BUICK RIVIERA QA1 Suspension Components

Coilover Spring, Pro, Flat Style, 750 lbs./in. Rate, 10 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTBF750

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

Coilover Spring, Pro, Flat Style, 550 lbs./in. Rate, 10 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTBF550

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

Coilover Spring, Pro, Flat Style, 450 lbs./in. Rate, 10 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTBF450

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

Coilover Spring, Pro, Flat Style, 400 lbs./in. Rate, 10 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTBF400

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

Coilover Spring, Pro, Flat Style, 650 lbs./in. Rate, 10 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTBF650

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

Coilover Spring, Pro, Flat Style, 500 lbs./in. Rate, 10 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTBF500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

Coilover Spring, Pro, Flat Style, 600 lbs./in. Rate, 10 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTBF600

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

Coilover Spring, Pro, Flat Style, 300 lbs./in. Rate, 11 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-11HTBF300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

Coilover Spring, Pro, Flat Style, 250 lbs./in. Rate, 11 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-11HTBF250

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

Shock, Stocker Star, 23.630 in. Extended, 14.630 in. Colapsed, Double Adjustable, Eyelet/Eylet, Aluminum, Anodized, Rear, Buick, Rivera, Each

Part Number: QA1-TD907

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

• Free Shipping

Coilover Shocks and Struts, Pro Coil, Double-adjustable, Twin-tube, Aluminum, Silver, Stud Upper/T-bar Lower Mounts, 14.50 in. Extended Length, Pair

Part Number: QA1-GD508

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Spring, Pro, Pigtail Style, 300 lbs./in. Rate, 11 in. Length, 3.50/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-11HTSP300

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10500C

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

• Free Shipping

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10550C

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Shocks and Struts, Stocker Star Shocks, Stock Ride Height, Twin-tube, Stud Upper/T-bar Lower Mounts, 14.50 in. Extended Length, Each

Part Number: QA1-TS519

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Pair

Part Number: QA1-GS508-10650C

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Shocks and Struts, Stocker Star Shocks, Stock Ride Height, Adjustable Valving, Stud Upper/T-bar Lower Mounts, 14.50 in. Extended Length, Each

Part Number: QA1-TD519

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

• Free Shipping

Shocks and Struts, Stocker Star Shocks, Stock Ride Height, Twin-tube, Rear, Buick, Each

Part Number: QA1-TS907

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Shock, Stocker Star, Non-Adjustable, Aluminum, Rear, Buick, Riviera, Each

Part Number: QA1-TN907

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10600C

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10650C

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10750C

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Pair

Part Number: QA1-GD508-10450C

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Pair

Part Number: QA1-GS508-10450C

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Pair

Part Number: QA1-GS508-10500C

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order