QA1 Rear MOD Coilover Conversion Systems

Not Yet Reviewed

QA1 MOD Series coilover conversion systems put the ability to re-valve your shocks—on your car—into the palm of your hand. These innovative shocks feature QuickTune

QA1 MOD Series coilover conversion systems put the ability to re-valve your shocks—on your car—into the palm of your hand. These innovative shocks feature QuickTune Technology, an industry-first that provides the ability to adapt to any track, any conditions, any time. The technology consists of interchangeable, dry modular valve pack assemblies, that can be thought of as dozens of finely tuned shocks you can hold in the palm of your hand. They define the valving curve of the shocks, and can be changed without interrupting the oil pathways. Simply unscrew from the shock, bolt-in another one with a new pre-determined valving range—and you're ready to go. There's no mess, no contamination, no air intrusion, and no downtime waiting on someone to re-valve your shocks. Ideal for Circle Track and Street/Strip applications, the shocks are available in a variety of extended and collapsed length models to best fit your vehicle. You get everything you need with these QA1 Rear MOD systems, from shocks to nuts and bolts, complete installation instructions, and even decals! Additional benefits and features of QA1 MOD Series shocks: * All new design delivers force, control, and unmatched tenability * Hard anodized aluminum bodies with PTFE—durable, non-galling surface * Double-adjustable shocks with low-speed bleed adjustments * Large solid piston (with blow-off valve)—improved driver feel and control with up to 1,600 lb. force * High-speed valving adjustment (coarse adjustment)—relates to shock operation during impact events, like hitting a pothole or curb * 24 clicks/settings—wider range of adjustment than comparable shocks * Indexable base eyelet—multiple mounting position to optimize knob access and provide more mounting flexibility * Low-speed valving (fine-tune adjustments)—adjusts ride quality and weight transfer on corner entry/exit; more bleed for softer feel and less bleed for stiffer feel * Piggyback or remote canister options * Unique spring adjuster nut and tool * Thrust bearings included * Superior thermal performance, as oil is in constant contact with outer body * One base shock can be upgraded over time to keep up with increased performance levels of your vehicle

Showing In Stock Items. Show All 17 Items.

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QA1 Rear MOD Coilover Conversion Systems for 1997-2013 CORVETTE - RCK52474

Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, 550 lbs./in. Spring Rate, Chevrolet, Pair

Part Number: QA1-RCK52474

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52445

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 200 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52445

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52442

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 175 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52442

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

QA1 Rear MOD Coilover Conversion Systems RCK52460

Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, Aluminum, Black/Red, Eyelet Mounts, Buick, Chevrolet, Olds, Pontiac, Kit

Part Number: QA1-RCK52460

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52448

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 170 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52448

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52449

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 200 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52449

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52440

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 130 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52440

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52441

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 150 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52441

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52450

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 220 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52450

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems for 1997-2013 CORVETTE - RCK52475

Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, 700 lbs./in. Spring Rate, Chevrolet, Pair

Part Number: QA1-RCK52475

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52451

Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, Eyelet Mounts, 200 lbs./in. Spring Rate, Buick, Chevy, Olds, Pontiac, Kit

Part Number: QA1-RCK52451

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52452

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 200 lbs./in. Spring Rate, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52452

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52453

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

Part Number: QA1-RCK52453

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52454

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 300 lbs./in. Spring Rate, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52454

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52463

Coilover Kits, Rear MOD Coilover Conversion Systems, Rear, Twin-tube Shocks, Aluminum, Black/Red, Eyelet Mounts, Buick, Chevy, Olds, Pontiac, Kit

Part Number: QA1-RCK52463

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52444

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 170 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52444

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

QA1 Rear MOD Coilover Conversion Systems RCK52446

Coilover Kit, MOD Coilover System, Rear, Double Adjustable, 220 lbs./in. Spring Rate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: QA1-RCK52446

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

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