HD Street Performance

Welcome to HD Street Performance, formerly Head Designs by Dewey We are dedicated to performing head porting and supplying engine packages for HD motorcycles. Our goal is to provide reliable, fun to ride, and cost effective parts matched to the riders’ needs and budget.

The Harley Davidson® is a wonderful motorcycle and with some appropriate changes can provide excellent performance, longevity and comfort.
We will help owners achieve that.

 

 

 

 

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