Mounting Adapters & Sub Strap Mounts

CMS Performance Ultimate Race Seat Mounting Kit For Porsche This Kit Fits the Following Vehicles: Porsche 911 Carrera, 2001-2023 (All) Porsche Boxster, 2001-2023 (All) Porsche Cayman, 2006-2023 (All) Introducing Our Complete Race Seat Mounting Kit: The Ultimate Upgrade for Porsche Motorsports Enthusiasts! Are you a Porsche racing or track-day aficionado looking to upgrade your on-track safety and performance? Look no further than the CMS Performance Ultimate Racing Seat Mounting Kit. One of the very best upgrades you can make for driving your Porsche on the race track is adding a dedicated racing seat. CMS Performance designed this kit to give you a complete solution to installing your choice of seat in your Porsche. No mixing-and-matching, hunting for parts and wondering whether it'll all work together. The CMS Performance Ultimate Race Seat Mounting Kit has everything you need! Precision Engineering for Porsche Excellence The CMS Performance Ultimate Race Seat Mounting Kit is precision- engineered, tailor-made to fit a variety of race seats safely and securely in your Porsche. Crafted with meticulous attention to detail from 3/16" carbon steel, this kit draws on our many years of experience with track-prepped Porsches. Let CMS Performance help you unlock the full potential of your high-performance Porsche on the race track. Custom Powder Coat to Match Your Porsche The CMS Performance Ultimate Race Seat Mounting Kit comes standard in a durable black wrinkle-finish powder coat. CMS Performance can also custom powder-coat your kit in just about any Porsche OEM paint color you like. Simply choose "Custom Color" in the dropdown above and specify the Porsche color you want in your Order Notes at check-out. CMS Performance Ultimate Race Seat Mounting Kit Includes: Mounting base w/ integrated sub strap bar (bolts securely to factory Porsche seat mounting holes) Two steel side-mount race seat brackets All necessary hardware (Grade 8) Detailed installation instructions Optional: high-performance race seat slider Key Features of This Kit: Race-Ready Compatibility: Designed to seamlessly integrate with a wide range of racing seats from Sparco, OMP, Racetech and Sabelt. Our mounting kit ensures a perfect fit on the driver and/or passenger side of your Porsche. Whether you drive a 911, Cayman, or Boxster, CMS Performance has you covered. Fully Integrated: The CMS Performance kit includes everything you need to install a racing seat in your Porsche. No mixing-and-matching, so you can spend less time installing and more time racing. Lightweight Durability: Constructed from premium materials, our kit prioritizes strength without compromising on weight. The integrated design puts a premium on maintaining structural integrity. Customization Options: Tailor your installation to perfection with multiple options, including racing sliders and custom powder-coat colors. Enhanced Safety: Safety is paramount in motorsports, and our kit doesn't cut corners. It's designed to meet or exceed industry safety standards, keeping you protected during the most demanding races. Quick and Easy Installation: The CMS Performance Racing Seat Mounting Kit is engineered for straightforward installation and precise fitment. Not included: CMS Performance roll bar and race seats are available separately. Seat mounting kit is shown with optional race seat slider.

Sparco 600 Series Seat Mounting Base Fitment for a Wide Range of Cars and Trucks Sparco 600 Series seat bases utilize the factory seat mounts on your car's or truck's floor to give you a strong, flat mounting surface for your Sparco racing seat. Sparco 600 Series seat bases are vehicle specific for an easy, bolt-in installation. The 600 Series Sparco racing seat base is constructed with 3/16" steel providing a strong, flex-free mount. Sparco 600 Series racing seat mounting bases are powder coated in a black wrinkle finish for a clean look. In addition to the mounting holes provided for standard bolt-on installation, the Sparco base has a wide metal platform for custom installation of side mounts directly to the base (drilling required). Direct installation is handy in race vehicles where the lowest seat position is desired. Note: We carry Sparco 600 Series seat mounting bases for dozens of popular fitments in stock. For less-common fitments, it may take up to 10 business days for your mounting base to ship. Photos are of various Sparco 600 Series Mounting Bases. Your seat mounting base may differ. Sparco Seat Mounting 600 Series Base Details: Manufacturer: Sparco Manufacturer part no.: 600SB Construction: 3/16" steel Finish: wrinkle-finish black powder coating Outer mounting holes for wide side-mount racing seats Mounting surface allows direct installation of side mounts (some drilling may be required) Proper Installation of Your Sparco Racing Seat Requires: (1) Sparco 600 Series Seat Mounting Base (1) Set of two side mount brackets (steel or aluminum) (1) Side mounting hardware kit (50002) Optional (1) Track Set Seat Slider (00493)1 1 The Track Set Seat Slider allows for forward and aft seat adjustment. It is not SFI or FIA certified. Check with your sanctioning body before installing. Sparco 600 Series Seat Mounting Base Part Numbers Copy the SKU from the chart below and paste it into the "Input Part Number" field above when adding to cart.

CMS Performance Sub Strap + Lap Belt Mount for Toyota GR Supra/GR86 This Mount Fits All Variants of the Following Cars: Toyota GR Supra A90/A91 (2019+) Toyota GR86 (2021+) The Best Way to Mount Harness Lap and Sub Belts in Your GR Supra or GR86 The CMS Performance Sub Strap + Lap Belt Mount is designed to be installed and used with your factory Toyota seats, giving you strong, secure mounting points for racing harness lap- and sub-belts without any drilling or cutting. The CMS Performance mount bolts to the rear mounting points of the driver and/or passenger seat, beneath the seat slider tracks, using your original seat mounting bolts. CNC machined from 1/4-inch solid carbon steel and fully 360º TIG welded, the CMS Performance Sub Strap + Lap Belt Mount provides an extremely strong structure to which you can clip or bolt your harness lap belts and wrap your sub strap(s). Powder coated a rich, durable satin black, the CMS Performance Sub Strap + Lap Belt Mount is nearly invisible once installed. It does not interfere with seat movement fore/aft or up/down in any way, installs in minutes, and can be removed just as easily without leaving a trace. The CMS Performance Sub Strap + Lap Belt Mount is designed, manufactured, and powder-coated entirely in-house in the USA. CMS Performance Sub Strap + Lap Belt Mount Details: Manufacturer: CMS Performance Manufacturer part no.: CMS-SL-005 Construction: TIG-welded solid carbon steel Finish: satin black powder-coat Fitment: fits driver or passenger seat Allows full fore/aft and up/down seat adjustment Does not interfere with OEM seat belts or airbag hardware

CMS Performance Sub Strap + Lap Belt Mount for GT350/GT350R/S550 This Mount Fits All Variants of the Following Cars: Ford Performance Shelby GT350 (2015-2020) Ford Performance Shelby GT350R (2016-2020) Ford Performance Shelby GT500 (2021+) Ford S550 Mustang GT (2015-2023) The Best Way to Mount Harness Lap and Sub Belts in Your Shelby Mustang The CMS Performance Sub Strap + Lap Belt Mount is designed to be installed and used with your factory Ford Performance seats, giving you strong, secure mounting points for racing harness lap- and sub-belts without any drilling or cutting. The CMS Performance mount bolts to the rear mounting points of the driver and/or passenger seat, beneath the seat slider tracks, using your original Ford mounting bolts. CNC machined from 1/4-inch solid carbon steel and fully 360º TIG welded, the CMS Performance Sub Strap + Lap Belt Mount provides an extremely strong structure to which you can clip or bolt your harness lap belts and wrap your sub strap(s). Powder coated a rich, durable satin black, the CMS Performance Sub Strap + Lap Belt Mount is nearly invisible once installed. It does not interfere with seat movement fore/aft or up/down in any way, installs in minutes, and can be removed just as easily without leaving a trace. The CMS Performance Sub Strap + Lap Belt Mount is designed, manufactured, and powder-coated entirely in-house in the USA. CMS Performance Sub Strap + Lap Belt Mount Details: Manufacturer: CMS Performance Manufacturer part no.: CMS-SL-003 Construction: TIG-welded solid carbon steel Finish: satin black powder-coat Fitment: fits driver or passenger seat Allows full fore/aft and up/down seat adjustment Does not interfere with OEM seat belts or airbag hardware

CMS Performance Sub Strap + Lap Belt Mount for BMW This Mount Fits All Sub-Models of the Following Cars: BMW F87 M2 (2016-2021) BMW G87 M2 (2023) BMW F82/83 M4 (2014-2020) BMW G82/83 M4 (2021+) BMW E89 Z4 (2009-2016) BNMW G89 Z4 (2018+) The Best Way to Mount Harness Lap and Sub Belts in Your BMW M2, M4, or Z4 The CMS Performance Sub Strap + Lap Belt Mount is designed to be installed and used with your factory BMW seats, giving you strong, secure mounting points for your racing harness lap- and sub-belts without any drilling or cutting. The CMS Performance mount bolts to the rear mounting points of the driver and/or passenger seat, beneath the seat slider tracks, using your original BMW mounting bolts. CNC machined from 1/4-inch solid carbon steel and fully 360º TIG welded, the CMS Performance Sub Strap + Lap Belt Mount provides an extremely strong structure to which you can clip or bolt your harness lap belts and wrap your sub strap(s). Powder coated a rich, durable satin black, the CMS Performance Sub Strap + Lap Belt Mount is nearly invisible once installed. It does not interfere with seat movement fore/aft or up/down in any way, installs in minutes, and can be removed just as easily without leaving a trace. The CMS Performance Sub Strap + Lap Belt Mount is designed, manufactured, and powder-coated entirely in-house in the USA. CMS Performance Sub Strap + Lap Belt Mount for BMW Details: Manufacturer: CMS Performance Manufacturer part no.: CMS-SL-001 Construction: TIG-welded solid carbon steel Finish: satin black powder-coat Fitment: fits driver or passenger seat Allows full fore/aft and up/down seat adjustment Does not interfere with OEM seat belts or airbag hardware

CMS Performance Harness Install Kit For Gen 6 Camaro This Product Fits The Following Cars: Chevrolet Camaro Coupe, all (2016+) Quick, Easy Installation of Harness Lap Belts in the Gen 6 Camaro The CMS Performance Harness Install Kit for the Gen 6 Camaro provides two strong, secure anchors for the lap belts of your racing harness using the factory seats of your Gen 6 Camaro. Each CMS Performance Gen 6 Camaro Harness Install Kit is for one seat (driver or passenger side, the kit works on either seat). Ordering two kits saves you $25 overall and you can install a harness for your passenger or instructor. CMS Performance is 100% Designed and Built in the USA All CMS Performance products are designed, constructed, and finished in our USA manufacturing and powder coating facility. The CMS Performance Gen 6 Camaro Harness Install Kit is CNC cut and fully TIG-welded from high-strength stainless steel, then powder coated a rich satin black to blend seamlessly into your interior when you don't have harnesses installed. Complete detailed instructions make installation straightforward (figure about an hour if you're reasonably handy). Click here for installation instructions. For the Gen 6 Camaro, we recommend the Schroth Profi II ASM or Sabelt Steel Series four-point harnesses for use with this kit. Schroth's proprietary Anti-Submarine (ASM) technology was developed specifically for use in street cars like the Gen 6 Camaro without a sub strap a pass-through in the seats. Sabelt's four point Steel Series offers an alternative that gives you a significant safety upgrade at a reasonable price! CMS Performance Harness Install Kit Details: Manufacturer: CMS Performance manufacturer Part: Harninstall-G6C Construction: 360o TIG welded stainless steel Finish: Satin black powder coat Designed, manufactured, and powder coated by CMS Performance in the USA This product is intended for off-road use only.

CMS Performance Harness Install Kit For C7 Corvette This Product Fits The Following Cars: Chevrolet Corvette Stingray & Z51, C7 (2014-2019) Chevrolet Corvette Z06, C7 (2015-2019) Quick and Easy Installation of Harness Lap Belts in the C7 Corvette The CMS Performance Harness Install Kit for the C7 Corvette provides two strong, secure anchors for the lap belts of your racing harness using the factory seats of your C7 Corvette. Each CMS Performance C7 Corvette Harness Install Kit is for one seat (driver or passenger side, the kit works on either seat). Ordering two kits saves you $25 overall and you can install a harness for your passenger or instructor. CMS Performance is 100% Designed and Built in the USA All CMS Performance products are designed, constructed, and finished in our USA manufacturing and powder coating facility. The CMS Performance C7 Corvette Harness Install Kit is CNC cut and fully TIG-welded from high-strength stainless steel, then powder coated a rich satin black to blend seamlessly into your interior when you don't have harnesses installed. Complete detailed instructions make installation straightforward (figure about an hour if you're reasonably handy). Click here for installation instructions. For the C7 Corvette, we recommend the Schroth Profi II ASM or Sabelt Steel Series four-point harnesses for use with this kit. Schroth's proprietary Anti-Submarine (ASM) technology was developed specifically for use in street cars like the C7 Corvette without a sub strap a pass-through in the seats. Sabelt's four point Steel Series offers an alternative that gives you a significant safety upgrade at a reasonable price! CMS Performance Harness Install Kit Details: Manufacturer: CMS Performance manufacturer Part: Harninstall-C7 Construction: 360o TIG welded stainless steel Finish: Satin black powder coat Designed, manufactured, and powder coated by CMS Performance in the USA This product is intended for off-road use only.

CMS Performance Harness Install Kit For C8 Corvette This Product Fits The Following Cars: Chevrolet Corvette Stingray & Z51, C8 (2020+) Chevrolet Corvette Z06, C8 (2023+) Quick and Easy Installation of Harness Lap Belts in the C8 Corvette The CMS Performance Harness Install Kit for the C8 Corvette provides two strong, secure anchors for the lap belts of your racing harness using the factory seats of your C8 Corvette. The kit is typically used along with the CMS Performance C8 Harness Bar or Deluxe C8 Harness Bar. Together they give C8 Corvette driving enthusiasts an elegant, secure way to use a racing harness. Each CMS Performance C8 Corvette Harness Install Kit is for one seat (driver or passenger side, the kit works on either seat). Ordering two kits now, you save $25 and you can install a harness for your passenger or instructor. CMS Performance is 100% Designed and Built in the USA All CMS Performance products are designed, constructed, and finished in our USA manufacturing and powder coating facility. The CMS Performance C8 Corvette Harness Install Kit is CNC cut and fully TIG-welded from high-strength stainless steel, then powder coated a rich satin black to blend seamlessly into your interior when you don't have harnesses installed. Complete detailed instructions make installation straightforward (figure about an hour if you're reasonably handy). Click here for installation instructions. For the C8 Corvette, we recommend the Schroth Profi II ASM Harness for use with this kit. Schroth's proprietary Anti-Submarine (ASM) technology was developed specifically for use in street cars like the C8 Corvette that don't have a pass-through in the seat cushions to accommodate the sub straps of a six-point racing harness. CMS Performance Harness Install Kit Details: Manufacturer: CMS Performance manufacturer Part: Harninstall-C8 Construction: 360o TIG welded stainless steel Finish: Satin black powder coat Designed, built, and powder coated in the USA This product is intended for off-road use only.

CMS Performance Sub Strap Mount for Porsche Lightweight Carbon Bucket Seats This Product Fits the Following Cars: 992 GT3/GT3RS 991.1 & 991.2 GT3/GT3RS 992 GT3/GT3RS 991.2 GT2RS 981 Cayman GT4 718 Cayman GT4 718 Cayman GT4RS The Best Way to Install Sub Straps in your Porsche The CMS Performance Sub Strap Mount is a must-have for Porsche GT2RS, GT3/GT3RS, and GT4 owners using five-, six-, or seven-point harnesses with the factory CFRP Full Bucket Seats (also called Lighweight Bucket Seats). Designed to easily bolt in using existing seat hardware without having to fully remove the seats from the car, the CMS Performance Sub Strap Mount properly anchors your harness anti-submarine straps ("sub straps") to your seat base. The CMS Performance Sub Strap Mount fits either driver- or passenger-side seats. CMS Performance Sub Strap Mounts are designed, manufactured, and powder-coated entirely in-house in the USA. Made of solid carbon steel while only weighing 1.4 lbs (625g), there's not a stronger, more affordable solution available. CMS Sub Strap Mounts allow full seat adjustment, fore/aft and up/down, while maintaining the ideal sub strap angle to your body for maximum safety. CMS Performance Sub Strap Mount Details: Solid steel construction for maximum safety Allows full fore/aft and up/down seat adjustment Powder-coated to match OEM seat base Fits driver or passenger seat (Porsche LWB only) Simple to install Compatible with OEM seat belt and airbag hardware

Racetech RTB2005C Seat Back Brace Clamps Racetech RTB2005C aluminum clamps for back-mounting seats. Precision cut from a 20mm-thick 5083 aluminum alloy. Sold as a pair, these clamps fit around a roll cage or roll bar tube and bolt to the Racetech RTB2115B Seat Back Brace. This allows you to effectively back-mount any Racetech 119-Series racing seat to your roll bar or roll cage at shoulder level. Supplied with two M8 bolts and two flat washers. Racetech RTB2005C Available Sizes: 1.50 inch (38.1mm) inside diameter 1.625 inch (41.3mm) inside diameter 1.75 inch (44.5mm) inside diameter

Racetech RTB2115B Seat Back Bracket The Racetech RTB2115B bracket for back-mounting seats is made from 5mm 5083 aluminum alloy. This bracket bolts to the rear shoulder section of Racetech 119-Series racing seats and works in conjunction with Racetech RTB2005C clamps. This allows you to brace your racing seat to a lateral or diagonal roll cage or roll bar tube. Four holes must be drilled into the RTB2115B bracket to accept the Racetech clamps once you have your racing seat set-up in the optimum driving position. For more info, take a look at these racing seat back-mounting instructions. Racetech RTB2115B Is Compatible With These Racetech Seats: RT4119HRW RT4119THR RT4119WHR RT4119WTHR RT9119HR RT9119THR RT9119WHR RT9119WTHR

Thunderhill Racing Seat Mounting Hardware Kit Complete Mounting Kit Includes: Four (4) 8x1.25 25mm Bolts Four (4) 8x1.25 20mm Bolts Four (4) 8x1.25 Locking Nuts Eight (8) Washers (Sparco Part Numbers 50001 and 50002, everything you need in one place.)

Recaro Flexible Side Mount (Standard Size) This Kit Fits the Following Seats: Recaro Pro Racer SPA Recaro Pro Racer SPG Recaro P1300 GT Recaro P1300 GT LW FIA Approved Racing Seat Flexibility The Recaro Flexible Adapter bracket for the P 1300 GT advanced racing shell gives your Recaro full forward and backward sliding movement. The Recaro Flexible Adapter is the only FIA approved sliding mounting bracket for the Recaro racing seat. It was designed by Recaro specifically for endurance races where driver changes need to be done in seconds. The Recaro Flexible Adaptor seat mount is among the most robustly design slider mounts we've ever seen. The Flexible Adapter mount is a reinforced side mount and slider assembly intended for professional endurance racing. This FIA-certified seat slider has extra reinforcing braces on the front and rear which eliminate a lot of the lateral movement seen in traditional, un-reinforced side mount brackets. This Recaro high strength seat slider/mount combination is just the thing to keep you planted firmly in place. Even the bright red, attention-grabbing slider hand bar is overbuilt. This slider and mount system only works with the Recaro standard-size seats. Check out the XL version here. See the Recaro Flexible Adapter Side Mount in Action Recaro racing seat (pictured) sold separately.

Recaro Flexible Side Mount for XL Size Seats This Kit Fits the Following Seats: Recaro Pro Racer SPA XL Recaro Pro Racer SPG XL FIA Approved Racing Seat Flexibility The Recaro Flexible Adapter bracket for the P 1300 GT advanced racing shell gives your Recaro full forward and backward sliding movement. The Recaro Flexible Adapter is the only FIA approved sliding mounting bracket for the Recaro XL racing seat. It was designed by Recaro specifically for endurance races where driver changes need to be done in seconds. The Recaro Flexible Adaptor seat mount is among the most robustly design slider mounts we've ever seen. The Flexible Adapter mount is a reinforced side mount and slider assembly intended for professional endurance racing. This FIA-certified seat slider has extra reinforcing braces on the front and rear which eliminate a lot of the lateral movement seen in traditional, un-reinforced side mount brackets. This Recaro high strength seat slider/mount combination is just the thing to keep you planted firmly in place. Even the bright red, attention-grabbing slider hand bar is overbuilt. This slider and mount system only works with the Recaro XL-size seats. Check out the standard-size version here. See the Recaro Flexible Adapter Side Mount in Action Recaro racing seat (pictured) sold separately.  

Recaro Pro Racer/Profi Steel Side Mounts (Standard Size) This Mount Set Fits the Following Seats: Recaro Pro Racer SPA Recaro Pro Racer SPG Recaro Profi SPA Recaro Profi SPG FIA Approved Racing Seat Flexibility These Recaro Steel Sidemount brackets for the P 1300 GT advanced racing shell provide an FIA-approved mounting system for your Recaro Pro Racer or Profi SPA/SPG. Strong, rigid, and made specifically for your Recaro racing seat, this simple side mount system is for drivers who demand the highest quality in their safety gear. This side mount system only works with the Recaro Pro Racer and Profi SPA/SPG standard-size seats. Check out the XL version here. Recaro Steel Side Mount Features: One pair of side mounts Steel construction FIA certified For use with the Profi SPA/SPG and Pro Racer SPA/SPG