Product Summary

1.67" Stud Length, 3/8"-16 Thread Pitch, Steel, Black

  • These studs are manufactured with a unique nut-starter nose
  • Will fit Big Block Chevy engines and comes with 12-point nuts and washers
  • Made from heavy duty steel with a black oxide coating for added protection
  • Feature 3/8"-16 threads (head side) and have a 3/4" thread length (header side)
  • rated at 180,000 psi tensile strength (substantially stronger than Grade 8 hardware)
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Key Specs

MFG. Part #100-1403
BrandARP
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Need To Know

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ARP 100-1403 Details

  • Premium-grade header stud kit
  • Studs are manufactured with a unique nut-starter nose
  • Helps prevent cross-threading
  • Rated at 180,000 psi tensile strength (substantially stronger than Grade 8 hardware)
  • Black oxide coated
  • 3/8"-16 threads (head side)
  • 3/4" thread length (header side)
  • Includes 12-point nuts and washers
  • Fits big block Chevy

ARP 100-1403 Specifications

KEY SPECS
MFG. Part #100-1403
BrandARP
GENERAL
Stud Length1.67"
Thread Pitch3/8"-16
Thread Length0.53"
Thread Pitch (2)3/8"-24
Thread Length (2)0.75"
Material TypeSteel
FinishBlack Oxide
Sold in QuantitySet
NotesSet of 16. Includes washers.
GTIN Code672036000196
ColorBlack

Ratings & Reviews

4.5

4 Reviews

Overall Assessment

Customers deem the product excellent for diverse applications, particularly highlighting its suitability for a y-block needing 14 studs. The quality of the Header Stud Kit is remarked as good, with an ideal fit that improves the performance of dirt late model race cars. Customers report finding the stud kit's versatility effective, even when only 2-3 of the studs are used per side. The product stands out mainly due to the ease of use of its small 12 point nuts with a socket, especially in sprint car headers. It's noted to offer superior quality consistent with the maker, ARP.

4.5

4 reviews

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Filter by Ratings

Great Products , The best

5.0

4 years ago

Thompson Performance

Phoenix

Verified

Worked great for all applications

Would Recommend

Using this on a y-block

5.0

9 years ago

RB35

EC, MD

Verified

Need 14 studs to do a y-block, this one purchase fills that requirement.

Would Recommend

Good Quality Product (Header Stud Kit)

4.0

10 years ago

Intim30

Cincinnati, Ohio

Verified

This is a good quality product. My application is on a dirt late model race car. When this product fits, there is no better. But, the different angle of the exhaust manifolds makes this sometimes impossible to use. Most often I end up only using 2-3 of the studs per side and supplement the remainder with regular header bolts. Again, this is not an issue with the stud kit. It is the positioning of the header pipes.

Would Recommend

ARP offers great quality as usual

4.0

16 years ago

JP24Racer

Chico, Ca

I use them on my sprint car headers and the small 12 point nuts are easy to use with a socket.

Would Recommend

Showing 4 of 4 reviews

Questions & Answers

Fitment

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Customer Impersonation Script