Leaving no detail untouched, APR has added APR Valve Stem Caps to the lineup! Sold as a set of 4 aluminium caps, each has an APR logo engraved on the face, which some believe may add horsepower*.
 
Features:
Classy design dresses up your valve stem caps
Silver/gunmetal/black coloured options
APR logo on top
Aluminum
 
*HP gains are unconfirmed.
 
Part #: MS100178 (silver), MS100179 (gunmetal), MS100197 (black)