Peterbilt 379, 386, 389 And 579 National And Knoedler 8 Inch OEM Seat Plate Adapters

Upgrade your truck's seating with our 8-inch wide seat adapter, designed for OEM, Knoedler, and National seats. Available in chrome or billet aluminum, this adapter comes with mounting hardware and provides up to 7 inches of extra legroom in 1-inch increments from the original mounting position. No need to re-drill your floor when mounting a new aftermarket seat. Fits most National and Knoedler seats, as well as Peterbilt 379, 386, 389, and 579 models (does not fit low riders). Each adapter ships within 2 business days, making it a practical and convenient solution for truck owners.