some gripes about this kit. 1. You have to be very careful about how the lines are run to prevent the hose from kinking. 2. There are no p clamps or hardware included to hold the lines in place. To improve this kit, I’d toss some hose clamps, a couple bolts with some p clamps to hold the hose, maybe a couple pictures on where to run things too, or even total install instructions. Stiffer hose would be good too, in my pictures you can see that the hose going to the front of the engine is trying to kink as it makes the bend to run beside the turbo.
High quality piece!
Excellent customer service.. thank you
Cometic Chrysler 6.2L Hellcat Gen-3 Hemi .060in AFM Supercharger Plenum Gasket
Love the way it looks will look good for my build only 15 and love buying from fsd great people and quality stuff will look good on my first truck
Fast and professional!
XDP Gear Reduction Starter 01-16 GM 6.6L Duramax Wrinkle Black XD251
Great quality product. Length is perfect 👌. Recommend FullSend for all your performance upgrades
It came with no gaskets this item deff needs to be sold with cover gasket as well as the seal for the crank even a plug for the vent or a fitting to hook a tube to the vent. Didn’t come with shit but bolts. Now I got to track everything else down seperatly makes it a pain in the ass. At this point I’d rather have stayed stock
This is an essential upgrade to any Dodge/Ram that’s fighting 68rfe transmission temperature problems. The stock cooler is very insufficient!!
FSD 10-12 Ram/Dodge Cummins Elite Drop-In Transmission Cooler Kit
AN line came apart on the hose barb with the clamping nut still tight within 2k miles. Almost nuked a brand new transmission before i could get it to the shoulder.
FSD 2003-2007 Dodge Cummins Stock Replacement Transmission Line Kit Black Braided
send me some stickers nexted time but all good
I installed them when I built my transmission. Hoses are good quality but fittings felt kind of cheap. Not a bad kit at all. I’d recommend it to anyone. Substantial trans temp difference after putting them on. My trans runs a lot cooler now that I’ve bypassed the heat exchanger. 2012 ram 2500 with 68rfe. 9/10 would recommend. Just be gentle with the fittings
FSD 2010-2012 Dodge Cummins Factory Replacement Transmission Line Kit Black Braided
Awesome upper coolant pipe. Just what I wanted polished to go with my other parts. Great price and fast shipping. Also entries to possibly win a bad ass Cummins.
FSD 10-18 6.7 Cummins Fabricated Upper Coolant Pipe (Single Radiator)
KINGSPEED parts a well built awesome quality
Great replacement transmission line kit for the 4th gen trucks. Other thing I added was heat sock around the lines running by the turbo and down pipe. Also got another transmission by pass block that has removable line adapters, so you can use the AN adapters.
FSD 2013-2018 Dodge Cummins 68RFE Factory Replacement Transmission Line Kit
Love the fitment of the catch can and haven’t had any issues yet great product
Finally got my valve cover and catch can installed!! I couldnt be happier with the way it looks!
I installed this cooler and a few weeks later got into a wreck that was able to damn near total my truck, the frame is bent in 4 places and it shifted my ranch and bumper a foot. This cooler was the only radiator that survived everything else was destroyed and wrapped around the cooler. I called customer support and was able to order new stainless steel brackets and this cooler will live again. I’m very impressed with the quality and strength of this part and would gladly buy it for another truck.
FSD 03-09 Dodge Cummins Elite Drop-In Transmission Cooler Kit
Had a confusion on core for the value body. But once figured out the kit can in a week or less. Pretty easy install. Quality is super high and looks amazing.
Nice
Kingspeed 94-13 Dodge Ram Billet Low Profile Shock Tower Delete Kit
Amazing valve cover!!
Kingspeed 06-Current Dodge Ram Billet Budget Builder Valve Cover
Very happy with quality
These fit perfect. 2026 Ram 2500. Easy install didnt have to remove anything. Have a drill and rivet tool is all you need. Would definitely buy again
I love their product. I change them every three oil changes on my 2002 dodge 2500 diesel.
Everything went together good, no problems
Points added a nice touch where some crappy plastic ones previously resided. Great fit
I buy a lot of parts for you guy for my business. Will be buying more soon. Thank guy keep it up👍👍
Kingspeed 06-Current Dodge Ram Billet Budget Builder Valve Cover
I love the product. I am just upset that it wasn’t clear it doesn’t come with any hardware. I currently have no clue what barb fittings and hose sizes I need to get for the valve cover to my catch can. I am currently using a hardware store setup as this is my first Cummins and my first quality build of a truck. If there’s anyway you could assist me or point me in the right direction that would be awesome. Aside from that I’ve had nothing but compliments on it, I actually won top 10 truck and SCT x GFP in Nashville a few weeks back. Everyone including myself love the valve cover.
Kingspeed 06-Current Dodge Ram Billet Budget Builder Valve Cover
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Absolutely love it best thing I ever did shift great does amazing
Shifter works slick!
FSD always delivers!! 🤘🏻
Upgrade the factory main bolts in your 2006-2010 GM 6.6L Duramax LBZ/LMM with the XDP X220 Main Stud Kit XD3008MS. Whether you are setting up your Duramax for the track or street, upgrading the stock OEM main bolts is a must.
The factory bolts typically can't handle the pressure found in high-horsepower applications. Constructed using an 8740 Chromoly with an added proprietary element ensures these studs will not stretch like the factory bolts. The threads are rolled after heat-treating to deliver maximum fatigue strength. These studs are rated at 220,000-236,000 psi tensile strength and 210,000-230,000 yield strength to ensure a strong hold under higher combustion pressures.
In addition to the upgraded strength, replacing the main bolts with studs also allows you to obtain a more accurate torque reading. A conventional bolt gets twisted as it is tightened, so it's reacting to two different forces at the same time.
With a stud the force gets applied to the vertical axis, resulting in a more even clamping force. In addition, they typically allow for easier engine assembly and proper alignment of the main bearing caps every time.
These are a must have for high-performance applications and are reusable, unlike the OEM Torque-To-Yield (TTY) bolts which must be replaced after each use. This kit includes main studs, 12-point nuts, washers, and installation instructions. Assembly lubricant sold separately.
Features:
Tech Tips:
XDP Thread Cleaning Chasers (Sold Separately):
Both the XD40126TC and XD40125TC are a great add-on that will be critical during installation. Thread Cleaning Chasers are an excellent tool to have on-hand to ensure you have properly cleaned the threads in your engine block before the installation of any fasteners. Clean threads provide accurate torque readings and will help give you peace of mind during your engine build.
XDP X-TRA Slick Engine & Fastener Assembly Lubricant (Sold Separately):
The use of XD541 is highly recommended during engine assembly. Apply XDP X-TRA Slick Lubricant to head studs, head bolts, main studs, main bolts, connecting rod bolts, and any other fasteners used during engine assembly. Using a proper assembly lubricant during fastener installation reduces friction and torque pre-load scatter in the torquing sequence, while also helping to prevent thread galling and seizing.