🔧 Bolt up your Hemi with power and precision!
This ARP Header Bolt set features 16 premium-grade 8740 chromoly hex bolts with a black oxide finish, designed specifically for Mopar Gen III Hemi 5.7/6.1L engines. With precision 8mm x 1.25 metric threading and washers included, these bolts deliver superior strength, corrosion resistance, and perfect fitment, all proudly manufactured in the USA.
| Material | 8740 chrome moly |
| Thread Size | 8 mm x 1.25 |
| Exterior Finish | Oxide |
| Manufacturer Grade | Premium |
| Head Style | Hex |
| Color | Black |
| Fastener Type | Hexagon Bolt |
| Brand | ARP |
| Thread Type | Metric |
| Item Diameter | 8 Millimeters |
| Thread Style | Right Hand |
| Item Hardness | Grade 8 |
| Size | M8x1.25 |
| Thread Class | 2A |
| Number of Pieces | 1 |
| UPC | 672036048327 |
| Global Trade Identification Number | 00672036048327 |
| Manufacturer | ARP |
| Model | Header Bolt |
| Item Weight | 13.4 ounces |
| Item model number | 140-1101 |
| Manufacturer Part Number | 140-1101 |
| OEM Part Number | 140-1101 |
K**
Great for long tube headers 5.7
Strong and perfect thread size
B**B
Because RACECAR
It's an genuine ARP product, so not much else to say really.
B**N
The best of the best header bolts.
I've researched and researched and found these hold up and live up to the ARP name.
N**S
Great quality
Worked perfect for my long tube header install. 2005 dodge ram 5.7
L**T
Great bolts
Replaced the exhaust manifolds on my Ram with headers. These are great bolts, highly recommend if your swapping to headers.
M**O
What is this
Should have bought it directly from ARP. This is the quality I get from Amazon now. Missing a bolt and 2 washers. This product was purchased as a new item not used.
L**O
Work great
Work great
F**
Fits perfect for 5.7 hemi
Had an exhaust leak from my new headers, replaced the bolts to these, no type of leaks and ticking!!Recommended!
Trustpilot
2 days ago
1 month ago
