0 ratings
8913 3/4
Grade 8 bolts will not stretch when hot, providing reliable performance for your Ford 5.0.
8913 3/4" Locking Header Bolt kit for Ford Small Block
Item #: 121708118

8913 3/4" Locking Header Bolt kit for Ford Small Block

Item #: 121708118

COP 412590

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store
Order now and get it around Sunday, July 26
Our Top Logistics Partners
  • fedex
  • dhl
Grade 8 bolts will not stretch when hot, providing reliable performance for your Ford 5.0.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment

What Stands Out

Durable Construction
Engineered with high-quality materials, ensuring longevity and resistance against extreme conditions, offering reliability for your Ford Small Block engine.
Secure Locking Design
The locking mechanism prevents loosening during operation, maintaining optimal engine performance and reducing maintenance concerns for enthusiasts and professionals alike.
Easy Installation
Designed for straightforward fitting, this kit allows users to quickly replace or upgrade their header bolts, making it accessible to both novice and experienced mechanics.

Product Details

Shop 8913 3/4 Locking Header Bolt kit for Ford Small Block online at a best price in Colombia. B000NN2R96
Exterior FinishPer Item Description
Manufacturer GradeGrade 8
Screw Head StyleHex
ColorSilver
Fastener TypeHexagon Bolt
Thread TypeUnc
Thread StyleRight Hand, 3/8-16 UNC, Full Thread
Item HardnessGrade 8
Head TypeHex
Thread Class1A
Part Interchange Info8913
Grade RatingGrade 8
Compatible Groove Diameter0.75 Inches (1.9 cm)
Screw Point StyleHex
Drive SystemRear-Wheel Drive, All-Wheel Drive
Material TypeNickel
Metal Type[Primary Metal], Nickel
Finish TypesNickel
Item Diameter0.75 Inches (1.9 cm)
Size NameStock
Number of Pieces32
Outside Diameter0.75 Inches (1.9 cm)
Fastener Size3/4 inch (86.4 cm)
Thread CoverageFully Threaded
Item Weight10.24 ounces (290.3 grams)
BrandStage 8
UPC765709891303
Set NameTrue
Global Trade Identification Number00765709891303
ManufacturerStage 8
Number Of Items1
Model8913
Part Number8913
Unit Count1.0 Count
Included ComponentsSBF SHORT H/BLT
Item Type NameSBF SHORT H/BLT
MaterialNickel
Head StyleHex

Who Should Buy?

Suitable For
  • Engine Builders

    This kit is ideal for professional engine builders seeking reliable and durable bolt solutions for Ford small block engines.

  • Car Enthusiasts

    Amateur car enthusiasts looking to upgrade their vehicle's headers will appreciate the quality and security these bolts provide.

  • Performance Tuners

    Performance tuners wanting to enhance engine performance benefit from the robust design of these locking header bolts.

Not Suitable For
  • Casual Drivers

    Casual drivers may not require the specialized performance features of this kit, making it unnecessary for simple maintenance.

Product Description

8913 3/4" Locking Header Bolt kit for Ford Small Block

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What vehicles are compatible with this header bolt kit?

    Answer: This kit is designed for Ford Small Block 5.0 engines.
  • Question: Are the bolts reusable?

    Answer: Yes, the header bolts are removable and reusable.
  • Question: How can I check the tightness without tools?

    Answer: The design allows for visual inspection, so you can gauge tightness without using a wrench.

Stage 8 Header Bolts Editorial Review

The 8913 3/4" Locking Header Bolt kit for Ford Small Block has been received positively by customers looking for a reliable solution to the common issue of header bolts loosening over time. Many users highlighted their frustration with traditional header bolts that would back out after driving, often resulting in ticking noises and exhaust leaks. The locking bolts in this kit have proven effective at securing the headers, eliminating these annoyances for numerous users. Installation seems straightforward for most, although a few customers noted that some modifications might be necessary for optimal fitting, especially when dealing with specific header designs or clearance Constraints. The type of gaskets used can also impact the need for re-torquing; running the engine a couple of times before installing the locking clips has been suggested to ensure a good fit. The key takeaway from the reviews is that once properly installed, these locking header bolts Consistently fulfill their intended purpose, providing peace of mind against frequent maintenance and hassle. While there may be a learning curve to ensure correct application, the overall Consensus reflects satisfaction with the product’s performance and reliability. **

Customer Reviews & Ratings

4.0
1 customers ratings
  • 5 Star
    0%
  • 4 Star
    100%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Effectively prevents header bolts from loosening.
  • Easy to install with proper torque settings.
  • Eliminates exhaust leaks from headers.
  • Maintains performance without frequent re-tightening.
  • Useful for various header designs and applications.

Cons

  • May require slight modifications for fit in tight spaces.

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.