



Schroth ASM 4 Point Harness - Porsche GT3/GT4
Schroth ASM 4 Point Harness - Porsche GT3/GT4 is built for track and competition cockpit setups where shell design, driver containment, mounting compatibility, and approval details matter. Review the preserved manufacturer specifications below for sizing, construction, homologation, and mounting notes before purchase.
PMB Performance added this context so customers can compare the seat against their chassis, brackets, harness setup, and intended use without removing the original manufacturer graphics or specs.
Schroth Four-Point Harness for Porsche Carbon Seats
Schroth's Famous ASM Technology For Your Porsche!
The Schroth Porsche GT3/GT4 four-point harness is designed specifically for the factory Porsche one-piece carbon seats. This harness comes with specific lap-belt brackets that don't require any drilling for installation, as they attach to the factory-engineered lap-belt mounting locations. A harness bar or roll bar are required for installation of the shoulder belts.
Schroth's exclusive ASM (anti-submarine) technology on this four-point harness holds the driverās pelvis snug in case of a crash, preventing āsubmariningā below the lap belt and sliding out of the seat. With this harness, thereās no need to install a sub-strap mounting bar under the seat, which is also very useful for Porsche passenger seats that donāt have a pre-cut sub-strap slot. The Schroth Porsche GT3/GT4 Four-Point Harness has a street-legal FE Camlock that releases like a traditional seat belt -- just a push of the button!
Designed for Porsche OEM carbon bucket seats. This is not an FIA homologated competition racing restraint.
See Schroth's Harness Installation Checklist Here
Schroth Porsche GT3/GT4 ASM Harness Features
- Shoulder belts: Pull-down, 2-inch webbing
- Lap belts: Pull-down, 2-inch webbing with ZIP Adjuster
- Shoulder fittings: LV4 (2-inch shoulders), LV10 also included
- Lap belt fittings: Sewn-in B43A (Porsche -specific hardware)
Included Hardware:
- (2) S82 Flat Washers
- (2) SG29 Bolts
- (2) S104 Spacer/Collars
- (2) S184 Flat Washers
Original: $789.00
-65%$789.00
$276.15Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Schroth ASM 4 Point Harness - Porsche GT3/GT4 is built for track and competition cockpit setups where shell design, driver containment, mounting compatibility, and approval details matter. Review the preserved manufacturer specifications below for sizing, construction, homologation, and mounting notes before purchase.
PMB Performance added this context so customers can compare the seat against their chassis, brackets, harness setup, and intended use without removing the original manufacturer graphics or specs.
Schroth Four-Point Harness for Porsche Carbon Seats
Schroth's Famous ASM Technology For Your Porsche!
The Schroth Porsche GT3/GT4 four-point harness is designed specifically for the factory Porsche one-piece carbon seats. This harness comes with specific lap-belt brackets that don't require any drilling for installation, as they attach to the factory-engineered lap-belt mounting locations. A harness bar or roll bar are required for installation of the shoulder belts.
Schroth's exclusive ASM (anti-submarine) technology on this four-point harness holds the driverās pelvis snug in case of a crash, preventing āsubmariningā below the lap belt and sliding out of the seat. With this harness, thereās no need to install a sub-strap mounting bar under the seat, which is also very useful for Porsche passenger seats that donāt have a pre-cut sub-strap slot. The Schroth Porsche GT3/GT4 Four-Point Harness has a street-legal FE Camlock that releases like a traditional seat belt -- just a push of the button!
Designed for Porsche OEM carbon bucket seats. This is not an FIA homologated competition racing restraint.
See Schroth's Harness Installation Checklist Here
Schroth Porsche GT3/GT4 ASM Harness Features
- Shoulder belts: Pull-down, 2-inch webbing
- Lap belts: Pull-down, 2-inch webbing with ZIP Adjuster
- Shoulder fittings: LV4 (2-inch shoulders), LV10 also included
- Lap belt fittings: Sewn-in B43A (Porsche -specific hardware)
Included Hardware:
- (2) S82 Flat Washers
- (2) SG29 Bolts
- (2) S104 Spacer/Collars
- (2) S184 Flat Washers





















