Valvetrain components are some of the most important motor modifications you can make on your Mustang. And AmericanMuscle gladly offers all the best bolt-on parts for your valvetrain you can find. AmericanMuscle now carries camshafts, springs, retainers, valve spring kits and even cylinder heads for the 1999 to 2004 4.6 V8 Mustangs. So since that new valvetrain can handle a lot more power, it might be time to grab a Mustang Supercharger
- 1999, 2000, 2001, 2002, 2003, 2004 Mustangs
- V6, GT, SVT Cobra, Cobra, Cobra R, Mach 1, Bullitt Mustangs
*Please see product pages for any exceptions.