can any one explain the difference between these 3 rocker arms... i just got on summit and put in my year truck and motor 94 ram 318
http://www.summitracing.com/parts/CSP-S70037/

http://www.summitracing.com/parts/CSP-S7306/

http://www.summitracing.com/parts/CSP-S7307/

i look in the application part and all 3 say they fit but i figured i would check with you guys first cause your always on top of the game thanks again

 

I don't think this is discussed enough

You want the 1.7 non-adjustables.
http://www.summitracing.com/parts/CSP-S70037/