Looking to enhance the performance of your BMW's Gen 1 B58 engine? The Kelford 257-A camshaft is designed specifically for those who want to take their engine to the next level. With a valve lift of 10.30mm/10.15mm and a duration of 270?/268?, this camshaft is engineered to support bolt-on intake, exhaust, and turbo upgrades, making it a great choice for engines producing between 550-750hp with a 58-68mm turbo.
"After installing the Kelford 257-A, I immediately noticed a difference in my car's responsiveness. The power delivery is smooth and consistent throughout the RPM range!" - Alex T.
"I paired these camshafts with a turbo upgrade, and wow, the performance is incredible! Highly recommend for anyone looking to push their B58 engine further." - Jamie L.
The Kelford 257-A camshaft is built for durability and performance. With its precise engineering, it ensures that your engine runs efficiently while maximizing power output. Remember, proper installation and tuning are essential to fully benefit from this upgrade.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2016-2018 BMW 340i |
340i | 2016-2018 |
|
2019 BMW 440i |
440i | 2019 |
|
2010, 2017-2023 BMW 540i |
540i | 2010, 2017-2023 |
|
2019-2020 BMW 640i |
640i | 2019-2020 |
|
2016-2023 BMW 740i |
740i | 2016-2023 |
|
2015-2018 BMW M140i |
M140i | 2015-2018 |
|
2017-2018 BMW M240i |
M240i | 2017-2018 |

Kelford is a company that was founded in 1968. The company specializes in creating high-performance camshafts for a variety of engine applications. For years, they have provided enthusiasts the chance to have a camshaft that would provide optimum performance and give them the horsepower gain they are searching for. Today, they have turned their small company into a global brand that is trusted by many professional tuners and racers alike.
Continuous ImprovementKelford is steadily making a name for itself when it comes to manufacturing high-performance camshafts. By continuously investing in their research and development, they are able to design products that are better, if not at par with some of the mainstream brands in the market today.
Quality in Every ProductThe company is able to make top quality products by understanding what their customer really needs. Using their experience, knowledge, and understanding of manufacturing, they are able to create products that meet their customer expectations. They use state of the art machinery in order to achieve precision and accurate cuts which is critical when it comes to these engine components.
Purchase Kelford Camshafts at Vivid RacingIf you want a camshaft manufacturing company that understands what it takes to improve your engine performance, then Kelford is the brand for you. With over 50 years of experience when it comes to building camshafts, you know they are a brand that you can trust. Visit Vivid Racing and check out their list of products that would fit your specific requirement.