Weld-In Subframe Connectors

Big power and competitive corners can bend your unibody vehicle like a pretzel! Build a better foundation for power with a set of weld-in subframe connectors from Summit...

Big power and competitive corners can bend your unibody vehicle like a pretzel! Build a better foundation for power with a set of weld-in subframe connectors from Summit Racing Equipment.

Back in the 1960s and 1970s, cars like Mustangs, Novas, Camaros, Firebirds, and Challengers featured unibody construction, which was great for everyday driving. However, as hot rodders and racers started adding power, they found that the subframes would flex under serious load, resulting in poor handling, crooked launches, and even metal fatigue. Weld-in subframe connectors were developed to tie the subframes together, resulting in less...

Big power and competitive corners can bend your unibody vehicle like a pretzel! Build a better foundation for power with a set of weld-in subframe connectors from Summit Racing Equipment.

For more detailed information about chassis stiffness, click here.

Bolt-on subframe connectors are great for weekend warriors who may want to remove the connectors later, but for dedicated race vehicles with serious horsepower, weld-in subframe connectors are the way to go. They keep your tires firmly planted and your chassis straight, so all that power you’re making goes right to the pavement.

Top Brands

Summit Racing Equipment makes shopping for weld-on subframe connectors easier by only partnering with trusted manufacturers that specialize in chassis and suspension aftermarket parts. Choose from brands like Hotchkis, UMI Performance, Heidts, Competition Engineering, BMR Suspension, and more.

Individual Parts

Part Groups

Results 1 - 25 of 126

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 ( 10 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Hotchkis Sport Suspension Weld-On Subframe Connectors 4008

Subframe Connectors, Weld-On, Steel, Black, Chevy, Pontiac, Convertible, Pair

Part Number: HSS-4008

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

UMI Performance Boxed Weld-In Subframe Connectors for 1982-1992 CAMARO, FIREBIRD - 2400-R

Subframe Connectors, Weld-On, Steel, Red, Chevy, Pontiac, Pair

Part Number: UPI-2400-R

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

UMI Performance Boxed Weld-In Subframe Connectors for 1982-1992 CAMARO, FIREBIRD - 2400-B

Subframe Connectors, Weld-On, Steel, Black, Chevy, Pontiac, Pair

Part Number: UPI-2400-B

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Global West Suspension Subframe Connectors for 1967-1973 MUSTANG - 911

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

Part Number: GLS-911

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Heidts Subframe Connectors for 1970-1981 CAMARO, FIREBIRD - RC-122

Subframe Connectors, Chevy, Not for Convertibles, for Use with Factory Subframe, Pair

Part Number: HDT-RC-122

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Detroit Speed Weld-On Subframe Connectors for 1970-1981 CAMARO, FIREBIRD - 010103DS

Subframe Connectors, Weld-on, Steel, Natural, Chevy, Pontiac, Kit

Part Number: DSR-010103DS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Global West Suspension Subframe Connectors for 1961-1970 FALCON, 1963-1965 RANCHERO - 916

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

Part Number: GLS-916

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Global West Suspension Subframe Connectors for 1974-1981 CAMARO, FIREBIRD - 902

Subframe Connectors, Weld-On, Steel, Black, Chevy, Pontiac, Pair

Part Number: GLS-902

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Rust Buster Frame Repair Sections for 1984-2001 CHEROKEE - RB6061

Chassis Stiffeners, Jeep XJ, Center, Unibody Stiffeners, Left and Right, Pair

Part Number: RBF-RB6061

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

BMR Subframe Connectors for 1982-1992 CAMARO, FIREBIRD - SFC008H

Subframe Connectors, Weld-On, Black Hammertone Powdercoated, Steel, Chevy, Pontiac, Pair

Part Number: BMR-SFC008H

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 10, 2025 if ordered today

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Estimated Ship Date: Sep 10, 2025 if ordered today

Hotchkis Sport Suspension Weld-On Subframe Connectors 4015

Suspension Subframe Connector; Subframe Connector; 1.5x2.5 in. Steel Rectangular; Black

Part Number: HSS-4015

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Hotchkis Sport Suspension Weld-On Subframe Connectors for 1970-1974 BARRACUDA, CUDA - 4011S

Subframe Connectors, Weld-On, Steel, Black, Plymouth, E-Body, Pair

Part Number: HSS-4011S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

BMR Subframe Connectors for 2005-2014 MUSTANG - SFC011H

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

Part Number: BMR-SFC011H

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 10, 2025 if ordered today

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Estimated Ship Date: Sep 10, 2025 if ordered today

Competition Engineering Weld-On Subframe Connectors for 1979-1993 MUSTANG - C3048

Subframe Connectors, Weld-On, Steel, Natural, Ford, Pair

Part Number: CEE-3048

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

BMR Subframe Connectors for 1993-2002 CAMARO, FIREBIRD - SFC004H

Subframe Connectors, Weld-On, Black Hammertone Powdercoated, Steel, Chevy, Pontiac, Pair

Part Number: BMR-SFC004H

Not Yet Reviewed

Estimated Ship Date: Sep 10, 2025 if ordered today

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Estimated Ship Date: Sep 10, 2025 if ordered today

Hotchkis Sport Suspension Weld-On Subframe Connectors 4014

Suspension Subframe Connector; Subframe Connector; 1.5x2.5 in. Steel Rectangular; Black

Part Number: HSS-4014

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

BMR Subframe Connectors for 1993-2002 CAMARO, FIREBIRD - SFC001R

Subframe Connectors, Weld-On, Red Powdercoated, Steel, Chevy, Pontiac, Pair

Part Number: BMR-SFC001R

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Global West Suspension Subframe Connectors for 1967-1973 MUSTANG - 911C

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

Part Number: GLS-911C

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Rust Buster Frame Repair Sections for 1984-2001 CHEROKEE - RB6062

Chassis Stiffeners, Jeep XJ, Rear, Unibody Stiffeners, Left and Right, Pair

Part Number: RBF-RB6062

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Hotchkis Sport Suspension Weld-On Subframe Connectors 4009

Subframe Connectors, Weld-On, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: HSS-4009

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Competition Engineering Weld-On Subframe Connectors for 1967-1969 CAMARO, FIREBIRD - C3012

Subframe Connectors, Weld-On, Steel, Natural, Chevy, Pontiac, Pair

Part Number: CEE-3012

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Competition Engineering Bolt-On Frame Connectors for 1967-1969 CAMARO, FIREBIRD - C3112

4.5 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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BMR Subframe Connectors for 2004-2006 GTO - SFC007H

Subframe Connectors, Weld-On, Black Hammertone Powdercoated, Steel, Pontiac, Pair

Part Number: BMR-SFC007H

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Hotchkis Sport Suspension Subframe Connectors, Weld-On 4018

Subframe Conn., Mopar A-Body

Part Number: HSS-4018

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Classic Performance Subframe Connectors, Weld-On 6470SFC-B

SUBFRAME CONNECTORS

Part Number: CLP-6470SFC-B

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

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