• Cart

SKU #: CNC-421075 MPN #: 421075

CNC Fabrication Stage 1 Beehive Valve Spring Kit 11-26 Ford 6.7L Powerstroke

$429.95
Get 429 points in loyalty rewards
Description
When your 6.7L Powerstroke is built for big horsepower, elevated boost, and higher RPM, stock valve springs simply aren't enough. The CNC Fabrication Stage 2 Beehive Valve Spring Kit is engineered to provide the valve control needed for aggressive performance builds, helping prevent valve float while maintaining consistent valvetrain stability under extreme conditions. Whether you're running a large turbo, aftermarket camshaft, or pushing your truck well beyond factory power levels, this upgrade gives you the confidence to maximize performance without compromising reliability. Manufactured from premium beehive spring material, this Stage 2 kit delivers increased spring pressure while reducing valvetrain mass for improved high-RPM stability and long service life. The precision-engineered springs maintain consistent seat and open pressures for accurate valve control, while the complete kit includes new retainers and keepers for a dependable installation. Built specifically for 6.7L Powerstroke engines, this heavy-duty upgrade is designed to withstand the demands of high-boost, high-performance diesel applications.

Enter your zip and we'll see if installation is available.

  • Request quotes from local installers at checkout
  • Compare options and choose the best fit for your install

When your 6.7L Powerstroke is built for big horsepower, elevated boost, and higher RPM, stock valve springs simply aren't enough. The CNC Fabrication Stage 2 Beehive Valve Spring Kit is engineered to provide the valve control needed for aggressive performance builds, helping prevent valve float while maintaining consistent valvetrain stability under extreme conditions. Whether you're running a large turbo, aftermarket camshaft, or pushing your truck well beyond factory power levels, this upgrade gives you the confidence to maximize performance without compromising reliability.

Manufactured from premium beehive spring material, this Stage 2 kit delivers increased spring pressure while reducing valvetrain mass for improved high-RPM stability and long service life. The precision-engineered springs maintain consistent seat and open pressures for accurate valve control, while the complete kit includes new retainers and keepers for a dependable installation. Built specifically for 6.7L Powerstroke engines, this heavy-duty upgrade is designed to withstand the demands of high-boost, high-performance diesel applications.

Vehicle Fitment
2011-2026 Ford 6.7L Powerstroke
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
About CNC Fabrication
CNC Fabrication is one of the most trusted names in Powerstroke performance and sensible "fix-it" parts to alleviate common problems that plague nearly any model year of Powerstroke engine. CNC Fab initially started off as a side business, and through word of mouth, has grown exponentially to allow the company to continue developing new, innovative products to keep your Ford engine running better, longer.