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comp cams 106100

  1. 2003 - 2004 Mach 1 Mustang
    NA SVT, I had a few questions in regards to the Comp Cams 106100s and how they're degreed as well as what you recommend for top end (cylinder head) upgrades: 1.) Do you recommend changing the valve springs as well? I know that one of the benefits of these cams is that you can use your stock...