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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!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Kooks Headers
Kooks Stainless Header Bolt Kit for 2005-2020 Chrysler, Dodge, Jeep & Ram Hemi/Modular (M8-1.25 x 25mm, Qty 16) - BK111
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 2005-2020 Chrysler 300, Dodge Challenger, Charger, Durango, Magnum, and Ram 1500, as well as Jeep Grand Cherokee and Wrangler/JK models.
Kooks BK111 header bolt kits provide a premium hardware solution for securing headers to Hemi or Modular cylinder heads. These bolts are engineered to replace worn or corroded factory hardware, ensuring a consistent seal that prevents exhaust leaks. Manufactured from T304 aircraft-quality stainless steel, this kit is designed to withstand the extreme heat cycles and harsh under-hood environments of high-performance street and race applications.
Each bolt features precision-rolled M8-1.25 threads and a 25mm length to ensure proper engagement and torque retention. Handcrafted in the USA and dyno-tested for reliability, these stainless fasteners offer superior corrosion resistance compared to standard grade-8 or OE bolts.
- Manufacturer Part Number: BK111
- Material: T304 Aircraft-Quality Stainless Steel
- Thread Pitch: M8-1.25
- Length: 25mm
- Quantity: 16 Bolts
- Proudly Manufactured in the USA
- Limited Lifetime Warranty to the original purchaser
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2020 | Chrysler | 300 | C |
| 2013-2014 | Chrysler | 300 | C Luxury |
| 2015-2017 | Chrysler | 300 | C Platinum |
| 2005-2010 | Chrysler | 300 | C SRT8 |
| 2010,2012-2020 | Chrysler | 300 | S |
| 2012-2014 | Chrysler | 300 | SRT8 |
| 2013 | Chrysler | 300 | SRT8 Core |
| 2016 | Dodge | Challenger | 392 Hemi Scat Pack Shaker |
| 2009-2020 | Dodge | Challenger | R/T |
| 2017-2018 | Dodge | Challenger | R/T 392 |
| 2012 | Dodge | Challenger | R/T Classic |
| 2015-2016 | Dodge | Challenger | R/T Plus |
| 2016 | Dodge | Challenger | R/T Plus Shaker |
| 2016-2020 | Dodge | Challenger | R/T Scat Pack |
| 2019-2020 | Dodge | Challenger | R/T Scat Pack Widebody |
| 2016 | Dodge | Challenger | R/T Shaker |
| 2015 | Dodge | Challenger | Scat Pack |
| 2015-2018 | Dodge | Challenger | SRT 392 |
| 2008-2014 | Dodge | Challenger | SRT8 |
| 2017-2018 | Dodge | Challenger | T/A |
| 2017-2018 | Dodge | Challenger | T/A 392 |
| 2017-2018 | Dodge | Charger | Daytona |
| 2017-2018 | Dodge | Charger | Daytona 392 |
| 2012-2020 | Dodge | Charger | Pursuit |
| 2009-2020 | Dodge | Charger | R/T |
| 2017-2018 | Dodge | Charger | R/T 392 |
| 2015-2016 | Dodge | Charger | R/T Road & Track |
| 2015-2018 | Dodge | Charger | R/T Scat Pack |
| 2019-2020 | Dodge | Charger | Scat Pack |
| 2009-2013 | Dodge | Charger | SE |
| 2015-2018 | Dodge | Charger | SRT 392 |
| 2006-2010,2012-2014 | Dodge | Charger | SRT8 |
| 2011-2018 | Dodge | Durango | Citadel |
| 2011-2013 | Dodge | Durango | Crew |
| 2014-2015 | Dodge | Durango | Limited |
| 2011-2018 | Dodge | Durango | R/T |
| 2018 | Dodge | Durango | SRT |
| 2006-2008 | Dodge | Magnum | SRT8 |
| 2009-2010 | Dodge | Ram 1500 | Laramie |
| 2009-2010 | Dodge | Ram 1500 | SLT |
| 2009-2010 | Dodge | Ram 1500 | Sport |
| 2009-2010 | Dodge | Ram 1500 | ST |
| 2009-2010 | Dodge | Ram 1500 | TRX |
| 2009-2010 | Dodge | Ram 1500 | TRX4 |
| 2018 | Jeep | Grand Cherokee | High Altitude |
| 2011-2013 | Jeep | Grand Cherokee | Laredo |
| 2011-2018 | Jeep | Grand Cherokee | Limited |
| 2011-2018 | Jeep | Grand Cherokee | Overland |
| 2012 | Jeep | Grand Cherokee | Overland Summit |
| 2014-2018 | Jeep | Grand Cherokee | SRT |
| 2012-2013 | Jeep | Grand Cherokee | SRT8 |
| 2014-2018 | Jeep | Grand Cherokee | Summit |
| 2018 | Jeep | Grand Cherokee | Trackhawk |
| 2017-2018 | Jeep | Grand Cherokee | Trailhawk |
| 2011 | Jeep | Wrangler | 70th Anniversary |
| 2016 | Jeep | Wrangler | 75th Anniversary |
| 2007-2017 | Jeep | Wrangler | Rubicon |
| 2007-2017 | Jeep | Wrangler | Sahara |
| 2010-2017 | Jeep | Wrangler | Sport |
| 2016 | Jeep | Wrangler | Sport S |
| 2011 | Jeep | Wrangler | Unlimited 70th Anniversary |
| 2016 | Jeep | Wrangler | Unlimited 75th Anniversary |
| 2007-2017 | Jeep | Wrangler | Unlimited Rubicon |
| 2007-2017 | Jeep | Wrangler | Unlimited Sahara |
| 2010-2017 | Jeep | Wrangler | Unlimited Sport |
| 2016 | Jeep | Wrangler | Unlimited Sport S |
| 2007-2010 | Jeep | Wrangler | Unlimited X |
| 2007-2010 | Jeep | Wrangler | X |
| 2018 | Jeep | Wrangler JK | Rubicon |
| 2018 | Jeep | Wrangler JK | Sahara |
| 2018 | Jeep | Wrangler JK | Sport |
| 2018 | Jeep | Wrangler JK | Sport S |
| 2018 | Jeep | Wrangler JK | Unlimited Rubicon |
| 2018 | Jeep | Wrangler JK | Unlimited Sahara |
| 2018 | Jeep | Wrangler JK | Unlimited Sport |
| 2018 | Jeep | Wrangler JK | Unlimited Sport S |
| 2011-2020 | Ram | 1500 | Big Horn |
| 2012-2018 | Ram | 1500 | Express |
| 2014 | Ram | 1500 | HFE |
| 2011-2020 | Ram | 1500 | Laramie |
| 2014-2015 | Ram | 1500 | Laramie Limited |
| 2011-2020 | Ram | 1500 | Laramie Longhorn |
| 2015-2020 | Ram | 1500 | Limited |
| 2014-2020 | Ram | 1500 | Lone Star |
| 2011-2016 | Ram | 1500 | Outdoorsman |
| 2013 | Ram | 1500 | R/T |
| 2015-2020 | Ram | 1500 | Rebel |
| 2011-2018 | Ram | 1500 | SLT |
| 2014-2018 | Ram | 1500 | Special Service |
| 2011-2018 | Ram | 1500 | Sport |
| 2011-2012 | Ram | 1500 | ST |
| 2011-2020 | Ram | 1500 | Tradesman |
| 2012 | Ram | 1500 | Tradesman HD |
Choose your Location
-
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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If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
Kooks Stainless Header Bolt Kit for 2005-2020 Chrysler, Dodge, Jeep & Ram Hemi/Modular (M8-1.25 x 25mm, Qty 16) - BK111
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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Our prices are updated daily to ensure we can offer you the best possible price. In the unlikely case that you have found a lower price, please contact us at hello@atlusauto.com and we'll do our best to answer your query right away!
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Fits select 2005-2020 Chrysler 300, Dodge Challenger, Charger, Durango, Magnum, and Ram 1500, as well as Jeep Grand Cherokee and Wrangler/JK models.
Kooks BK111 header bolt kits provide a premium hardware solution for securing headers to Hemi or Modular cylinder heads. These bolts are engineered to replace worn or corroded factory hardware, ensuring a consistent seal that prevents exhaust leaks. Manufactured from T304 aircraft-quality stainless steel, this kit is designed to withstand the extreme heat cycles and harsh under-hood environments of high-performance street and race applications.
Each bolt features precision-rolled M8-1.25 threads and a 25mm length to ensure proper engagement and torque retention. Handcrafted in the USA and dyno-tested for reliability, these stainless fasteners offer superior corrosion resistance compared to standard grade-8 or OE bolts.
- Manufacturer Part Number: BK111
- Material: T304 Aircraft-Quality Stainless Steel
- Thread Pitch: M8-1.25
- Length: 25mm
- Quantity: 16 Bolts
- Proudly Manufactured in the USA
- Limited Lifetime Warranty to the original purchaser
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2020 | Chrysler | 300 | C |
| 2013-2014 | Chrysler | 300 | C Luxury |
| 2015-2017 | Chrysler | 300 | C Platinum |
| 2005-2010 | Chrysler | 300 | C SRT8 |
| 2010,2012-2020 | Chrysler | 300 | S |
| 2012-2014 | Chrysler | 300 | SRT8 |
| 2013 | Chrysler | 300 | SRT8 Core |
| 2016 | Dodge | Challenger | 392 Hemi Scat Pack Shaker |
| 2009-2020 | Dodge | Challenger | R/T |
| 2017-2018 | Dodge | Challenger | R/T 392 |
| 2012 | Dodge | Challenger | R/T Classic |
| 2015-2016 | Dodge | Challenger | R/T Plus |
| 2016 | Dodge | Challenger | R/T Plus Shaker |
| 2016-2020 | Dodge | Challenger | R/T Scat Pack |
| 2019-2020 | Dodge | Challenger | R/T Scat Pack Widebody |
| 2016 | Dodge | Challenger | R/T Shaker |
| 2015 | Dodge | Challenger | Scat Pack |
| 2015-2018 | Dodge | Challenger | SRT 392 |
| 2008-2014 | Dodge | Challenger | SRT8 |
| 2017-2018 | Dodge | Challenger | T/A |
| 2017-2018 | Dodge | Challenger | T/A 392 |
| 2017-2018 | Dodge | Charger | Daytona |
| 2017-2018 | Dodge | Charger | Daytona 392 |
| 2012-2020 | Dodge | Charger | Pursuit |
| 2009-2020 | Dodge | Charger | R/T |
| 2017-2018 | Dodge | Charger | R/T 392 |
| 2015-2016 | Dodge | Charger | R/T Road & Track |
| 2015-2018 | Dodge | Charger | R/T Scat Pack |
| 2019-2020 | Dodge | Charger | Scat Pack |
| 2009-2013 | Dodge | Charger | SE |
| 2015-2018 | Dodge | Charger | SRT 392 |
| 2006-2010,2012-2014 | Dodge | Charger | SRT8 |
| 2011-2018 | Dodge | Durango | Citadel |
| 2011-2013 | Dodge | Durango | Crew |
| 2014-2015 | Dodge | Durango | Limited |
| 2011-2018 | Dodge | Durango | R/T |
| 2018 | Dodge | Durango | SRT |
| 2006-2008 | Dodge | Magnum | SRT8 |
| 2009-2010 | Dodge | Ram 1500 | Laramie |
| 2009-2010 | Dodge | Ram 1500 | SLT |
| 2009-2010 | Dodge | Ram 1500 | Sport |
| 2009-2010 | Dodge | Ram 1500 | ST |
| 2009-2010 | Dodge | Ram 1500 | TRX |
| 2009-2010 | Dodge | Ram 1500 | TRX4 |
| 2018 | Jeep | Grand Cherokee | High Altitude |
| 2011-2013 | Jeep | Grand Cherokee | Laredo |
| 2011-2018 | Jeep | Grand Cherokee | Limited |
| 2011-2018 | Jeep | Grand Cherokee | Overland |
| 2012 | Jeep | Grand Cherokee | Overland Summit |
| 2014-2018 | Jeep | Grand Cherokee | SRT |
| 2012-2013 | Jeep | Grand Cherokee | SRT8 |
| 2014-2018 | Jeep | Grand Cherokee | Summit |
| 2018 | Jeep | Grand Cherokee | Trackhawk |
| 2017-2018 | Jeep | Grand Cherokee | Trailhawk |
| 2011 | Jeep | Wrangler | 70th Anniversary |
| 2016 | Jeep | Wrangler | 75th Anniversary |
| 2007-2017 | Jeep | Wrangler | Rubicon |
| 2007-2017 | Jeep | Wrangler | Sahara |
| 2010-2017 | Jeep | Wrangler | Sport |
| 2016 | Jeep | Wrangler | Sport S |
| 2011 | Jeep | Wrangler | Unlimited 70th Anniversary |
| 2016 | Jeep | Wrangler | Unlimited 75th Anniversary |
| 2007-2017 | Jeep | Wrangler | Unlimited Rubicon |
| 2007-2017 | Jeep | Wrangler | Unlimited Sahara |
| 2010-2017 | Jeep | Wrangler | Unlimited Sport |
| 2016 | Jeep | Wrangler | Unlimited Sport S |
| 2007-2010 | Jeep | Wrangler | Unlimited X |
| 2007-2010 | Jeep | Wrangler | X |
| 2018 | Jeep | Wrangler JK | Rubicon |
| 2018 | Jeep | Wrangler JK | Sahara |
| 2018 | Jeep | Wrangler JK | Sport |
| 2018 | Jeep | Wrangler JK | Sport S |
| 2018 | Jeep | Wrangler JK | Unlimited Rubicon |
| 2018 | Jeep | Wrangler JK | Unlimited Sahara |
| 2018 | Jeep | Wrangler JK | Unlimited Sport |
| 2018 | Jeep | Wrangler JK | Unlimited Sport S |
| 2011-2020 | Ram | 1500 | Big Horn |
| 2012-2018 | Ram | 1500 | Express |
| 2014 | Ram | 1500 | HFE |
| 2011-2020 | Ram | 1500 | Laramie |
| 2014-2015 | Ram | 1500 | Laramie Limited |
| 2011-2020 | Ram | 1500 | Laramie Longhorn |
| 2015-2020 | Ram | 1500 | Limited |
| 2014-2020 | Ram | 1500 | Lone Star |
| 2011-2016 | Ram | 1500 | Outdoorsman |
| 2013 | Ram | 1500 | R/T |
| 2015-2020 | Ram | 1500 | Rebel |
| 2011-2018 | Ram | 1500 | SLT |
| 2014-2018 | Ram | 1500 | Special Service |
| 2011-2018 | Ram | 1500 | Sport |
| 2011-2012 | Ram | 1500 | ST |
| 2011-2020 | Ram | 1500 | Tradesman |
| 2012 | Ram | 1500 | Tradesman HD |
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