MERCURY Coilover Kits - 550 lbs./in. Spring Rate (lbs./in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

QA1 Pro Coilover Systems GS507-10550C

Coilover Kit, Pro Coilover System, Front, Single Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GS507-10550C

Not Yet Reviewed

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Aldan American Road Comp Coilover Kits 300183

Aldan American Road Comp Coilover Kits 300183

Coil-Over Kit, Single Adjustable, Front, 550 lbs, Spring Rate, Ford, Pair

Part Number: AAX-300183

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

QA1 Pro Coilover Systems GD507-10550C

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-GD507-10550C

Not Yet Reviewed

Estimated Ship Date: Today

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Aldan American Road Comp Coilover Kits for 1962-1965 FAIRLANE, 1962-1963 METEOR - 300180

Coil-Over Kit, Single Adjustable, Front, Big Block, Ford, Mercury, Pair

Part Number: AAX-300180

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Aldan American Track Comp Coilover Kits 300129

Coil-Over Kit, BBF, Double Adjustable, Front, Mercury, Ford. Pair

Part Number: AAX-300129

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Aldan American Track Comp Suspension Packages 300298

Coilover Kits, Track Comp, Front, 0.0 - 2.0 in. Lowered Front, Rear Shocks, Double Adjustable, 550 lb./in. Spring Rate, Ford, Mercury, Big Block, Kit

Part Number: AAX-300298

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Aldan American Road Comp Suspension Packages for 1965-1968 COMET, 1967-1973 COUGAR, 1965-1973 MUSTANG - 300125

Coilover Kits, Road Comp Coilover Systems, Front, Adjustable Valving, Black Springs, Designed for Use with Big Block Engines, Ford, Mercury, Kit

Part Number: AAX-300125

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Aldan American Road Comp Coilover Kits 300127

Coil-Over Kit, BBF, Single Adjustable, Front, Mercury, Ford. Pair

Part Number: AAX-300127

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Aldan American Road Comp Suspension Packages 300131

Coilover Kits, Road Comp Coilover Systems, Front, Adjustable Valving, Black Springs, Designed for Use with Big Block Engines, Ford, Mercury, Kit

Part Number: AAX-300131

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Aldan American Track Comp Coilover Kits for 2003-2011 CROWN VICTORIA, GRAND MARQUIS, 2003-2007 TOWN CAR - 300334

Coilover Kits, Road Comp, Front, 0.0 - 2.0 in. Lowered, Twin-tube Shocks, Black Powdercoated Springs, 550 lbs./in. Rate, Ford, Kit

Part Number: AAX-300334

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Aldan American Track Comp Suspension Packages 300300

Coilover Kits, Track Comp, Front, 0.0 - 2.0 in. Lowered Front, Rear Shocks, Double Adjustable, 550 lb./in. Spring Rate, Ford, Mercury, Big Block, Kit

Part Number: AAX-300300

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today