Schroth Racing Profi II ASM FE 4-Point Harness

Lap Adjusters

Designed to fit:

  • Universal Fit 

 Product Details

(Plug 'n Play with Porsche Factory Carbon Race Seats)

The Profi II ASM FE is essentially the same as the Profi II ASM, except it features a Push-Button Cam lock for applications where street driving is anticipated. The red push button that says "Press" is necessary to retain street legality and so an EMT that shows up at an accident scene will know how to release your restraint. The FE version also features sewn in bendable Bolt-In tabs for the lap belt attachment points, for use in applications where space is limited. Because of the sewn in end fittings, the Flexi lap belt is not available in this harness. It is designed to be used as a four point system. For this reason it is perfect for use in Driver Education cars or any other application where stock seats are retained. A seat that was not originally desiged for use with a racing restraint should never be modified to accept an sub strap.

The Profi II ASM incorporates Schroth's legendary ASM (Anti-SubMarining) technology that is the only thing like it on the market. ASM is an extra fold of material sewn into the right shoulder belt that elongates at a different rate than the outboard belt. This allows your upper torso to twist slightly. On the rebound phase, your torso is planted firmly back in the seat rather than allowed to slide under the lap belt.

You can add a dual sub strap to make this belt into a 6 point at any time. We have tested this harness with a HANS device and the results were great. You can use a 4 point ASM Harness with a HANS device.

The lap belts provided with this harness are only available in the Bolt-In style as they are most commonly needed in setups requiring street legality. If you need different setups, please call or email us. These are available in both Pull-up and Pull-down.

The Shoulders come with wrapped in B23C bolt-in brackets.


End Fittings

  • Shoulder: B23C Bolt-In Brackets
  • Lap: Sewn-in B23A Bolt-In Brackets
  • Subs: Available Separately

Included Hardware

  • (4) SG10 7/16"x25mm bolts
  • (4) S3 Wavy Washers


  • FIA Tags Standard




About Schroth Racing Products

SCHROTH Safety Products GmbH has been developing and manufacturing restraint systems and other safety solutions for highly specialized applications in vehicles and aircraft for many decades. SCHROTH and its sister companies operate manufacturing and development facilities in Arnsberg, North Rhine-Westphalia, Federal Republic of Germany and in Pompano Beach / Florida (USA).

SCHROTH is a world leader in restraint technology for aircraft and ground vehicle applications, offering the most advanced and innovative restraint solutions available today.

Over 70 years of experience have made SCHROTH a prime address for sophisticated and customized occupant protection systems in any kind of aircraft, performance race cars as well as for defense and other special applications.

Today, SCHROTH employs about 120 staff in Germany with extensive multi-lingual capabilities and a wealth of experience in aviation, defense and automotive environments. The SCHROTH team is united in its focus and determination to provide customers with an outstanding range of products and services to enhance safety, operational success, and profitability.