8911A 1 Locking Header Bolt Kit for GM Small Block
Upgrade your engine with Stage 8 Locking Header Bolt Kit – the ultimate solution for security and reliability!
8911A 1" Locking Header Bolt Kit for GM Small Block
Nº de artículo: 121708160

8911A 1" Locking Header Bolt Kit for GM Small Block

Nº de artículo: 121708160

COP 324650

Price Details

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

*All items will import from Estados Unidos

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Upgrade your engine with Stage 8 Locking Header Bolt Kit – the ultimate solution for security and reliability!
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What Stands Out

Precision Fit
Engineered specifically for GM Small Block, ensuring a perfect fit and compatibility. This reduces the risk of leaks and malfunctions, securing your engine's performance with utmost reliability and safety.
Durable Construction
Crafted from high-quality materials that withstand extreme pressure and temperatures. This locking header bolt kit provides long-lasting durability, outperforming competitors and ensuring engine integrity over time.
Enhanced Performance
Designed to improve exhaust flow and engine efficiency, this kit optimizes performance. Unlock more power from your GM Small Block while reducing maintenance needs, giving you exceptional value for your investment.

Detalles de producto

Shop 8911A 1 Locking Header Bolt Kit for GM Small Block online at a best price in Colombia. B000NN6B6G
Thread Size3/16 inch (802.6 cm)
Exterior FinishNickel
Manufacturer GradeGrade 8
Screw Head StyleHex
Fastener TypeHexagon Bolt
Thread TypeUnc
Thread StyleRight Hand
Item HardnessGrade 8
Head TypeDouble Hex
Thread Class3A
Grade RatingGrade 8
Compatible Groove Diameter1 Inches (2.5 cm)
Material TypeNickel
Finish TypesGlossy
Size NameSmall
Fastener Size3/16 inch (802.6 cm)
Thread CoverageFully Threaded
Item Dimensions3.24 x 2.41 x 1.3 inches (8.2 x 6.1 x 3.3 cm)
BrandStage-8
UPC765709891112
Set NameKit
Global Trade Identification Number00765709891112
ManufacturerStage 8
Number Of Items1
Model8911A
Part Number8911A
Unit Count1 Count
Included ComponentsSBC LONG HD/BLT
Item Type NameSBC LONG HD/BLT
MaterialNickel
Head StyleHex

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Ideal for automotive enthusiasts looking to upgrade their GM Small Block engines with reliable and secure header bolts.

  • Mechanics and Technicians

    Professional mechanics will appreciate the durability and effectiveness of this bolt kit for ensuring proper header installation.

  • Custom Builders

    Designed for custom car builders needing robust components that withstand high-performance conditions and heavy usage.

Not Suitable For
  • Casual Drivers

    Not suitable for everyday drivers who may not need high-performance locking bolts for standard or stock engine setups.

DESCRIPCIÓN DEL PRODUCTO

8911A 1" Locking Header Bolt Kit for GM Small Block

¿Tienes alguna consulta? Chatea con nosotros

Preguntas y respuestas de los clientes

  • Pregunta: What sizes of GM small block does this kit fit?

    Respuesta: It fits GM small block engines ranging from 265 to 400 cu/inches.
  • Pregunta: Are these bolts reusable?

    Respuesta: Yes, the bolts are designed to be removable and reusable.
  • Pregunta: What material are the bolts made from?

    Respuesta: The bolts are made from Grade 8 steel, ensuring they will not stretch when hot.

Stage8 Header Bolts Editorial Review

The 8911A 1" Locking Header Bolt Kit for GM Small Block has garnered a generally positive response from users who appreciate the product's main features and benefits. Customers find the locking header bolts effective in preventing loosening after installation, which is a Considerable advantage over standard bolts. Many users report a significant reduction in the need for Constant tightening, with several expressing satisfaction after months of use without any concerns regarding leaks or bolt stability. The kit is praised for its innovation, featuring a design that allows for easy installation with either an allen wrench or a regular wrench, depending on space Constraints. However, some users have noted that slight modifications may be required for optimal fit on certain header setups. The inclusion of information about these modifications has been viewed positively, as it assists users in achieving the best performance from the bolts. While the product boasts high-quality Construction and effectively tightens headers without inducing leaks, a few criticisms arise regarding the pricing. Some customers feel that for the cost—approximately $70—the kit should include extra locking tabs and circlips. Additional complaints have documented a perceived lack of engineering finesse, particularly concerning the alignment of hex fasteners. This has led to concerns over the bolts' usability in future removal scenarios and has resulted in some expressing reluctance to purchase again. Overall, the 8911A Locking Header Bolt Kit is viewed favorably for its ability to secure headers efficiently, though potential buyers should be aware of the need for minor adjustments during installation and the Considerations regarding the price. **

Customer Reviews & Ratings

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ventajas

  • Effectively prevents loosening of header bolts
  • High-quality Construction ensures no leaks
  • Easy installation with various tool compatibility
  • Customer support provided through modification guidance

Contras

  • May require slight modifications for some setups

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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