We  still ride and race on a regular basis, here I'm  doing some final testing on an enduro  setting ??.(yeah we know enduro guys can jump too) 

 We are always testing all makes and models keeping current with newer technology as it comes into market.

 We are conveniently located in the beautiful Shenandoah Valley, 10miles north of Winchester,
 Va or 10miles south of Martinsburg, WVa which ever way  you come from.

 Our goal is to provide a alternate choice for riders/racers, With us  we will custom tailor your
 suspension needs for where and how you ride.

 We are experienced with rebuilding shocks and forks for over 20 years . In 2005 I made the
 decision to go into my own business. With the main goal to help riders like yourself.

 I have attended the John Minnich's  Moto-Pro suspension school located in Seattle,  Wa.


 Certified with the propriety Ultra Max Valving system.
 Experienced  with KYB, Showa, WP, Ohlins

 Networking along with tuners from the west and east coast we can custom tune your     suspension to help maximize the way it was intended to perform.  

 If your into getting the most performance out of your suspension, whether your riding  motocross, GNCC  ,enduro, or trail, Setting it up 4 you is the only way to maximize its full potential.  

 Mission statement:ARS-4 LLC is here to help provide a local source for 1st class suspension tuning/repair , As a rider/racer it is our bussiness to provide you with only the best products

with no bull ,

Our Business

Please call to make an apointment; with being a small shop we like to personalize each job, no two jobs will be the same as we know no two riders are alike. We can get very busy ,And we try to get your suspesnion back to you with just a few days turn around. We do stock most wear items, IE: seals bushings,fluids.etc

We also stock Ultramax valving sytems for most current makes and models.

Who We Are

Allen Shaffer is the owner of ASR-4 LLC , He has been riding and racing for over 35 years, He has and still does compete in all forms of off-road Enduro's, GNCC, Harescrambles, Motocross, Vintage MX.

We presently have  riders in the GNCC, National Enduros, MDRA MX, AMA Distrcit 5 & 7, VCHSS, And Kootnz Adventures series.

Would you like to be part of our a team?And share in the excitement!

Give us a Call 304-702-3544