Atomic Barra Heavy Duty Timing Chain Kit | Core Kit + Sprocket SOHC 1x Atomic On-Car Valve Spring

1x Atomic On-Car Valve Spring Tool Frame

The effect is amplified at higher RPM

pulling heat out of the combustion chamber to help resist detonation and thermal stress

5mm valve head diameter✅ Multi-groove stem – improves retainer grip and compatibility✅ Flash-chromed stem finish – reduces friction and guide wear✅ Ideal for high-boost

Now refined and improved for 2026

Atomic Barra Heavy Duty Timing Chain Kit | Core Kit + Sprocket SOHC 1x Atomic On-Car Valve SpringOur Core + sprocket heavy duty timing chain kit comes with nearly everything you need to replace the timing chain system on every type of Barra from stock to 1500hp. It includes detailed instructions on how to install the included chain, upgraded billet curved guide and billet cromo pivot bolt, new top and straight guides, a new billet crank sprocket, all the required seals and gaskets. Our kit features a heavy duty timing chain which is much stronger