Race Car Seat Adapters | Race Seat in your Chassis | No Welding

Seat Base Mounts

Bottom mounting a seat can allow the driver to sit lower, which can be advantageous if you’re worried about your head being too high in the vehicle. Use these seat base adapters to easily mount your race seat to your factory floor plan withour modifications. There is not a better time saver than using a properly designed seat base mount adapter. 

Sparco Seat Base 2015+ Mustang Driver
Last items in stock
Sparco Seat Base Adapter for Ford Mustang 2015+. This bolts directly to the floor of your 2015+ Ford Mustang, including Shelby & Boss models, on the driver side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$160.00
Sparco Seat Base 996/997 Boxster/Cayman Passenger
Last items in stock
Sparco Seat Base Adapter for Porsche 996/997 911's and 986/987 Boxsters & Caymans. This bolts directly to the floor of your Porsche, all trim levels, on the passenger side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$160.00
BMW E46 Seat Mount Passenger - Medium Seat
Last items in stock
Mount your medium FIA approved race seat directly to your BMW E46 floor pan for the lowest, most secure seat mount we have ever seen. Fits all all BMW E46 inc M versions for the best race seat mounting.
$208.31
Sparco Seat Hardware Kit - Bottom Mount
In Stock
This Seat Hardware Kit by Sparco Will Cover Everything You Need to get your seat bolted to your Sparco or Planted Seat Mount Base. Whether you are using a slider or not, this Hardware kit will get you going.
$7.00
Planted Low Seat Base Mazda Miata NB Driver
Last items in stock
By combining a Miata seat base and side mount into one piece, the Planted 1998-2005 Mazda Miata NB Chassis driver side bracket is made for the lowest of seat mounting for side mounted seats. 
$185.00
PCI Bolt-On Harness Mount (Sub-Belts)
Last items in stock
The bolt-on sub harness mount provides a secure mounting place for your sub belts without having to drill additional holes into your chassis. This mount will bolt directly to any PCI seat bracket.
$35.00
PCI Adjustable Seat Mount 2006-2015 Mazda MX-5 Left/Driver's Side
Last items in stock
Vehicle-specific floor mount adapters for your 2006-2015 Mazda MX-5 Miata constructed from 1/8" thick, laser-cut & cnc-formed steel for superior strength. These seat base adapters use the factory mount locations to create a flat surface to mount to. This floor mount adapter has a wide range of adjustment to accommodate a wide variety of seats, and includes side mounts to help eliminate the
$215.00
PCI Adjustable Seat Mount 2016+ Mazda MX-5 (ND) Left/Driver's Side
Last items in stock
Vehicle-specific floor mount adapters for your 2016+ Mazda MX-5 Miata (ND) constructed from 1/8" thick, laser-cut & cnc-formed steel for superior strength. These seat base adapters use the factory mount locations to create a flat surface to mount to. This floor mount adapter has a wide range of adjustment to accommodate a wide variety of seats, and includes side mounts to help eliminate the
$215.00
-20%
Scratch & Dent - Sparco Seat Base 2005-2014 Mustang Driver
Last items in stock
Sparco Seat Base Adapter for Ford Mustang 2005 -2014. This bolts directly to the floor of your 2005 - 2014 Ford Mustang, including Shelby & Boss models, on the driver side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$128.00
$160.00
On sale!-$50.00
Scratch n Dent Planted Seat Base BMW 3 Series E30 1982-1991 Passenger
Last items in stock
Vehicle Specific Floor Mount Adapters for your BMW E30 is constructed from 3/16" thick steel for superior strength. Able to accept sliders from most major seat manufacturers like Bride, Cobra, OMP, Racetech, Recaro, Sparco, Status and more,
$110.00
$160.00
Sparco BMW E46 Coupe Seat Base Driver
Sparco Seat Bases Utilize the Factory Seat Mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt-in installation.
$160.00
Sparco BMW E46 Coupe Seat Base Passenger
Sparco Seat Bases Utilize the Factory Seat Mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt-in installation.
$160.00
Sparco Seat Base C6/C7 Corvette Driver
Sparco Seat Base Adapter for Chevrolet C6 & C7 Corvettes. This bolts directly to the floor of your C6 or C7 Corvette including Z06 on the driver side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$160.00
Sparco Seat Base C6/C7 Corvette Passenger
Sparco Seat Base Adapter for Chevrolet C6 & C7 Corvettes. This bolts directly to the floor of your C6 or C7 Corvette on the passenger side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$160.00
Sparco Seat Base 2005-2014 Mustang Passenger
Sparco Seat Base Adapter for Ford Mustang 2005 - 2014. This bolts directly to the floor of your 2005 - 2014 Ford Mustang, including Shelby & Boss models, on the passenger side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$160.00
Sparco Seat Base 2005-2014 Mustang Driver
Sparco Seat Base Adapter for Ford Mustang 2005 -2014. This bolts directly to the floor of your 2005 - 2014 Ford Mustang, including Shelby & Boss models, on the driver side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$160.00
Sparco Honda Civic 1996-2000 Seat Base Driver
Sparco Seat Bases Utilize the Factory Seat Mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt-in installation.
$160.00
Sparco Honda Civic 1996-2000 Seat Base Passenger
Sparco Seat Bases Utilize the Factory Seat Mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt-in installation.
$160.00
Sparco Seat Base Chevrolet Camaro 2010-2015 Driver
Sparco Seat Bases Utilize the Factory Seat Mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt-in installation.
$160.00
Sparco Seat Base Chevrolet Camaro 2010-2015 Passenger
Sparco Seat Bases Utilize the Factory Seat Mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt-in installation.
$160.00
Sparco Seat Base 2015+ Mustang Passenger
Sparco Seat Base Adapter for Ford Mustang 2015+. This bolts directly to the floor of your 2015 and newer Ford Mustang, including Shelby & Boss models, on the passenger side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$160.00
Sparco Seat Base 996/997 Boxster/Cayman Driver
Sparco Seat Base Adapter for Porsche 996/997 911's and 986/987 Boxsters & Caymans. This bolts directly to the floor of your Porsche, all trim levels, on the driver side and lets you mount seat sliders or your seat side mounts directly to it to keep you the lowest possible. 
$160.00
Sparco BMW E36 Coupe Seat Base Driver
BMW E36 Coupe Seat Sparco Seat Bases makes seat install easy by utilize the Factory Seat Mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt-in installation.
$160.00
Sparco BMW E36 Coupe Seat Base Passenger
BMW E36 Coupe Seat Sparco Seat Bases makes seat install easy by utilize the Factory Seat Mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt-in installation.
$160.00
BMW E46 Seat Mount Driver - Large Seat
Mount your large FIA approved race seat directly to your BMW E46 floor pan for the lowest, most secure seat mount we have ever seen. Fits all all BMW E46 inc M versions for the best race seat mounting.
$208.31