National Truck Seat Base Adaptor By Iowa Customs
- SKU:
- 20124
- Condition:
- New
- Shipping:
- Calculated at Checkout
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Description

National Truck Sitsolo Seat Base Adaptor By Iowa Customs
**Must Remove Factory Seat Base Riser and attach directly to Seat Frame Legs for Installation**
Mount National seats further back with Iowa Customs' billet seat adaptor for Peterbilt/Kenworth trucks. Adjustable up to 7". Multiple widths and finishes available!
- Sitsolo Seat Base Adaptor Plate For Peterbilt Or Kenworth (Choose Option Above)
- Fits National Seats
- Allows For The Seats To Be Mounted Further Back From The Original Seat Mounting Holes
- Seat Adjustable Up To 7" In 1" Increments
- Made Of Billet Aluminum
- Available in Various Finish Options (Choose Above)
- Billet Aluminum
- Powder Coat - Gloss Black
- Chrome
- Compatible Seats (Choose Above)
- Standard Suspension Height
- Lo Pro
- Ultra Ride
- Standard Suspension Height: 8" Wide
- Low Pro: 14" Wide
- Ultra Ride: 10" Wide
- Includes Stainless Steel Installation Hardware
- Call For Custom Color Options
- Sold Individually
- Quality American Made Product
Upgrade your ride comfort and seat positioning with the National Truck Seat Base Adaptor Plate by Iowa Customs—precision-engineered for Peterbilt and Kenworth trucks. Specifically designed to fit National brand seats, this billet aluminum adaptor allows for seat placement up to 7" further back from the original factory mounting holes in 1" adjustable increments. Whether you're outfitting a Standard Suspension (8" wide), Lo Pro (14" wide), or Ultra Ride (10" wide) seat, this adaptor delivers a custom fit for every driving preference. Choose from raw billet aluminum, gloss black powder coat, or a premium chrome finish to match your interior. Includes stainless steel hardware for a clean, secure install. Proudly made in the USA and sold individually—call today for custom color options and create a seating setup that’s all your own!
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