More Power in Every Purchase - Join the Summit Rewards Program Today!

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center

My Garage
Wish List
Order Status & Returns

Welcome
My Account

Order Status

Wish List
Savings Central
Shop by Brand
Shop Your Passion
- Shop Your Passion
- Truck / SUV
  
  Jeep®
  
  Restoration
  
  Stock Replacement
  
  Late Model Muscle
  
  Tools
  
  Gifts, Clothing, & More
  
  Circle Track
  
  Street Rod
  
  Powersports
  
  Paint & Body
  
  Marine
  
  Jr Dragster
Gift Cards
My Garage
See Our Catalogs
News & Events
Career Opportunities
Contact Us
Help Center
New Products
Shop by Make/Model
Sign In

Search Make/Model

Search Make/Engine

Sign In

Welcome
Account Dashboard
Profile
Order Status & Returns
Buy It Again
Wish List
Rewards Program
Gift Cards & Summit Bucks
Address Book
My Garage Settings
Email Preferences
Text Notifications
My Reviews
My Questions
Catalogs
Tax Exemption
Sign In

More Power in Every Purchase - Join the Summit Rewards Program Today!

Save Now on Select Race Products and Start Your Season With a Win!

Filters

In Stock
- In Stock Items. Ships Today. (35) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (53) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (281) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Department
Part Type
- Transmission Crossmembers (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Chassis Stiffeners (12) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Driveshaft Safety Loops (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Transmission Mounts (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Shock and Strut Braces (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Traction Bars (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Control Arms (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Chassis Stiffener Spacers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Coilover Kits (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Crossmember Bushings (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Seat Brackets (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Subframe Connectors, Weld-On (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Show All
Make/Model
Make/Engine
Price Range
Filter Options
- Made In USA (52)
Savings Central
- Free Shipping (4)

Selected Filters

Filter Results by Vehicle

Loading...

Home
Product Results

Availability

- In Stock Items. Ships Today. (35) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (53) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (281) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Department
Part Type
- Transmission Crossmembers (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Chassis Stiffeners (12) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Driveshaft Safety Loops (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Transmission Mounts (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Shock and Strut Braces (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Traction Bars (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Control Arms (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Chassis Stiffener Spacers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Coilover Kits (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Crossmember Bushings (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Seat Brackets (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Subframe Connectors, Weld-On (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Show All
Make/Model
Make/Engine
Price Range
Filter Options
- Made In USA (52)
Savings Central
- Free Shipping (4)

Stifflers Suspension Parts and Accessories

Stifflers Chassis and Suspension products are precision-engineered in the USA to deliver exceptional performance in Ford Mustang and Ford F-150 applications. Summit...

Stifflers Chassis and Suspension products are precision-engineered in the USA to deliver exceptional performance in Ford Mustang and Ford F-150 applications. Summit Racing is proud to carry Stifflers [PS1] transmission crossmembers, driveshaft safety loops, control arms, long bar traction systems, transmission mounts, chassis-stiffening systems, strut tower braces, weld-on subframe connectors, and much more. Leveraging several years in IndyCar and other top motorsports series, Stifflers engineers combine mountains of research data and passion for racing to provide Ford high-performance enthusiasts with suspension...

Stifflers Chassis and Suspension products are precision-engineered in the USA to deliver exceptional performance in Ford Mustang and Ford F-150 applications. Summit Racing is proud to carry Stifflers [PS1] transmission crossmembers, driveshaft safety loops, control arms, long bar traction systems, transmission mounts, chassis-stiffening systems, strut tower braces, weld-on subframe connectors, and much more. Leveraging several years in IndyCar and other top motorsports series, Stifflers engineers combine mountains of research data and passion for racing to provide Ford high-performance enthusiasts with suspension components built to conquer the track and respond on the street. Order your Stifflers high-performance chassis and suspension parts from Summit Racing today.

Showing In Stock Items. Show All 281 Items.

Not Showing Customizable Items. View Customizable Items.

Individual Parts

Part Groups

Results 1 - 25 of 53

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M09

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M09

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M09

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, Kit

Part Number: IVP-TCB-M09

4.77 out of 5 stars ( 26 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1948-1952 F-1, 1953-1979 F-100, 1975-1979 F-150 - TCB-FT02

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1948-1952 F-1, 1953-1979 F-100, 1975-1979 F-150 - TCB-FT02

Stifflers Suspension Transmission Crossmembers for 1948-1952 F-1, 1953-1979 F-100, 1975-1979 F-150 - TCB-FT02

Transmission Crossmember, Steel, Black Hammertone Powdercoated, 6R80, 10R80, MT82, RWD only, Ford, Each

Part Number: IVP-TCB-FT02

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1953-1979 F-100, 1975-1979 F-150 - TCB-FT03

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1953-1979 F-100, 1975-1979 F-150 - TCB-FT03

Stifflers Suspension Transmission Crossmembers for 1953-1979 F-100, 1975-1979 F-150 - TCB-FT03

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, Each

Part Number: IVP-TCB-FT03

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1965-1970 MUSTANG - TCB-UK2

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1965-1970 MUSTANG - TCB-UK2

Stifflers Suspension Transmission Crossmembers for 1965-1970 MUSTANG - TCB-UK2

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, Kit

Part Number: IVP-TCB-UK2

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Driveshaft Safety Loops for 1979-1998 MUSTANG - DSL-M02

Made in the USA

Stifflers Suspension Driveshaft Safety Loops for 1979-1998 MUSTANG - DSL-M02

Stifflers Suspension Driveshaft Safety Loops for 1979-1998 MUSTANG - DSL-M02

Driveshaft Safety Loop, Bolt-On, Flat, Adjustable, Steel, Black Powdercoated, Ford, Mustang, Ford Automatic and Manual, TKO, Each

Part Number: IVP-DSL-M02

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Weld-On Subframe Connectors for 1979-2004 MUSTANG - SFC-M01

Made in the USA

Stifflers Suspension Weld-On Subframe Connectors for 1979-2004 MUSTANG - SFC-M01

Stifflers Suspension Weld-On Subframe Connectors for 1979-2004 MUSTANG - SFC-M01

Subframe Connectors, Weld-On, Steel, Black Powdercoated, Ford, Pair

Part Number: IVP-SFC-M01

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M04

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M04

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M04

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, Kit

Part Number: IVP-TCB-M04

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1999-2004 MUSTANG - TCB-M20

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1999-2004 MUSTANG - TCB-M20

Stifflers Suspension Transmission Crossmembers for 1999-2004 MUSTANG - TCB-M20

TRANS. CROSSMEMBER 99-04 MUSTANG Fits C4, PowerGlide, TH350, T5, AOD/E, 4R70W, C6, TKO's, T45, TH3650, T56, TH400

Part Number: IVP-TCB-M20

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1980-1997 F-150, F-250 - TCB-FT05

Stifflers Suspension Transmission Crossmembers for 1980-1997 F-150, F-250 - TCB-FT05

Stifflers Suspension Transmission Crossmembers for 1980-1997 F-150, F-250 - TCB-FT05

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, AOD/AODE/E40D/C4/C6/T-5/T-45/T-56/TKO, Kit

Part Number: IVP-TCB-FT05

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M02

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M02

Stifflers Suspension Transmission Crossmembers for 1982-1993 MUSTANG - TCB-M02

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, Kit

Part Number: IVP-TCB-M02

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1979-2004 MUSTANG - TCB-UNI KIT

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1979-2004 MUSTANG - TCB-UNI KIT

Stifflers Suspension Transmission Crossmembers for 1979-2004 MUSTANG - TCB-UNI KIT

Transmission Crossmember, Tubular, Steel, Black Hammertone Powdercoated, Ford, Mustang, Universal, Kit

Part Number: IVP-TCB-UNI-KIT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Driveshaft Safety Loops for 1979-2004 MUSTANG - DSL-M04

Made in the USA

Stifflers Suspension Driveshaft Safety Loops for 1979-2004 MUSTANG - DSL-M04

Stifflers Suspension Driveshaft Safety Loops for 1979-2004 MUSTANG - DSL-M04

Driveshaft Safety Loop, Bolt-On, Flat, Adjustable, Steel, Black Powdercoated, Ford, Mustang, TH400, 4L80E, Each

Part Number: IVP-DSL-M04

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Web Braces for 1979-2004 MUSTANG - WEB-M01

Made in the USA

Stifflers Suspension Web Braces for 1979-2004 MUSTANG - WEB-M01

Stifflers Suspension Web Braces for 1979-2004 MUSTANG - WEB-M01

Chassis Stiffeners, Web Braces, Frame Position, Steel, Black Powdercoated, Ford, Set of 4

Part Number: IVP-WEB-M01

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1994-1998 MUSTANG - TCB-M03

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1994-1998 MUSTANG - TCB-M03

Stifflers Suspension Transmission Crossmembers for 1994-1998 MUSTANG - TCB-M03

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, Kit

Part Number: IVP-TCB-M03

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1979-2004 MUSTANG - TCB-6R80 KIT

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1979-2004 MUSTANG - TCB-6R80 KIT

Stifflers Suspension Transmission Crossmembers for 1979-2004 MUSTANG - TCB-6R80 KIT

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, 6R80, Kit

Part Number: IVP-TCB-6R80-KIT

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Driveshaft Safety Loops for 1999-2004 MUSTANG - DSL-M01

Made in the USA

Stifflers Suspension Driveshaft Safety Loops for 1999-2004 MUSTANG - DSL-M01

Stifflers Suspension Driveshaft Safety Loops for 1999-2004 MUSTANG - DSL-M01

Driveshaft Safety Loop, Bolt-On, Flat, Adjustable, Steel, Black Powdercoated, Ford, Mustang, GM Automatic, Each

Part Number: IVP-DSL-M01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Mustang FIT Systems for 1979-1993 MUSTANG - FIT-M02

Made in the USA

Stifflers Suspension Mustang FIT Systems for 1979-1993 MUSTANG - FIT-M02

Stifflers Suspension Mustang FIT Systems for 1979-1993 MUSTANG - FIT-M02

Chassis Stiffener, FIT Stiffening System, Steel, Black Powdercoated, Mustang, Kit

Part Number: IVP-FIT-M02

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1994-1998 MUSTANG - TCB-M05

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1994-1998 MUSTANG - TCB-M05

Stifflers Suspension Transmission Crossmembers for 1994-1998 MUSTANG - TCB-M05

Transmission Crossmember, Steel, Black Hammertone Powdercoated, Ford, Kit

Part Number: IVP-TCB-M05

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Mounts and Adapters for 1979-2004 MUSTANG - TM-M06

Made in the USA

Stifflers Suspension Transmission Mounts and Adapters for 1979-2004 MUSTANG - TM-M06

Stifflers Suspension Transmission Mounts and Adapters for 1979-2004 MUSTANG - TM-M06

Transmission Mount, Adapter, Steel, Black Powdercoated, Ford, 6R80, Each

Part Number: IVP-TM-M06

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Mounts and Adapters for 1979-1993 MUSTANG - TM-M02

Made in the USA

Stifflers Suspension Transmission Mounts and Adapters for 1979-1993 MUSTANG - TM-M02

Stifflers Suspension Transmission Mounts and Adapters for 1979-1993 MUSTANG - TM-M02

Trans Mount Adapter, Ford Mustang, TH350, TH400, Powerglide, Each

Part Number: IVP-TM-M02

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Driveshaft Safety Loops for 2011-2022 MUSTANG - DSL-M03

Made in the USA

Stifflers Suspension Driveshaft Safety Loops for 2011-2022 MUSTANG - DSL-M03

Stifflers Suspension Driveshaft Safety Loops for 2011-2022 MUSTANG - DSL-M03

Driveshaft Safety Loop, Bolt-On, Flat, Adjustable, Steel, Black Powdercoated, Ford, Mustang, Each

Part Number: IVP-DSL-M03

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Mustang FIT Systems for 1993-2004 MUSTANG - FIT-M01

Made in the USA

Stifflers Suspension Mustang FIT Systems for 1993-2004 MUSTANG - FIT-M01

Stifflers Suspension Mustang FIT Systems for 1993-2004 MUSTANG - FIT-M01

Chassis Stiffener, FIT Stiffening System, Steel, Black Powdercoated, Mustang, Kit

Part Number: IVP-FIT-M01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Long Bar Traction Systems for 2009-2014 F-150 - LLB-FT03

Made in the USA

Stifflers Suspension Long Bar Traction Systems for 2009-2014 F-150 - LLB-FT03

Stifflers Suspension Long Bar Traction Systems for 2009-2014 F-150 - LLB-FT03

Traction Bars, Long Bar Traction System, Steel, Black Powdercoated, Ford, 4WD, Kit

Part Number: IVP-LLB-FT03

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension Transmission Crossmembers for 1999-2003 F-150, 2004 F-150 HERITAGE - TCB-FT01

Made in the USA

Stifflers Suspension Transmission Crossmembers for 1999-2003 F-150, 2004 F-150 HERITAGE - TCB-FT01

Stifflers Suspension Transmission Crossmembers for 1999-2003 F-150, 2004 F-150 HERITAGE - TCB-FT01

CROSSMEMBER

Part Number: IVP-TCB-FT01

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Stifflers Suspension F-150 Chassis Stiffening Systems for 1999-2003 F-150, 2004 F-150 HERITAGE - LCB-FT01

Made in the USA

Stifflers Suspension F-150 Chassis Stiffening Systems for 1999-2003 F-150, 2004 F-150 HERITAGE - LCB-FT01

Stifflers Suspension F-150 Chassis Stiffening Systems for 1999-2003 F-150, 2004 F-150 HERITAGE - LCB-FT01

Chassis Stiffener, Frame Brace, Steel, Black Powdercoated, F-150, Lightning, Kit

Part Number: IVP-LCB-FT01

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

1
2
3
Next

Page 1 of 3
Next

Modal Header

Contact us with questions.

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify

Stay Updated with Emails from Summit Racing

Never miss a sale on new parts, tools, and more!

= Required

First Name

Last Name

Email Address Email required

See Our Catalogs

News & Events

News & Events Home
OnAllCylinders (blog)
Calendar of Events
New Product Releases
Summit Racing News
News You Can Use
Featured Vehicles
Media Center
Sanctioning Bodies

Help

Help Center
Return Policy
Beat-A-Price Guarantee
Payment Options
Contact Us

Social

Facebook
X/Twitter
Instagram
Pinterest
YouTube
Podcast

About Summit

Corporate History
Retail Locations

My Account

Profile
Email Preferences
Order Status & Returns
Wish List
Address Book
My Reviews
My Questions
My Garage
Sign In

Career Opportunities

More

Summit Racing Credit Card
Gift Cards
Calculators & Tools
Promo Exclusions
Become an Affiliate
Summit Racing Rewards Program
Summit Racing Equipment Protection Plan

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2026 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header