The right safety harnesses are an important accessory for performance and racing vehicles. This five-point harness has an SFI rating of 16.1. Adjustment ranges from 26 inches to 50 inches for shoulder, 38 inches to 80 inches for pull-up lap, 38 inches to 67 inches for pull-down lap, and 7 inches to 25 inches for the sub-strap. The sub-strap section holds the harness buckle in place. It ensures that the driver does not slide down in the seat, preventing injury.