1978 Chassis Components Chassis & Suspension - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Van Steel Crossmember Bushing and Reinforcements SG-47

Differential Cross Member Reinforcement, Aluminum, Black Anodized, Pair

Part Number: VAC-SG-47

Not Yet Reviewed

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Rust Buster Spare Tire Crossmembers RB7362

Rear Crossmembers, Crossmember Support, Spare Tire, Weld-On, Steel, Natural Finish, 31.2 in. Long, Hardware included, Chevy, Each

Part Number: RBF-RB7362

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Summit Racing™ Frame Rail and Subframe Connector Pro Packs for 1970-1981 CAMARO, FIREBIRD - 15-0004

Combo, Competition Engineering, Formed Frame Rails, Subframe Connectors, Weld-on, Kit

Part Number: CMB-15-0004

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Rust Buster Frame Stiffeners RB1005

Frame Reinforcement Plates, Stiffeners, Front, Steel, Natural, Jeep, CJ, Pair

Part Number: RBF-RB1005

5.0 out of 5 stars ( 1 )

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Hooker LS Engine Swap Transmission Crossmembers for 1970-1981 CAMARO, FIREBIRD - 71222006HKR

Transmission Crossmember, Camaro, Firebird, 2nd Gen, T56, T56 Magnum Trans, Each

Part Number: HOK-71222006HKR

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Summit Racing™ Dual-Exhaust Transmission Crossmembers for 1968-1981 CORVETTE - SUM-770352

Summit Racing™ Dual-Exhaust Transmission Crossmembers for 1968-1981 CORVETTE - SUM-770352

Transmission Crossmember, Steel, Black Powdercoated, Chevy, 4L80E, 4L85E, Each

Part Number: SUM-770352

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hooker Transmission Crossmember Extension Brackets 12655HKR

Transmission Crossmember Extension Bracket, Bolt-on, Steel, Black, Buick, Chevy, Pontiac, LS, 4L60, 4L60E

Part Number: HOK-12655HKR

5.0 out of 5 stars ( 3 )

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Rust Buster Frame Repair Sections for 1975-1986 C10, 1975-1978 C15 - RB7367R

Frame Rails, Replacement, Leaf Spring Frame Section, Passenger Side, OEM Style, Steel, Natural, Weld-In, Support Plate, Hardware, Chevy, GMC, Each

Part Number: RBF-RB7367R

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Hooker Transmission Crossmember Extension Brackets for 1975-1989 D100, 1972-1974 D100 PICKUP, 1977-1993 D150 - BHS528

Transmission Crossmember Extension Bracket, Bolt-on, Steel, Black, Manual, TR6060, Dodge, Each

Part Number: HOK-BHS528

Not Yet Reviewed

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Nolathane Body Lift Kits for 1976-1979 CJ5, CJ7 - REV221.0000

Body Lift, Polyurethane, 1.00 in. Lift, Jeep, Kit

Part Number: NLT-REV221-0000

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

BMR Shock Tower Braces STB462H

Shock Tower Braces, Steel, Black, Rear, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: BMR-STB462H

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Competition Engineering Bolt-On Frame Connectors for 1976-1981 CAMARO, FIREBIRD - C3114

Subframe Connectors, Bolt-On, Black Powdercoated Steel, Chevy, Pontiac, Pair

Part Number: CEE-3114

3.38 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Bowler Performance Transmission Crossmembers for 1975-1981 CAMARO, FIREBIRD - 4601011

Transmission Crossmember, Steel, Black, for Use with SBC or LS Engines Using Stock Subframe In Factory SBC Location, Manual, Chevrolet, Pontiac, Each

Part Number: BTM-4601011

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Hellwig Frame FX Kits 11104

Frame FX Kit, GM G-Body, Steel, Natural, Hellwig, Frame Rail Brace, Each

Part Number: HEL-11104

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Rust Buster Frame Repair Sections for 1975-1986 C10 - RB7369L

Frame Rails, Replacement, Center Frame, Forward Section, Left/Driver Side, OEM Style, Steel, Natural, Weld-In, Chevy, GMC, Each

Part Number: RBF-RB7369L

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Silver Sport Transmission - Engine Crossmembers for 1975-1981 CAMARO, FIREBIRD - XMG-18000

Crossmember GM F2 Late 1975-81 Magnum

Part Number: IST-XMG-18000

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Silver Sport Transmission Support Brackets for 1968-1982 CORVETTE - XMG-02501

Crossmember Support Bracket GM C3 Corvette 1968-82 TKO/TKX

Part Number: IST-XMG-02501

1.0 out of 5 stars ( 1 )

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GSI Machine and Fabrication Transmission Crossmembers 120-5117

Transmission Crossmember, Steel, Black Powdercoated, Chevy, GMC, Each

Part Number: GMF-120-5117

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Hurst Transmission Crossmembers for 1975-1981 CAMARO, FIREBIRD - 67510012

Transmission Crossmember, Steel, Black Powdercoated, Tremec TKO, Chevrolet, Pontiac, RWD, Each

Part Number: HUU-67510012

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Rust Buster Frame Repair Sections for 1975-1986 C10 - RB7377L

Frame Rails, Replacement, Rear Frame Section, Left/Driver Side, OEM Style, Steel, Natural, Weld-In, Chevy, GMC, Each

Part Number: RBF-RB7377L

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Summit Racing™ Dual-Exhaust Transmission Crossmembers SUM-770541

Transmission Crossmember, Steel, Black Powdercoated, B-Body, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: SUM-770541

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Kentrol Frame Covers 30433

Frame Cover, Stainless Steel, Jeep, CJ, Each

Part Number: KTL-30433

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Allstar Performance GM Metric Chassis Trailing Arm Bracket Kits ALL60054

GM Metric Chassis Trailing Arm Bracket Kit, Multi-Hole Lower, Steel, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: AAF-ALL60054

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Competition Engineering Weld-On Subframe Connectors C3016

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

Part Number: CEE-3016

3.0 out of 5 stars ( 2 )

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BMR Suspension Chassis Stabilizers CB460R

CHASSIS BRACE

Part Number: BMR-CB460R

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today