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Closeout Inventory Items by Manufacturer:

Bilstein     Genesis     Hyperco     Öhlins 

Racing shock absorbers must be tuned, often called re-valved, to help achieve maximum race car performance. Calculations can be performed based upon specific vehicle data to determine damping forces. Then valving is modified, often testing several builds with a shock absorber dynamometer to closely match predicted values.  Read more about the Shock Shop tuning philosophy here:  SHOCK SELECTION & TUNING

For many years Shock Shop recommended the Ohlin's ST44 shock absorber.  In the opinion of Shock Shop, it is the most tunable racing shock ever produced by any manufacturer.  Shock Shop ceased representation of Ohlin's when, unfortunately, they stopped production of this shock.  Soon there after, Penske introduced the 7500DA series of shock which, along with the Penske 8300 series are now the best new shocks permiting tuning to meet the needs of a specific race car.

Shock Shop represented Bilstein, Genesis, Hyperco, Mitchell, Öhlins and Rowley products for many years. However, in an  effort to semi-retire, Shock Shop is closing out its inventory of these products and will not be offering additional new product.  Certain of their product information will remain on the Shock Shop website indefinitely.

Rowley Book on Race Car Engineering

Race Car Engineering

If you are serious about racing, you should have this book.  Unfortunately, it is no longer available.  It is intended for anyone who is interested in understanding vehicle dynamics and wanting to improve race car performance. It is meant for both the entry level racer and the more experienced engineer.  It includes a copy of Bill Mitchell's WinGeo 3 software limited only in that one can not save a file.  Learn about RCE


Mitchell Suspension Geometry Software Logo

Mitchell Software

Unfortunately, this software is no longer available.  WinGeo3 4.0 Suspension Geometry with Force-Based Roll Centers is a complete three-dimensional suspension kinematic program. It Provides analysis of Double A-Arm, MacPherson Strut, Five-Link independent, and assorted solid rear-axle suspensions.  Learn about Mitchell