Built by Iowa Customs, a patented design to add leg room and adapt Knoedler, National, Sears, Seats Inc, Bostrom seats without drilling holes in the floor in your Peterbilt 378 386 389.  Mounting Hardware is included.

Details / Specifications

• Selection of widths available for aftermarket seat from Knoedler, National, Sears, Seats Inc and Bostrom
• Available Finishes: Billet Aluminum, Chrome, Or Powder Coat In Yellow, Post Office Blue, Gloss Black, Crystal White, Or Red Baron
• Mounting Hardware Included
• Adapter Will Provide Up To 7" Of Leg Room In 1" Increments From The Original Mounting Position
• No Need To Re-Drill Your Floor When Mounting A New Aftermarket Seat

PLEASE NOTE - If you have a Sears Atlas seat with a 4" riser, you may need the 8" Seat Base Adaptor.  Please check the dimensions before ordering.  The riser may have a different bolt pattern than the bottom of the seat.