pushrod length

I have adjustable rockers for my 318. When i bought my comp cams K kit, i got pushrods that have a ball on each end. i need a ball, cup pushrod. Comp gave me 7.55 inch pushrods, but do not carry one that length with a ball/cup. I have found some that are close (7.455, 7.5). with the adjustable rocker arm, i should be able to use one of these shorter pushrods and take the extra up with the adjuster, correct?

Thanks

Steve