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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Kooks Headers
Kooks BK109 Header Bolt Kit M10-1.25 x 25mm Fine Thread for 2010-2023 Ford F-150 & Mustang (5.0L) - 16pc
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 2010-2023 Ford F-150 and Mustang models (5.0L).
This Kooks BK109 Header Bolt Kit is designed to provide a secure, reliable seal between your high-performance headers and the cylinder head. These fine-thread fasteners are essential for ensuring even clamping force, preventing exhaust leaks that can lead to power loss and engine bay noise. Handcrafted in the USA, this kit is specifically engineered for the Ford 5.0L 4V Coyote engine architecture.
- Replaces worn or damaged OE manifold hardware with precision-engineered bolts
- Fine thread pitch (1.25mm) for increased clamping torque and vibration resistance
- Durable construction to withstand the high heat cycles of performance exhaust systems
- Manufactured in the USA by Kooks Headers and Exhaust
- Manufacturer Part Number: BK109
- Bolt Size: M10
- Thread Pitch: 1.25mm (Fine Thread)
- Length: 25mm
- Quantity: 16 Bolts
- Engine Fitment: 5.0L 4V Coyote
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2020 | Ford | F-150 | King Ranch |
| 2015-2020 | Ford | F-150 | Lariat |
| 2015-2020 | Ford | F-150 | Platinum |
| 2010-2014 | Ford | F-150 | SVT Raptor |
| 2015-2020 | Ford | F-150 | XL |
| 2015-2020 | Ford | F-150 | XLT |
| 2019-2020 | Ford | Mustang | Bullitt |
| 2011-2021 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2021 | Ford | Mustang | GT Premium |
| 2021-2023 | Ford | Mustang | Mach 1 |
| 2015-2020 | Ford | Mustang | Shelby GT350 |
| 2015-2020 | Ford | Mustang | Shelby GT350R |
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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Kooks BK109 Header Bolt Kit M10-1.25 x 25mm Fine Thread for 2010-2023 Ford F-150 & Mustang (5.0L) - 16pc
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
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Fits select 2010-2023 Ford F-150 and Mustang models (5.0L).
This Kooks BK109 Header Bolt Kit is designed to provide a secure, reliable seal between your high-performance headers and the cylinder head. These fine-thread fasteners are essential for ensuring even clamping force, preventing exhaust leaks that can lead to power loss and engine bay noise. Handcrafted in the USA, this kit is specifically engineered for the Ford 5.0L 4V Coyote engine architecture.
- Replaces worn or damaged OE manifold hardware with precision-engineered bolts
- Fine thread pitch (1.25mm) for increased clamping torque and vibration resistance
- Durable construction to withstand the high heat cycles of performance exhaust systems
- Manufactured in the USA by Kooks Headers and Exhaust
- Manufacturer Part Number: BK109
- Bolt Size: M10
- Thread Pitch: 1.25mm (Fine Thread)
- Length: 25mm
- Quantity: 16 Bolts
- Engine Fitment: 5.0L 4V Coyote
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2020 | Ford | F-150 | King Ranch |
| 2015-2020 | Ford | F-150 | Lariat |
| 2015-2020 | Ford | F-150 | Platinum |
| 2010-2014 | Ford | F-150 | SVT Raptor |
| 2015-2020 | Ford | F-150 | XL |
| 2015-2020 | Ford | F-150 | XLT |
| 2019-2020 | Ford | Mustang | Bullitt |
| 2011-2021 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2021 | Ford | Mustang | GT Premium |
| 2021-2023 | Ford | Mustang | Mach 1 |
| 2015-2020 | Ford | Mustang | Shelby GT350 |
| 2015-2020 | Ford | Mustang | Shelby GT350R |
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We only sell authentic products from verified brand partners and retail partners globally.
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