This seat rail kit is designed to the new MSUK technical regulations, in-line with the FIA standards. 

Whilst not yet mandatory for existing cars, all new-build cars are expected to comply with the rule clarification. 

The kit consists of:

2x 597mm steel rails

4x Laser-cut chassis plates with Captive nuts (For welding into tunnel/inner sill)

4x Laser-cut mounting plates (For welding into position on the steel rails) 

4x Weld-in Bosses

8x Zinc Coated 10.9 grade bolts with spring washers

Does not include:

Seat side mounts - available here