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Chassis & Suspension

Car & Truck Chassis & Suspension Parts

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Car & Truck Chassis & Suspension Parts

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf...

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and...

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and suspension mounts and bushings.

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Individual Parts

Results 1 - 20 of 20

Lowering Kit, Weight Jack System, Front, 850 lbs. Spring Rate, Black, Chevrolet, Pontiac, Kit

Part Number: UPI-2065-1-B

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Lowering Kit, Weight Jack System, Front, 850 lbs. Spring Rate, Red, Chevrolet, Pontiac, Kit

Part Number: UPI-2065-1-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Lowering Kit, Weight Jack System, Front 1,050 lbs. Spring Rate, Rear 200 lbs. Spring Rate, Black, Chevrolet, Pontiac, Kit

Part Number: UPI-206575-3-B

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

Lowering Kit, Weight Jack System, Rear, 175 lbs. Spring Rate, Black, Chevrolet, Pontiac, Kit

Part Number: UPI-2075-1-B

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Lowering Kit, Weight Jack System, Front 850 lbs. Spring Rate, Rear 175 lbs. Spring Rate, Red, Chevrolet, Pontiac, Kit

Part Number: UPI-206575-1-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Lowering Kit, Weight Jack System, Rear, 175 lbs. Spring Rate, Red, Chevrolet, Pontiac, Kit

Part Number: UPI-2075-1-R

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

Lowering Kit, Weight Jack System, Front, 1,050 lbs. Spring Rate, Red, Chevrolet, Pontiac, Kit

Part Number: UPI-2065-3-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Lowering Kit, Weight Jack System, Front, 1,050 lbs. Spring Rate, Black, Chevrolet, Pontiac, Kit

Part Number: UPI-2065-3-B

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

REAR SUSPENSION, 67-69 GM F-BODY, 67-69 GM F-BODY, D-ADJ, 12-170, AXLE-STD

Part Number: QA1-R256-170S

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, D-ADJ, 12-170, AXLE-STD

Part Number: QA1-R258-170S

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rear Suspension, 4 Link Conversion, Triangulated, Mod Series Shocks, 170 lbs/in, Springs, Black, Ford 9 in, Standard Axle, Chevrolet, Pontiac, Kit

Part Number: QA1-R357-170S

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rear Suspension, 4 Link Conversion, Triangulated, Mod Series Shocks, 170 lbs/in, Springs, Black, Ford 9 in, Narrowed Axle, Chevrolet, Pontiac, Kit

Part Number: QA1-R357-170N

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

REAR SUSPENSION, 67-69 GM F-BODY, 67-69 GM F-BODY, MOD, 12-170, W/AXLE-N

Part Number: QA1-R356-170N

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rear Suspension, 4 Link Conversion, Triangulated, Double Adjustable, 170 lbs/in, Springs, Black, Ford 9 in, Standard Axle, Chevrolet, Pontiac, Kit

Part Number: QA1-R257-170S

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

REAR SUSPENSION, 67-69 GM F-BODY, 67-69 GM F-BODY, D-ADJ, 12-170, AXLE-NAR

Part Number: QA1-R256-170N

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rear Suspension, 4 Link Conversion, Triangulated, Double Adjustable, 170 lbs/in, Springs, Black, Ford 9 in, Narrowed Axle, Chevrolet, Pontiac, Kit

Part Number: QA1-R257-170N

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, MOD, 12-170, AXLE-STD

Part Number: QA1-R358-170S

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

REAR SUSPENSION, 67-69 GM F-BODY, 67-69 GM F-BODY, MOD, 12-170, W/AXLE

Part Number: QA1-R356-170S

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

REAR SUSPENSION, 68-72 GM X-BODY, 68-72 GM X-BODY, MOD, 12-170, AXLE-NAR

Part Number: QA1-R358-170N

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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