Atomic Barra Heavy Duty Timing Chain Kit | Complete Category_FITTINGS This kit allows you to

This kit allows you to do your own detailed porting

SKU: AF557-10

Small Block Ford Cylinder Head to Block Dowel Pin Kit

Natural Cast

AF200-10-1M

Atomic Barra Heavy Duty Timing Chain Kit | Complete Category_FITTINGS This kit allows you toAtomic Barra Heavy Duty Timing Chain Kits Atomic Complete The Problem The factory Barra timing system was never designed for high RPM, big cams, or heavy valve springs. Under load, stock chains stretch, plastic guides shatter, and standard crank sprockets wear out. The result? Catastrophic engine failure. DID YOU KNOW? Just upgrading valve springs alone will add ~40% increase in load on the timing chain compared to standard. More aggressive, higher