Truck & Car Suspension Parts & Kits

Hyperco I-Series Coilover Springs 18I-1100-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 1,100 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-1100-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-1200-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 1,200 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-1200-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-1300-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 1,300 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-1300-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-1400-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 1,400 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-1400-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-1500-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 1,500 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-1500-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-1700-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 1,700 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-1700-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-1800-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 1,800 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-1800-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-1900-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 1,900 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-1900-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-3700-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 3,700 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-3700-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series Coilover Springs 18I-3900-HT

Coilover Spring, I-Series, 36mm Inner Diameter, 3,900 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18I-3900-HT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Hyperco I-Series 4 Inch Coilover Spring 18I-1400-HT-4

Coilover Spring, I-Series, 36mm Inner Diameter, 4 in. Free Length, 1,400 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-S0024

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Rear Drop Kits for 1999-2006 SIERRA 1500, SILVERADO 1500 - RDK52620

Suspension Lowering Kit, Rear Drop Kit, Shackle, Single Adjustable Shocks, 2-4 in. Rear, Long Bed, Chevy, GMC, Kit

Part Number: QA1-RDK52620

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Rear Drop Kits for 1999-2006 SIERRA 1500, SILVERADO 1500 - RDK52621

Suspension Lowering Kit, Rear Drop Kit, Shackle, Double Adjustable Shocks, 2-4 in. Rear, Long Bed, Chevy, GMC, Kit

Part Number: QA1-RDK52621

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Rear Drop Kits for 2007-2018 SIERRA 1500, SILVERADO 1500 - RDK52626

Suspension Lowering Kits, Rear Drop Kits, Shackles/Hangers, Single-adjustable Shocks/Struts, 4.000-6.000 in. Drop Rear, Chevrolet, Kit

Part Number: QA1-RDK52626

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Rear Drop Kits for 2007-2018 SIERRA 1500, SILVERADO 1500 - RDK52627

Suspension Lowering Kit, Rear Drop Kit, Shackle, Double Adjustable Shocks, 4-6 in. Rear, Chevy, GMC, Kit

Part Number: QA1-RDK52627

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Rear Drop Kits for 2015-2020 F-150 - RDK52629

Suspension Lowering Kit, Rear Drop Kit, Flip Kit, Single Adjustable Shocks, 3.50-5.50 in. Rear, Ford, Kit

Part Number: QA1-RDK52629

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Rear Drop Kits for 2015-2020 F-150 - RDK52630

Suspension Lowering Kit, Rear Drop Kit, Flip Kit, Double Adjustable Shocks, 3.50-5.50 in. Rear, Ford, Kit

Part Number: QA1-RDK52630

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Lowering Kits for 2007-2016 SIERRA 1500, SILVERADO 1500 - LK12-GMT04

Suspension Lowering Kit, Coilover, Spindle, Shackle and Hanger, Double Adjustable Shocks, 3-5 in. Front, 4-6 in. Rear, 4WD, Chevy, GMC, Kit

Part Number: QA1-LK12-GMT04

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Lowering Kits for 2014-2018 SIERRA 1500, SILVERADO 1500 - LK21-GMT04

Suspension Lowering Kit, Coilover, Spindle, Shackle and Hanger, Single Adjustable Shocks, 3-5 in. Front, 4-6 in. Rear, 4WD, Chevy, GMC, Kit

Part Number: QA1-LK21-GMT04

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Lowering Kits for 2014-2018 SIERRA 1500, SILVERADO 1500 - LK22-GMT03

Suspension Lowering Kit, Coilover, Spindle, Shackle and Hanger, Double Adjustable Shocks, 3-5 in. Front, 4-6 in. Rear, 2WD, Chevy, GMC, Kit

Part Number: QA1-LK22-GMT03

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Lowering Kits for 2007-2018 SIERRA 1500, SILVERADO 1500 - LK01-GMT04

Suspension Lowering Kit, Coilover, Flip Kit, Single Adjustable Shocks, 1-3 in. Front, 4-6 in. Rear, 4WD, Silverado, Kit

Part Number: QA1-LK01-GMT04

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Lowering Kits for 1999-2006 SIERRA 1500, SILVERADO 1500 - LK01-GMT06

Suspension Lowering Kit, Coilover, Shackle and Hanger, Single Adjustable Shocks, 0-2 in. Front, 2-4 in. Rear, 2WD, Long Bed, Chevy, GMC, Kit

Part Number: QA1-LK01-GMT06

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

QA1 Lowering Kits for 2007-2018 SIERRA 1500, SILVERADO 1500 - LK02-GMT01

Suspension Lowering Kit, Coilover, Flip Kit, Double Adjustable Shocks, 1-3 in. Front, 2-3 in. Rear, 2WD, Silverado, Kit

Part Number: QA1-LK02-GMT01

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Lowering Kits for 2007-2018 SIERRA 1500, SILVERADO 1500 - LK02-GMT03

Suspension Lowering Kit, Coilover, Flip Kit, Double Adjustable Shocks, 1-3 in. Front, 4-6 in. Rear, 2WD, Silverado, Kit

Part Number: QA1-LK02-GMT03

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

QA1 Lowering Kits for 2007-2018 SIERRA 1500, SILVERADO 1500 - LK02-GMT04

Suspension Lowering Kit, Coilover, Flip Kit, Double Adjustable Shocks, 1-3 in. Front, 4-6 in. Rear, 4WD, Silverado, Kit

Part Number: QA1-LK02-GMT04

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today