Track tested
Validated under real load and duty cycle.
Walker Pro Motorsport
Precision built. Track proven.
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WPM engineered
Purpose-built components.
In-house parts developed in the workshop and proven on the car.
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Workshop services
Built around your project.
Fabrication, install, and track prep built around your application.
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WPM In-House Development
A harness solution for 720S Spider owners that needs no cutting, drilling, or trimming and comes back out completely. It uses the OEM 3-point belt mounts and pass-throughs with WPM underseat harness bases for supported 4- and 6-point harnesses on track.
Standard black or any Prismatic color at the same price. Free US shipping when shown in the buy box.
Validated under real load and duty cycle.
Designed and built in the WPM workshop.
Designed around OEM hard points and cabin geometry.
CAD-driven packaging for install clarity.
In-house design
Clearance, mounting, and install sequence are designed around real chassis packaging—not a generic tube kit.
Learn moreAnswers to common product and project questions.
Email us your year, chassis, and options before you order. We answer fitment questions directly.
Professional installation is heavily recommended. WPM installs in-house. Use Ask about WPM installation above to start a quote.
Standard finish is satin black powdercoat. Custom is any color from Prismatic Powders. Select Custom, type the Prismatic code and color name on this product (for example, PSS-11632 Porsche Speed Yellow), then add to cart. Do not put the color on the order note. Standard and Custom are the same price.
Lead time and US shipping for this part are listed above Add to cart when we have them. International orders are quoted by email before they ship. Contact WPM for anything not listed.