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๐ง Upgrade your LS engineโs backbone with rock-solid reliability!
This 12-point head stud bolt kit is a premium aftermarket replacement designed for 2004-2019 Chevy LS series engines. Made from high-strength 8740 chromoly steel with a black oxide finish, it offers superior clamping force and corrosion resistance. The kit includes all necessary studs, nuts, and washers engineered for precise torque and uniform load distribution, ensuring enhanced engine durability and performance.
| Asin | B09N6M4X99 |
| Best Sellers Rank | #62,199 in Automotive (See Top 100 in Automotive) #12 in Automotive Replacement Engine Head Bolt Sets |
| Brand | YZQPNB |
| Color | Black |
| Compatible Groove Diameter | 11 millimeters |
| Customer Reviews | 4.1 4.1 out of 5 stars (171) 4.1 out of 5 stars |
| Drive System | Rear-Wheel Drive |
| Exterior Finish | Black Oxide |
| Fastener Size | M11 |
| Fastener Type | Stud Bolt |
| Finish Types | Matte |
| Grade Rating | Class 8.8 |
| Head Type | 12-Point |
| Item Diameter | 11 millimeters |
| Item Hardness | Grade 2 |
| Manufacturer | KET |
| Manufacturer Grade | Grade 2 |
| Material Type | Alloy Steel |
| Maximum Shear Strength | 140 ksi (965 MPa) |
| Metal Type | Alloy Steel |
| Model | 234-4317 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 90 |
| Part Number | 234-4317 |
| Screw Head Style | 12-Point |
| Screw Point Style | 12-Point |
| Set Name | 12-Point Cylinder Gasket Head Stud Bolt Kit (10 M8 Studs, 20 M11 Head Studs, 30 Washers, 30 Nuts) |
| Set Screw Thread Type | Metric |
| Size Name | 234-4317 |
| Thread Size | M11 |
| Thread Style | Right Hand |
| Thread Type | Metric |
| Unit Count | 1 Count |
User
Flawless Product, Fantastic Seller!
Fast delivery, great customer service, and a fantastic product. 10/10!
User
Good ๐
Good
User
Worst Product to Buy wouldnโt recommend
I had gotten a set of these head bolts put them on and when I closed up my motor took the car out for a drive and first start the heads were leaking coolant. I thought I had gotten a set of bad head gaskets but when I took the motor back apart I had 2 broken bolts that were broken inside the block. Now I have 2 broken head bolts in my motor that I still unable to take out. The bolts were only torqued to 60 foot pounds and they still snapped on me. Wouldnโt recommend to buy would find something better then these because if you buy these then you will most likely get some broken bolts
User
Works on aluminum 6.0 LS
Worked on my aluminum 6.0, put these in hand tight, then I copied the other review for torque specs 70lb big bolts and 22lb on small bolts, came with an extra bolt, make sure you use lube on top of washer and top threads
User
Good price just not a big name
Held up with my 5.3 so far and I abuse the ceap out of it. I used them with arp specs
User
Shockingly worked
I was not expecting these headstuds to work, they are inexpensive. They torqued down great and have been holding up well on my engine
User
12point cylinder gasket head stud bolt kit
Product is of good quality. Product is relatively easy to install. Instructions are relatively simple to follow.
User
Love it
Works LOVELY , a lot cheaper than ARP .. just use their grease and these work the same ๐
User
Complete trash, do not trust
Do not trust these studs!! Used ARP lube and torqued to spec, stud broke off in block and I was lucky enough to get it out, all studs stretched at different rates and very inconsistent torque readings, stud was super soft when drilling out, looked at all the other studs that held torque and nuts where pulled sideways and looked cross threaded and would not come off studs
Trustpilot
1 month ago
1 month ago