Chassis Components - Frame Brace, K-Members & More

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: Monday 3/9/2026 if shipped by air

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Crossmember, Transmission, Steel, Black, GM, TH400/200-4R, Each

Part Number: SUM-770311

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Subframe Connectors, Weld-On rear, Bolt-On front, No Mods, Black Powdercoated, Steel, Chevy, Pontiac, Pair

Part Number: HSS-4007

5.0 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Tubing, Round, Mild Steel, 1.250 in. Diameter, 0.120 in. Wall Thickness, 7.5 ft. Long, Each

Part Number: SUM-TR1250-120-7

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Oversize $7.99

Subframe Braces, Rear IRS, Mustang, S550 Coupe Models, Chromoly, Silver Powdercoat, Chassis Stiffeners, Pair

Part Number: SDA-555-5754

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Frame FX Kit, Chevelle, Steel, Natural, Hellwig, Frame Rail Brace, Chevrolet, Each

Part Number: HEL-11100

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Tubing, Round, Mild Steel, 1.750 in. Diameter, 0.095 in. Wall Thickness, 7.5 ft. Long, Each

Part Number: SUM-TR1750-095-7

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Oversize $7.99

Chassis Stiffeners, Frame Brace Kits, Frame Position, Steel, Natural, Designed for A 2-door A-body, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: SDP-30710

3.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Transmission Crossmember, Steel, Black Powdercoated, Channel Frame Only, 200-4R, TH400, Each

Part Number: SUM-770335

4.55 out of 5 stars ( 20 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Transmission Crossmember, Tubular, Steel, Black Powdercoated, Chevy, 4L60, 700R4, Each

Part Number: CLP-CP90343

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Aluminum Panel, Natural Finish, 48 in. Length, 24 in. Width, 1/8 in. Thick, Each

Part Number: AAF-ALL22238

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Transmission Crossmember, LS Swap, 4L60E/4L70E, Chevy S10, GMC S15, Kit

Part Number: TRD-9719

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Wheelhouses, Wider Wheel Well Tubs, Steel, EDP Finish, Rear Inner, Chevy, Pair

Part Number: RLD-WWT-567

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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K-Members, Tubular, HSLA Steel, Black Powdercoated, Ford, Mustang, Each

Part Number: QA1-MUK01

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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K-Member and A-Arms, Tubular, Steel, Red Powdercoated, Chevy, Pontiac, SBC, Gen 1, LS, Kit

Part Number: UPI-240331-R

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Tube End, Weldable, Chromoly Steel, 1.250 in. Diameter, 3/4 in.-16 RH Thread, Smooth End, Each

Part Number: FKB-2808

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Tubing, Round, Mild Steel, 1.625 in. Diameter, 0.120 in. Wall Thickness, 7.5 ft. Long, Each

Part Number: SUM-TR1625-120-7

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Oversize $7.99

Transmission Crossmember, Camaro, Firebird, 3rd Gen, LS Swap, Each

Part Number: HOK-71222005HKR

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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FRAME BRACE KIT

Part Number: SDP-60710

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Automatic Conversion Installation Kit, Mount Included, Hardware Included, Ford, Mustang, AOD, Kit

Part Number: CPO-TRA-670-407

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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

Part Number: ARH-AL-102411

3.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Chassis Stiffeners, Front Reinforcement Braces, Front Lower Position, Steel, Black Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-3053-B

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Shock and Strut Braces, Shock Tower Braces, Steel, Black Powdercoated, Rear Upper, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-4058-B

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Crossmember, Drop Center, Bolt-on, Steel, Black Powdercoated, Chevy, GMC, Kit

Part Number: CLP-6372LDL-B

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Universal Panel Mounting Strip, Scalloped, Weld On, 48 in Length, 3/16 in. holes on 4 in. centers, .045 in. Mild steel, Each

Part Number: SUM-770985

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Oversize $7.99