
Seat Belt Mounting Back-up Plates Seat Belt Mounting Back-up Plates are 4" x 4" x 1/8" steel plates with a pre-drilled 7/16" hole. Required by SCCA when mounting belts directly to the under side body of a car.
Seat Belt Mounting Back-up Plates Seat Belt Mounting Back-up Plates are 4" x 4" x 1/8" steel plates with a pre-drilled 7/16" hole. Required by SCCA when mounting belts directly to the under side body of a car.