I see that there are 2 offerings for underdrive pulleys for my vehicle. I noticed that they are each made from different metals.
Which is the better choice in your opinion,and why?
https://www.summitracing.com/int/parts/asp-528774/overview/year/2000/make/ford/model/f-150
https://www.summitracing.com/int/parts/bbk-15550/overview/year/2000/make/ford/model/f-150
Which is the better choice in your opinion,and why?
https://www.summitracing.com/int/parts/asp-528774/overview/year/2000/make/ford/model/f-150
https://www.summitracing.com/int/parts/bbk-15550/overview/year/2000/make/ford/model/f-150