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Western Chassis Suspension Parts

Western Chassis didn’t invent the sport truck, but it did help create the sport truck movement with its first drop spindles in the early 1980s. Today, Western...

Western Chassis didn’t invent the sport truck, but it did help create the sport truck movement with its first drop spindles in the early 1980s. Today, Western Chassis offers a full array of components for sport trucks and lowered vehicles, including lowering spindles, lowering springs, flip kits, shackle kits, torsion keys, and more. Western Chassis suspension parts and accessories deliver that aggressive, lowered look with no compromises. You get a smooth ride and great handling, too! You can have it all with Western Chassis—shop Summit Racing today!

Western Chassis didn’t invent the sport truck, but it did help create the sport truck movement with its first drop spindles in the early 1980s. Today, Western Chassis offers a full array of components for sport trucks and lowered vehicles, including lowering spindles, lowering springs, flip kits, shackle kits, torsion keys, and more. Western Chassis suspension parts and accessories deliver that aggressive, lowered look with no compromises. You get a smooth ride and great handling, too! You can have it all with Western Chassis—shop Summit Racing today!

Individual Parts

Part Groups

Results 1 - 25 of 615

Western Chassis Disc Brake Conversion Kits for 1968 CHEVY II, 1969-1974 NOVA - SWBKS6874

Western Chassis Disc Brake Conversion Kits for 1968 CHEVY II, 1969-1974 NOVA - SWBKS6874

Western Chassis Disc Brake Conversion Kits for 1968 CHEVY II, 1969-1974 NOVA - SWBKS6874

Disc Brakes, Front, 11 in. Diameter Rotors, Solid, Vented, 1-Piston Calipers, Chevrolet, Kit

Part Number: WST-SWBKS6874

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Rear Flip Kits 2110

Western Chassis Rear Flip Kits 2110

Western Chassis Rear Flip Kits 2110

Flip Kit, Steel, Black, 6.0 in. Drop, Chevy, GMC, Kit

Part Number: WST-2110

3.25 out of 5 stars ( 16 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Rear Flip Kits for 1988-1998 C1500 - 2106

Western Chassis Rear Flip Kits for 1988-1998 C1500 - 2106

Western Chassis Rear Flip Kits for 1988-1998 C1500 - 2106

Flip Kit, Rear Axle Flip, Steel, Gray Powdercoated, 6 in. Drop, Chevy, GMC, Kit

Part Number: WST-2106

3.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Coil Springs 631015

Western Chassis Lowering Coil Springs 631015

Western Chassis Lowering Coil Springs 631015

Coil Springs, Lowering, Front, 1.0 in. Drop, Black Powdercoated, Chevy, GMC, Pair

Part Number: WST-631015

4.3 out of 5 stars ( 20 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Coil Springs 631025

Western Chassis Lowering Coil Springs 631025

Western Chassis Lowering Coil Springs 631025

Coil Springs, Lowering, Front, 2 in. Drop, Black Powdercoated, Chevy, GMC, Pair

Part Number: WST-631025

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Rear Flip Kits 2104

Western Chassis Rear Flip Kits 2104

Western Chassis Rear Flip Kits 2104

Flip Kit, Steel, Black, Chevy, GMC, 5.0 in. Drop, Kit

Part Number: WST-2104

4.69 out of 5 stars ( 29 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Deluxe Lowering Kits CSSK6572-46D

Western Chassis Deluxe Lowering Kits CSSK6572-46D

Western Chassis Deluxe Lowering Kits CSSK6572-46D

Suspension Package, Deluxe, Lowering, 4 in. Front, 6 in. Rear, Chevy, GMC, Kit

Part Number: WST-CSSK6572-46D

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Coil Springs 631030

Western Chassis Lowering Coil Springs 631030

Western Chassis Lowering Coil Springs 631030

Coil Springs, Lowering, Front, 3.0 to 3.5 in. Drop, Black Powdercoated, Chevy, GMC, Pair

Part Number: WST-631030

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Rear Flip Kits for 1997-2003 F-150, 2004 F-150 HERITAGE - 2119

Western Chassis Rear Flip Kits for 1997-2003 F-150, 2004 F-150 HERITAGE - 2119

Western Chassis Rear Flip Kits for 1997-2003 F-150, 2004 F-150 HERITAGE - 2119

Flip Kit, Steel, Black, 5.0 in. Drop, Ford, Kit

Part Number: WST-2119

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Coil Springs 631040

Western Chassis Lowering Coil Springs 631040

Western Chassis Lowering Coil Springs 631040

Coil Springs, Lowering, Front, 4.0 in. Drop, Black Powdercoated, 2-Door, RWD, Chevy, GMC, Pair

Part Number: WST-631040

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Coil Springs for 1961-1972 C10 PICKUP, 1967-1972 C15/C1500 PICKUP - 601006

Western Chassis Lowering Coil Springs for 1961-1972 C10 PICKUP, 1967-1972 C15/C1500 PICKUP - 601006

Western Chassis Lowering Coil Springs for 1961-1972 C10 PICKUP, 1967-1972 C15/C1500 PICKUP - 601006

Coil Springs, Lowering, Rear, 6.0 in. Drop, Black Powdercoated, Chevy, GMC, Pair

Part Number: WST-601006

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Rear Shackle Kits 2001

Western Chassis Rear Shackle Kits 2001

Western Chassis Rear Shackle Kits 2001

Rear Shackles, 2.0 in. Drop, Chevy, GMC, 3.0 in. Spring, Kit

Part Number: WST-2001

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Shock Extender Kits 2074

Western Chassis Shock Extender Kits 2074

Western Chassis Shock Extender Kits 2074

Shock Extensions, 2 in. Length, Steel, Black Powdercoated, Hardware, Chevy, GMC, Pair

Part Number: WST-2074

3.84 out of 5 stars ( 19 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Spring Hanger Kits 2012

Western Chassis Spring Hanger Kits 2012

Western Chassis Spring Hanger Kits 2012

Leaf Spring Hangers, Lowered, 2.0 in. Drop, 0.25 in. HD Steel, Powdercoated, w/Grade 8 Hware, for 2.5 in. Wide Leaf Springs, Chevy, GMC, Sold as a Kit

Part Number: WST-2012

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Spindles 13100

Western Chassis Lowering Spindles 13100

Western Chassis Lowering Spindles 13100

Spindles, Lowering, 2.5 in. Drop, Ductile Iron, Natural Finish, Chevy, GMC, Truck, SUV, Pair

Part Number: WST-13100

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Spindles 11312

Western Chassis Lowering Spindles 11312

Western Chassis Lowering Spindles 11312

Spindles, Lowering, 2 in. Drop, Ductile Iron, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: WST-11312

3.17 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Billet Carrier Bearings BCB-6372

Western Chassis Billet Carrier Bearings BCB-6372

Western Chassis Billet Carrier Bearings BCB-6372

Billet Carrier Bearing, Chevy, GMC, Each

Part Number: WST-BCB-6372

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Pinion Angle Shim Kits 2054

Western Chassis Pinion Angle Shim Kits 2054

Western Chassis Pinion Angle Shim Kits 2054

Pinion Angle Shim Kit, Aluminum, 4 degrees, 2.00 in. Width, Kit

Part Number: WST-2054

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Front Torsion Keys 5001

Western Chassis Lowering Front Torsion Keys 5001

Western Chassis Lowering Front Torsion Keys 5001

Suspension Lowering Kit, Torsion Keys, Front, Chevy, GMC, Pair

Part Number: WST-5001

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Shock Stud Frame Mounts 56000

Western Chassis Shock Stud Frame Mounts 56000

Western Chassis Shock Stud Frame Mounts 56000

Shock Mounting Studs, Rear, Steel, Natural, Each

Part Number: WST-56000

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis DS2 Drop Shocks 55811

Western Chassis DS2 Drop Shocks 55811

Western Chassis DS2 Drop Shocks 55811

Shock, DS2, TwinTube, Rear, Chevy, GMC, Each

Part Number: WST-55811

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Hydro-Boost Firewall Mounting Plates HBBK-0000

Western Chassis Hydro-Boost Firewall Mounting Plates HBBK-0000

Western Chassis Hydro-Boost Firewall Mounting Plates HBBK-0000

Brake Booster Mounting Brackets, Hyrdo-Boost, Firewall Mounting Plate, Steel, Black, 3.375 in. Long x 3.375 in. Wide, Mounting Hardware included, Each

Part Number: WST-HBBK-0000

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Lowering Leaf Springs 731014

Western Chassis Lowering Leaf Springs 731014

Western Chassis Lowering Leaf Springs 731014

Lowering Leaf Springs, Rear, Black, Rubber Bushings, 3 Leaf Assembly, 52 in. Eye To Eye, Chevy, GMC, RWD, Pair

Part Number: WST-731014

4.14 out of 5 stars ( 7 )

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Western Chassis Rear Flip Kits for 2007-2013 SIERRA 1500, SILVERADO 1500 - 2141

Western Chassis Rear Flip Kits for 2007-2013 SIERRA 1500, SILVERADO 1500 - 2141

Western Chassis Rear Flip Kits for 2007-2013 SIERRA 1500, SILVERADO 1500 - 2141

Flip Kit, Steel, Black, Chevy, GMC, Kit

Part Number: WST-2141

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

Western Chassis Axle U-Bolts 2065

Western Chassis Axle U-Bolts 2065

Western Chassis Axle U-Bolts 2065

U-Bolt, Axle, Lowered, Round, Steel, 0.750 in. Diameter, 10.000 in. Length, 3.500 in. Width, Washer, Nut, Each

Part Number: WST-2065

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

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Estimated Ship Date: Monday 12/29/2025

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