QA1 Chassis & Suspension

Rear Suspension Package, Four Link Conversion and Narrowed Ford 9 in. Axle, Double Adjustable, Black Powdercoated Finish, 5 x 4.75 in., GM X-Body, Kit

Part Number: QA1-R258-170N

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Sway Bar, Rear, Solid, Steel, Black Powdercoated, 1 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: QA1-52878

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Control Arms, Front Lower, Tubular, Steel, Black, Ford, Pair

Part Number: QA1-52740

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Shock, Twin Tube, QA1 Stocker Star, 16.380 in. Extended, 11.000 in. Collapsed, Each

Part Number: QA1-TD504

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coilover Kits, Rear Pro Coilover Conversion Systems, Adjustable, Twin-tube Shocks, Eyelet Mounts, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52362

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 18.750 in. Extended, 12.625 in. Collapsed, Each

Part Number: QA1-DD602

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Shock, Twin Tube, QA1 Stocker Star, 20.500 in. Extended, 13.250 in. Collapsed, Each

Part Number: QA1-TD802

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Control Arms, Pro-Touring Series, Front Lower, Tubular, Steel, Black Powdercoated, Chevy, Pontiac, Pair

Part Number: QA1-52525

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coilover Kit, Pro Coilover System, Front, Single Adjustable, Chevy, Edsel, Ford, Mercury, Pair

Part Number: QA1-GS507-10750C

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Bump Steer Kit, Ford, Lowered, V-8, Kit

Part Number: QA1-BAX104

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Diagonal Link, Mild Steel, Natural, 1 in. Diameter, 40 in. Length, Kit

Part Number: QA1-7838-1068

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Control Arms, GM 2.0 Street Series, Front Lower, Steel, Black Powdercoated, Chevy, GMC, Pair

Part Number: QA1-52766

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coilover Shock, Proma Star, Double-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 23.625 in. Extended, 15.000 in. Collapsed, Each

Part Number: QA1-DD902

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Torsion Bar Adjusters, Steel, Zinc Plated, Dodge, Plymouth, Pair

Part Number: QA1-52360

3.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Rear Suspension System, Adjustable, Double Adjustable Coilover, 200 lbs./in., Torque Arm, Panhard Bar, Ford 9 in., Chevy C10, Kit

Part Number: QA1-R232-200

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

K-Member, Steel, Black Powdercoated, Dodge, Plymouth, Each

Part Number: QA1-52314

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Shock Bearings, Spherical, with Snap Rings, COM-T Series, Steel, PTFE Lined, 0.500 in. Inner Diameter, 1 in. Outer Diameter, 1 in. Wide, Pair

Part Number: QA1-COM8T-102PK

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Rear Suspension Package, Single Adjustable, Medium Ride. C10, 63-72

Part Number: QA1-RCK52612

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coilover Kits, Proma Star Double Adjustable Coilover Systems, Front, Adjustable Valving, Twin-tube, 200 lbs./in. Rate Springs, Ford, Pair

Part Number: QA1-HD02-12200

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coilover Conversion, Single Adjustable Shocks, 850 lb. Spring Rate, Upper and Lower Control Arms, Tubular, Black Powdercoated, Chevy, GMC, Kit

Part Number: QA1-52611-S850

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Coilover Kits, Proma Star Double Adjustable Coilover Systems, Front, Twin-tube, 250 lbs./in. Rate Springs, Chevrolet, Pontiac, Pair

Part Number: QA1-HD06-12250

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coilover Kit, Pro Coilover System, Rear, Double Adjustable, 250 lbs./in. Spring Rate, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52380

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Shocks and Struts, Stocker Star Shocks, Double Adjustable, Stock Ride Height, Twin-tube, Rear, Chevrolet, GMC, Each

Part Number: QA1-TD904

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Coilover Shocks and Struts, Pro Coil, Single-adjustable, Aluminum, Clear Anodized, 14.50 in. Extended Length, Front, Buick, Chevy, Olds, Pontiac, Each

Part Number: QA1-GS507

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Upper Control Arms, Tubular, Black, Chevy, GMC, Pair

Part Number: QA1-52607

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Free Shipping