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Kooks Headers Fasteners for 2010-2020 F-150, 2011-2023 MUSTANG - BK109
Part Number: KOK-BK109
Header Fasteners, Bolt Style, Hex Head, M10 x 1.25 Thread, 25mm Underhead Length, Stainless, Natural, Designed for Kooks Headers Only, Ford, Set of 16
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
BK109
Part Type:
Product Line:
Summit Racing Part Number:
KOK-BK109
UPC:
842422177256
Fastener Style:
Bolt
Thread Size:
M10 x 1.25
Head Style:
Hex
Underhead Length (in.):
0.984 in.
Underhead Length (mm):
25.00mm
Fastener Material:
Stainless steel
Fastener Color:
Natural
Quantity:
Sold as a set of 16.
Notes:
Bolts are designed for Kooks headers only.
Kooks Headers Fasteners
Kooks stainless header bolt kits are a premium, OE style replacement solution designed to ensure secure and reliable exhaust header installation. Manufactured from high quality stainless steel, these bolts offer excellent resistance to corrosion, heat, and long term wear, making them ideal for both street and performance applications. Precision engineered for proper fit and consistent clamping force, the kit delivers dependable sealing without the need for additional locking hardware. Intended as a direct replacement for damaged or missing hardware, this bolt kit provides professional grade durability and clean installation quality, backed by the trusted craftsmanship and performance standards Kooks is known for.
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