balancer recomendations

LA engine. I am between these two. The first being a stock replacement.


http://www.jegs.com/i/JEGS-Performance-Products/555/51671/10002/-1

The second being sfi approved, timing marks engraved, snap ring holding rubber together.


http://www.jegs.com/i/JEGS-Performance-Products/555/516031/10002/-1