Great Product! Will order again
And they haven't failed yet so I'm trying a second set on a customers pickup
Awesome product will sertainly buy again
Chevy Gen III/LS Series Small Block Main Stud Kit 4.8L 5.3L 5.7L 6.0L 6.2L MS334
Great Product! Will order again
6.0L Ford PowerStroke Head Stud Kit 2003-2007
And they haven't failed yet so I'm trying a second set on a customers pickup
Awesome product will sertainly buy again
Chevy Gen III/LS Series Small Block Main Stud Kit 4.8L 5.3L 5.7L 6.0L 6.2L MS334
Hassle free, quick delivery. I have yet to test them , but the quality looks good. I have used ARP in all my other projects and cant wait to see how these hold up.
On my first ever full build, on a LM7 block. I haven’t installed yet but the packaging is great, and the shipping is just perfect. I live in alaska and getting free shipping and quick delivery is always an A in my book. Price is good as i try to keep on a decent budget these were just great for the money. Just certain fasteners i have noticed to be very important, these being one of them and i don’t mind spending money for it, I think you’re getting better stuff then ARP to be honest.
Great looking product. Haven’t used them yet.
My order arrived damaged and I reached out and they were very quick and customer service was exceptional.
6.7L & 5.9L 24V 1998.5-2018 Dodge Cummins Head Stud Kit CP876
6.7L & 5.9L 24V 1998.5-2018 Dodge Cummins Head Stud Kit CP876
7.3L Head Stud Replacement Kit for 1993-2002 Ford Powerstroke Diesel CP879
2020 Chevrolet / GMC 6.6 Duramax
2019 Chevrolet / GMC 6.6 Duramax
2018 Chevrolet / GMC 6.6 Duramax
2017 Chevrolet / GMC 6.6 Duramax
In every diesel car, there are high cylinder pressures that can damage head gaskets. Factory OEM head bolts are torque to yield, meaning you torque the bolt to a specific torque with a final 90-degree rotation that will place the bolt at its’ maximum stretch point.
Our observation through years of dealing with trucks is that when you add parts that increase horsepower (turbocharger, injectors, chips etc.), you risk creating higher cylinder pressures lower than your RPM range, consequently leading to a blown head gasket.
In contrast to head bolts, head studs are engineered to not stretch. Xotic Performance head studs are created using premium steel alloys (XOTIC 7200) that are far superior in tensile strength to a bolt. Our head studs are threaded on top to allow for nut placement which will result in a more accurate torque of the head.
Rather than blowing your head gasket again, we highly recommend replacing your head gaskets with fasteners that have a proven track record of not stretching - so that you never have to deal with the exhaustive procedure of replacing another failed head gasket.
XOTIC 7200 material properties allow for far greater tensile strength compared to 8740 Chromoly steel head studs. Threads are rolled after heat treatment for optimum fatigue strength. Premium quality inspection standards ensure you'll never get a blow head gasket again.
Broached stud ends install & make cylinder head removal easier. Engineered to unleash more performance out of your vehicle. Ample clamping strength prevents cylinder heads from lifting.
Head studs are designed to retain cylinder seal even with today's extremely high-pressure turbo systems. These studs far exceed clamping forces provided by standard Ford head bolts.
Black oxide finish protects from wear and tear. Hardened parallel washers allow for uniform load distribution and accurate torque readings.
All details including torque recommendations are included in the manual for your reference.
Do you have any certificate/tensile strength exam that can attest to the tensile strength you advertise?
Yes, please click on the following link for a tensile strength report by Atrona Labs. We test our head studs extensively to ensure premium quality standards. The video demonstrated in this short preview highlights the one of many spot inspections performed for our head studs.
Do these head studs come with paperwork?
Detailed instructions are included as part of the kit.
Does the kit include an assembly lube?
Yes. Assembly lubricant is included as part of the kit.
What is the tensile strength?
220,000-240,000 PSI.
What material are they made of?
XOTIC 7200 head studs are made from premium steel alloys that allow for far greater tensile strength compared to 8740 Chromoly steel head studs.
Do these come with instructions/torque sequence for replacing 1 at a time with the heads on?
This kit includes instructions with torque spec and sequence.
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