Custom Harley-Davidson with a metal-flake tank, performance exhaust, and gold front forks at a gas station

USA-made Harley-Davidson suspension

Own every corner.

No imports. No compromise.

BUY NOW Made in the USA · Manufacturer direct
Southern California / Manufacturer direct

Made in the USA · Manufacturer direct

Built for your bike.

Choose your part. Take a closer look. Configure it for your ride.

BUY NOW$1,699.99
KS-JP / Two piggyback shocks on a white background.
Product photography1.0×
Killer ShoxDetail view

Jump Master Piggyback

KS-JP · Rear suspension

Compact piggyback reservoirs with compression, rebound and spring-preload adjustment.

$1,699.99 USD

BUY NOW

Select your bike, year and setup on the product page. Made to order in the USA.

The Cheater Tree / Front-end geometry

Change the geometry. Own the corner.

Put more weight on the front wheel. Improve fork response. Add ground clearance with stock fork tubes. Meet the part that changes how your front end works.

Explore the Cheater Tree
Cheater Tree

Choose your bike, year and fork setup on the product page. Dedicated kits cover listed Touring, Dyna, M8 Softail, Nightster and Sportster applications; fork diameter and installation requirements vary.

Shop Cheater Tree
Cheater Tree / Actual workshop installation.
Cheater Tree / Installed view
Inside the Killer Shox machine shop, with rows of machining equipment and an American flag
Southern California / Inside the machine shop

Killer Shox / Experience, built in

From the billet to the bike.

Killer Shox has a factory in Southern California, with the machines that make Killer Shox parts. Over 40 years of suspension know-how, put to work for your ride.

Explore Killer Shox
Home base
Southern California, USA
Machining
In our own shop
Your shocks
Hand-built to order
Archival motorcycle road racing photograph from American Suspension's company history
From our motorcycle racing archive

The people behind the parts

Experience you can trace.

Long before Killer Shox, Vince Costa was racing motorcycles and tuning suspension. He brings more than 40 years in motorcycle suspension to the work.

Today, that experience guides the suspension we machine and build in Southern California.

Vince Costa

Vince Costa

Racer and suspension engineer

Racer. Suspension tuner. Mechanical engineer.

Master’s degree in Mechanical Engineering, University of California.

Explore the Killer Shox story

Your next corner starts here.

Shop the hardware. Check the details. Build your ride.