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...

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UMI Performance Stock Height Springs 4049F

UMI Performance Stock Height Springs 4049F

Coil Springs, Stock Height, Front, 15.625 in. Free Length, 550 lbs. Rate, 850 lbs.at 13.875 in., Black, Buick, Chevrolet, Oldsmobile, Pontiac, Pair

Part Number: UPI-4049F

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Moog Replacement Coil Springs for 1975-1976 BOBCAT, PINTO, 1974-1978 MUSTANG II - 8556

Coil Springs, Front, OE Style, Square Top End, Tangential Bottom End, 364 lbs./in. Rate, 13.81 in. Free Height, 4.68 in. O.D., Ford, Mercury, Pair

Part Number: MOG-8556

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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BDS Suspension Glide-Ride Leaf Springs for 1976-1983 CJ5, 1976-1986 CJ7 - BDS004409

Leaf Spring, Glide Ride, Progressive, Rear, 4.0 in. Lift, 2.5 in. Wide, 42 in. Free Length Eyelet-to-Eyelet, Black Finish, Jeep, CJ5, CJ7, 4WD, Each

Part Number: BDX-BDS004409

Not Yet Reviewed

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Landrum ST Bump Stop Springs ST2500

Racing Springs, ST Bump Stop Springs, Coil, 2.125 in. Free Length, 1.960 in. O.D., 2,500 lbs./in. Rate, Steel, Black Powdercoated, Each

Part Number: LAN-ST2500

Not Yet Reviewed

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Hyperco Formula SAE 4.400 in. Coilover Spring 18FS250

Coilover Spring, Formula SAE, 1.450 in. Inner Diameter, 4.400 in. Free Length, 250 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18FS250

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Hyperco Formula SAE 4.400 in. Coilover Spring 18FS150

Coilover Spring, Formula SAE, 1.450 in. Inner Diameter, 4.400 in. Free Length, 150 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18FS150

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Hyperco Formula SAE 4.400 in. Coilover Spring 18FS300

Coilover Spring, Formula SAE, 1.450 in. Inner Diameter, 4.400 in. Free Length, 300 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18FS300

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Landrum ST Bump Stop Springs ST1800

Racing Springs, ST Bump Stop Springs, Coil, 2.125 in. Free Length, 1.960 in. O.D., 1,800 lbs./in. Rate, Steel, Black Powdercoated, Each

Part Number: LAN-ST1800

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Hyperco Formula SAE 4.400 in. Coilover Spring 18FS200

Coilover Spring, Formula SAE, 1.450 in. Inner Diameter, 4.400 in. Free Length, 200 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18FS200

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Old Man Emu Coil Springs for 2011-2020 GRAND CHEROKEE - 3074

Coil Springs, Medium Load, Rear, 20mm Bar Steel, 385mm Free Height, 8 Turns, 750 lbf.-in. OEM Rate, Weighs 7 kg, Black, Jeep, WK2, Pair

Part Number: EMU-3074

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Hyperco Hypercoil 18 Inch Coilover Spring 1818SB095

Coilover Spring 18" Free Length X 2.5" ID / 5" OD X 95# rate

Part Number: HYC-1818SB095

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Landrum ST Bump Stop Springs ST1200

Racing Springs, ST Bump Stop Springs, Coil, 2.125 in. Free Length, 1.960 in. O.D., 1,200 lbs./in. Rate, Steel, Black Powdercoated, Each

Part Number: LAN-ST1200

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Hyperco I-Series 5 Inch Coilover Spring 18I-1700-HT-5

Coilover Spring, I-Series, 36mm Inner Diameter, 5 in. Free Length, 1,700 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-S0018

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Landrum ST Bump Stop Springs ST1600

Racing Springs, ST Bump Stop Springs, Coil, 2.125 in. Free Length, 1.960 in. O.D., 1,600 lbs./in. Rate, Steel, Black Powdercoated, Each

Part Number: LAN-ST1600

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Landrum ST Bump Stop Springs ST5000

Racing Springs, ST Bump Stop Springs, Coil, 2.125 in. Free Length, 1.960 in. O.D., 5,000 lbs./in. Rate, Steel, Black Powdercoated, Each

Part Number: LAN-ST5000

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Landrum ST Bump Stop Springs ST4000

Racing Springs, ST Bump Stop Springs, Coil, 2.125 in. Free Length, 1.960 in. O.D., 4,000 lbs./in. Rate, Steel, Black Powdercoated, Each

Part Number: LAN-ST4000

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Hyperco I-Series 4 Inch Coilover Spring 18I-1500-HT-4

Coilover Spring, I-Series, 36mm Inner Diameter, 4 in. Free Length, 1,500 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-S0022

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Hyperco I-Series 4 Inch Coilover Spring 18I-0800-HT-4

Coilover Spring, I-Series, 36mm Inner Diameter, 4 in. Free Length, 800 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-S0030

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Hyperco Formula SAE 4.400 in. Coilover Spring 18FS400

Coilover Spring, Formula SAE, 1.450 in. Inner Diameter, 4.400 in. Free Length, 400 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-18FS400

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Hyperco I-Series 5 Inch Coilover Spring 18I-1400-HT-5

Coilover Spring, I-Series, 36mm Inner Diameter, 5 in. Free Length, 1,400 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-S0023

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Landrum ST Bump Stop Springs ST4500

Racing Springs, ST Bump Stop Springs, Coil, 2.125 in. Free Length, 1.960 in. O.D., 4,500 lbs./in. Rate, Steel, Black Powdercoated, Each

Part Number: LAN-ST4500

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 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: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Hyperco I-Series 5 Inch Coilover Spring 18I-3000-HT-5

Coilover Spring, I-Series, 36mm Inner Diameter, 5 in. Free Length, 3,000 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-S0003

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Hyperco I-Series 5 Inch Coilover Spring 18I-1800-HT-5

Coilover Spring, I-Series, 36mm Inner Diameter, 5 in. Free Length, 1,800 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-S0016

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Hyperco I-Series 5 Inch Coilover Spring 18I-2800-HT-5

Coilover Spring, I-Series, 36mm Inner Diameter, 5 in. Free Length, 2,800 lbs./in. Spring Rate, Blue Powdercoated, Each

Part Number: HYC-S0005

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

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