Atomic Heavy Duty Timing Chain Kit – Ford Barra DOHC | Complete less Billet crank sprocket

Atomic Heavy Duty Timing Chain Kit – Ford Barra DOHC

Whether you're refreshing a factory engine or building a 1500hp monster, the Atomic Heavy Duty Timing Chain Kit has everything you need to confidently replace the entire timing system on any Ford Barra DOHC 6-cylinder engine.

This is not just a chain and tensioner kit — it’s a fully engineered solution built for serious performance. Featuring a heavy-duty chain, a hardened billet curved guide, new billet hardened steel crank sprocket, genuine Ford tensioner, and all required guides, bolts, gaskets, and seals, this kit is trusted in both street and full race applications.

We’ve refined every component to survive extreme RPM, big cams, stiff valve springs, and heavy-duty use — with detailed installation instructions included to make your timing system upgrade precise and stress-free.

Key Features:

Suits all Ford Barra DOHC 4.0L 6-cylinder engines (BA–FGX)
Built for everything from stock rebuilds to 1500hp performance builds
includes Atomic Heavy Duty Timing Chain – ~2x strength vs factory
Billet steel curved guide – heat treated, unbreakable, and tip reprofiled to prevent plastic failure
 Billet chromoly pivot bolt for added durability
New top guide and straight guide
Genuine Ford OEM hydraulic chain tensioner
All necessary seals and gaskets included
Full installation instructions included for DIY or pro use

306620-K-T