Garage Build! Do It Yourself Motorcycle Tech Magazine

We at American Iron Magazine love to share our readers’ custom and classic motorcycle projects. There is so much talent and great ideas out there we can’t fit it all in the pages of our regular magazine. So we created American Iron Garage a few years ago. Over the winter we are redesigning and overhauling […]

SAVE $100! DIY HARLEY TECH & GARAGE BUILD CUSTOMS

SAVE $100! DO IT YOURSELF HARLEY TECH & GARAGE BUILD CUSTOMS

DP Clutch Plates for Evos

This story appears in issue #369, which has yet to even hit subscribers’ mailboxes. Consider this a super-private reveal of the kind of tech you’ll find in every issue of American Iron Magazine. Subscribe here and purchase back issues here.  How to replace the worn-out steel and friction plates in your Big Twin’s clutch with new DP […]

Harley Dyna Cockpit Upgrade

In previous issues, our project Street Bob went from being a chromed-out, laid-back bobber to a performance-ready motorcycle covered in shades of black. The cockpit series consisted of installing a Satin Black T-bar from Wild 1 Chubbies, black hand controls from Performance Machine, and a seat from Le Pera. With the bulk of the transformation […]

Legendary Ride on Legend Revo-A Shocks

When it comes to any twin-shock Harley, whether it’s a bagger, Sportster, or Dyna, the most effective upgrade is usually in the suspension department. When it comes to what today’s Harley riders are looking for, excellent performance is paramount, but looks are important, too. Everything else on your bike is beautiful, so shouldn’t your shocks […]

Tuning a CV Carb Part 2

How to adjust the jet needle on an Evo or Twin Cam Sportster or Big Twin’s stock CV carburetor By Chris Maida As stated in Part I of this carb tuning series, though all modern Harleys are fuel-injected, not so long ago Harleys came fitted with a CV carburetor, the best carb H-D ever put […]

MagnaFlow Legacy Gen-X Exhaust

When it comes to performance exhaust, MagnaFlow has been doing it for years on cars and trucks, but only fairly recently launched a line for Harley-Davidsons. Every manufacturer has a slightly different sound, and you can tell the throaty growl of a MagnaFlow system as soon as it hits your ears. MagnaFlow took its years […]

Dynatek 2Ki Ignition System Upgrade

  There’s a fine line between owning a cool vintage bike that’s fun to ride and owning a newer bike that’s comfortable and reliable. Late Shovelhead-era bikes are a great place to start to achieve that balance, and that’s what Milwaukee auto mechanic Zach had in mind when he purchased his father’s 1981 FLT a […]

Rejetting a CV Carb

Rejet and tune the stock CV carb on an Evo, TC, Sportster, or Big Twin by Chris Maida This story appears in American Iron Garage Issue #218, available online now or on newsstands 3/20. Subscribe today to get your hands on all our DIY tech stories every two months for less than half the cost […]

We Gained 6 Horsepower with this S&S Stealth Air Cleaner

In issues #355 and #356 of American Iron Magazine, we installed a S&S Easy Start Gear Drive Cam Chest Kit in a 2006 Road King that already had a new S&S performance air cleaner and exhaust system. We told you at that time we were running this series slightly different than we normally do by […]