harley tune up speeds performance plus

Speed's Spotlight

Auto-tune systems are an electromechanical marvel but consider turning your bike over to a professional tuner for a diagnostic dyno pull first…
twin cam versus milwaukee eight

Speed’s Spotlight

Unquestionably, the release of the Milwaukee-Eight is exciting. But so is 130-plus horsepower in a Twin Cam 106, especially when it’s sitting in a bike you already…
speeds spotlight harley clutches

Why you want a better clutch for all that new horsepower

The team at Speed’s Performance Plus has addressed all this—big power and the clutches to match—for decades and have plenty to say about both.
2009 harley cvo road glide

Upping compression makes for a better Twin Cam

Speed's Performance Plus on how to get better performance out of a Twin Cam 110…
speeds performance carburetor advice

Speed’s Spotlight

Get more bang from your motorcycle carburetor.
motorcycle battery

Speed’s Spotlight

Never underestimate the value of a good battery.