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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On Sale

Hooker Blackheart Engine Swap Motor Mount Kits

Add more cubic inches and power to your vehicle with the help of Hooker Blackheart engine swap mount kits. The kits are available for most popular models of cars and trucks with a variety of popular engine sizes. They include all of the components you'll need, at a cost that won't break your budget.

4.27 out of 5 stars ( 71 )

$369.95

$90.15

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$337.95

On Sale

Summit Racing™ Heavy-Duty LS Truck Motor Mount Kits

Summit Racing™ heavy-duty LS truck motor mount kits are a bolt-in upgrade to replace factory fluid filled mounts on select 2007-14 GMC and Chevrolet truck models. These mounts are constructed from powdercoated heavy-gauge steel and have a urethane insulator to limit engine vibration. The bolt together design can withstand all the abuse you can throw at your truck. Eliminate and replace weak factory motor mounts that are prone to breaking with Summit Racing™ heavy-duty LS truck motor mount kits.

3.88 out of 5 stars ( 16 )

$359.99

$323.99

Doug's Headers Engine Swap Transmission Crossmembers

Doug's Headers offers engine swap transmission crossmembers for a variety of classic Chevrolet and GMC applications. They are CAD-CAM designed, welded steel with a durable black powdercoat finish for proper fit, strength, and appearance. Ideal for 2WD trucks with GM LS and LT engines, one part number fits with ALL popular late-model manual and automatic transmission swaps. The crossmembers come complete with necessary hardware and detailed instructions. Notes: * Designed to clear up to 3 in. exhaust systems with no loss of ground clearance * Designed for use with Doug's Headers line of LS engine swap products

4.57 out of 5 stars ( 7 )

$279.00

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$335.25

Sikky Manufacturing Rack and Pinion Bushing Kits

Sikky Manufacturing rack and pinion bushing kits are available for a variety of applications, including many Toyota, Subaru, Lexus, and Scion cars from 1983 and up. They're high performance, CNC-machined 6061 billet aluminum replacements designed to swap out soft OEM rubber bushings. These kits eliminate steering slop, improve response, and some models feature offset designs to provide extra clearance for engine swaps or aftermarket headers. Additional details: * Made from CAD/CAM designed 6061 aluminum for maximum durability and rigidity * Improved steering feel: Replaces flexible rubber with solid mounts, resulting in a tight, crisp, and responsive steering feel * Many kits feature offset holes, allowing the rack to be moved/rotated to clear headers or optimize steering geometry * Ease of installation: Often designed to be pressed in, sometimes without needing to disconnect the steering column, saving on alignment calibration * These kits are ideal for track-focused cars, drift builds, or simply replacing worn-out factory rubber to improve daily driving—ensuring the steering rack remains securely in place during high-performance driving

Not Yet Reviewed

$53.19

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$85.49

On Sale

Hooker LS Engine Swap Transmission Crossmembers

Hooker LS engine swap transmission crossmembers are built to mount the transmission in place when switching to an LS engine. They are designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety, and appearance. The crossmembers are manufactured from high-strength, low-alloy steel and then black powdercoated for maximum durability. They provide an engineered 3 to 3.5 degree engine/transmission inclination angle that is critical to obtaining suitable U-joint working angles. They are designed to be used in conjunction with Hooker LS engine swap brackets to provide a bolt-in installation of Hooker LS swap manifolds, headers, and exhaust systems for this application.

4.53 out of 5 stars ( 43 )

$399.95

$225.45

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$460.95

QA1 1963-72 C10 Coilover Conversion Systems

Upgrade your classic truck to a modern driving feel and performance with QA1's 1963-1972 C10 coilover conversion systems. The kits come with everything you need to convert your C10's front end to coilovers and a tubular crossmember with rack-and-pinion steering. These systems are a great way to overhaul your suspension in one go, giving you adjustable ride height to achieve the perfect stance with up to 8 in. of drop—all while dialing in the ideal ride quality and performance for your application while reducing weight 140 lbs. over stock. Order the QA1 1963-72 C10 coilover conversion system recommended for your year/make and model vehicle. Product features and details: * Powered rack-and-pinion offers quicker steering and a tighter feel. Plus, increase steering angle when fitting larger wheels and tires, and improve geometry for enhanced drivability * Increased Ground Clearance: The crossmember and control arms make your undercab rails the truck's lowest point—new upper shock mounts increase travel for a great ride and performance, even at low ride heights * Adjustable Shock Valving: Double-adjustable shocks offer independent rebound and compression tunability—great for trucks that will see track time or drivers who really want to dial in ride quality on the street * Easy, Bolt-In Installation: The crossmember comes powder coated and ready to install—no need to cut or weld your frame—it easily locates the steering rack, and you can choose mounts (sold separately) for common engines * Modular Engine Mounts: Choose from modular engine mounts (sold separately) that allow you to reuse your existing transmission mount and driveshaft (kits are available for small block Chevy, big block Chevy and LS applications—DIY mounts are also available if you want to customize the location of your engine * Front Sway Bar: The optional front sway bar (sold separately) adds even more cornering capabilities—it reduces body roll and keeps your tires planted to give you more grip in the turns Fitment Notes: * If you already have QA1's coil-over system, you can find retrofit kits to use your existing components * Total drop range depends on wheel/tire fitment * Will require you to trim inner fenders * Engine mounts are year-range specific to maintain OE bellhousing location * Optimized bump steer settings require at least 18 in. wheels -- 18 in. wheels can run up to 6 in. of backspacing -- 20 in. wheels can run up to 7 in. of backspacing * Requires use of C10 spindles * May require different headers and oil pan (Stock SBC and BBC pans fit) * Steering shaft is not included * May require new power steering hoses depending on fittings, pump, and engine placement

5.0 out of 5 stars ( 5 )

$4,450.95

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$5,775.95

On Sale

Hooker Blackheart Engine Mount Inserts

Hooker Blackheart engine mount inserts are for use with Hooker Blackheart Clamshell engine mounts, and have been designed with durability, performance, and ease of installation in mind. They are available in both black and red, and feature factory-style indexing tabs to help with alignment during installation. The Blackheart engine mounts and inserts are sold individually. Features of Hooker Blackheart engine mount inserts include: * Heavy-duty thermoplastic polyurethane overmold for durability in high-horsepower applications * Polyurethane overmold fully encapsulates/interlocks the inner metal core to reduce the risk of part separation * Heavy-duty, zinc plated inner core for durability and corrosion resistance * Polyurethane around through-bolt provides cushion and prevents metal-to-metal contact

4.43 out of 5 stars ( 23 )

$34.59

$31.13

QA1 1973-87 C10 Coilover Conversion Systems

Upgrade your square body Chevy C10's driving feel and performance while getting the perfect stance with QA1's 1973-1987 C10 coilover conversion systems. The kits come with everything you need to convert your C10's front end to coilovers and a tubular crossmember with rack-and-pinion steering. These coilover conversion systems are a great way to overhaul your suspension in one go, giving you adjustable ride height to achieve the perfect stance with up to 8 in. of drop—all while dialing in the ideal ride quality and performance for your application while also reducing weight 140 lbs. over stock. Order the QA1 1973-87 C10 coilover conversion system recommended for your year/make and model vehicle. Product features and details: * Powered rack-and-pinion offers quicker steering and a tighter feel. Plus, increase steering angle when fitting larger wheels and tires, and improve geometry for enhanced drivability * Increased Ground Clearance: The crossmember and control arms make your undercab rails the truck's lowest point—new upper shock mounts increase travel for a great ride and performance, even at low ride heights * Single or double-adjustable shock valving offers independent rebound and compression tunability—great for trucks that will see track time or drivers who really want to dial in ride quality on the street * Easy, Bolt-In Installation: The crossmember comes powder coated and ready to install—no need to cut or weld your frame—it easily locates the steering rack, and you can choose mounts (sold separately) for common engines * Modular Engine Mounts: Choose from modular engine mounts (sold separately) that allow you to reuse your existing transmission mount and driveshaft (kits are available for small block Chevy, big block Chevy and LS applications—DIY mounts are also available if you want to customize the location of your engine * Front Sway Bar: The optional front sway bar (sold separately) adds even more cornering capabilities—it reduces body roll and keeps your tires planted to give you more grip in the turns Fitment Notes: * If you already have QA1's coil-over system, you can find retrofit kits to use your existing components * Total drop range depends on wheel/tire fitment * Will require you to trim inner fenders * Engine mounts are year-range specific to maintain OE bellhousing location * Optimized bump steer settings require at least 18 in. wheels -- 18 in. wheels can run up to 6 in. of backspacing -- 20 in. wheels can run up to 7 in. of backspacing * Requires use of 1973-1987 C10 spindles * May require different headers and oil pan (Stock SBC and BBC pans fit) * Steering shaft is not included * May require new power steering hoses depending on fittings, pump, and engine placement

5.0 out of 5 stars ( 1 )

$4,450.95

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$5,775.95

On Sale

Hooker Blackheart Engine Mount Brackets

Hooker Blackheart engine mount brackets are designed to bolt right in for ease of installation, provide excellent ground clearance, and optimize driveline angles, making your swap a good fit. The mounts are fabricated from steel to provide a strong and rigid foundation for your engine.

3.5 out of 5 stars ( 2 )

$134.95

$76.62

Proforged Fast Ratio Pitman and Idler Arm Kits

Proforged fast ratio pitman and idler arm kits are bolt in steering components designed to quicken your stock steering ratio from 16:1 to 12:1. These kits improve your stock steering from 3.5 turns to 2.75 turns lock to lock. This quick ratio was previously found on rare AAR Cudas and T/A Challengers. Each kit is made from forged heat treated housings and ball studs for rugged durability and black e-coated to prevent rust.

4.0 out of 5 stars ( 8 )

$239.95

UniSteer Steering Shaft Kits

UniSteer steering shaft kits have the "drive" for performance. These kits help you complete their rack and pinion or rack-only kit installation. All kits include steel or stainless steel U-joints and shafts plus some may include mounting brackets, support bearings, and hardware. Let UniSteer lead you to driving precision with the strength and reliability of their steering shaft kits. UniSteer stands behind their products with a 2-year, Unlimited Mile Warranty.

3.47 out of 5 stars ( 15 )

$489.99

RideTech Subframes

Ridetech subframes deliver several key improvements over the original and some existing aftermarket subframes. Optimized suspension geometry, improved wheel and tire clearance, and rack and pinion steering technology, plus many more features will surely put Ridetech's subframes on the top of your builder's wish list. Select the kit with the preferred spindles. Features and benefits: * Optimized geometry provides improved roll center, Ackermann, camber gain, caster and bump steer * Lowers stance 1 to 3 in. and maintains factory track width while increasing wheel and tire clearance * 2 in. more tire clearance per side over stock subframe allows better turning radius with larger tires/wheels * Fits up to 6.5 in. BS with no modifications or reduction in turning radius * Rack and pinion steering upgrade provides improved steering feel, enhancing driver feedback * Modular design is compatible with coilovers or Shockwaves (sold separately) * Subframe features durable powdercoat finish for great, long-lasting good looks and corrosion resistance * Available with AFX pin or late model hub spindle design -- Hub spindle allows install of modern C5/C6 Corvette brakes and C5/C6/C7 hubs (hubs not included) -- Pin spindle is compatible with stock style brakes (including aftermarket kits that fit stock spindle) * One-piece billet 6061 T-6 aluminum upper control arms and steering arms add superior strength * Larger front sway bar controls body roll, improving weight transfer * Tubular lower control arms include eccentric adjustment for caster and camber adjustments * Alignment adjustments are made complete under the car --no adjustments inside engine bay * Multiple motor mount options * Included adjustable transmission crossmember compatible with most popular manual and automatic transmissions * Improved header clearance and exhaust routing allow for a variety exhaust solutions

Not Yet Reviewed

$6,495.00

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$6,645.00

Stifflers Suspension Lower Chassis Braces

Stifflers Suspension lower chassis braces dramatically increase the strength and stiffness of the front chassis area. Available for both factory and aftermarket K-members, this additional stiffness minimizes flexing to help maintain correct front suspension geometry while under load. The result is tighter steering response and more predictable handling under cornering and braking. Where applicable, Stifflers' lower chassis braces can be combined with their Spider braces (sold separately) to completely integrate the front and rear chassis sections for unprecedented car control. Features include: * Manufactured from high-strength tubing to maximize stiffness and strength while reducing weight * Design optimized using CAD/CAE software combined with real-world test data * Industrial-grade powdercoated for long life * Select models available that will work with aftermarket long tube headers * Includes hardware and rod ends (where applicable) * Depending on application, welding and drilling may be required

4.0 out of 5 stars ( 3 )

$119.95

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$189.95

BMR Suspension Tunnel Mounted Torque Arms

BMR Suspension tunnel mounted torque arms improve handling, reduce wheel hop, and add strength plus adjustability to your 4th Gen GM F-body. These packages mount the torque arm to the transmission tunnel mount instead of the transmission tail shaft, making them ideal for high-horsepower applications. The tunnel mount design removes the load from the transmission, which can damage the transmission, and puts the heavy loads of high-power cars into the chassis. The torque arm crossmember provides an adjustable mounting plate for the torque arm, while adding strength to the floor by reinforcing the transmission tunnel. Features: * Heavy-duty 1.25 in., 0.120 in. wall DOM steel tubing * Heavy-duty 1/4 in. laser-cut, CNC-formed steel plate * MIG-welded * Five mounting positions for instant center and pinion angle adjustability * Integrated driveshaft safety loop (TA011/TA012) * Increased clearance for long-tube headers/aftermarket exhaust (TA012/TA014) * Mounts to the driveshaft tunnel brace * Uses factory differential mount * CNC-machined, on-car torque arm adjuster for pinion angle * 95-durometer polyurethane front mount * Massive increase in strength over factory torque arm * Available in black hammertone or red powdercoat

4.5 out of 5 stars ( 10 )

$529.95

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$559.95

Trans-Dapt Performance Universal Street Rod-Style Motor Mounts

Trans-Dapt Performance universal street rod-style motor mounts are available for a wide variety of cars and trucks with open frame rails. They install easily—simply bolt the mounts to the engine, measure the distance between the frame rail and the mounts, and then trim the frame mounts to fit. Depending on the model you order, these kits feature a weld-on design, engine mounting brackets, frame mounting brackets, urethane or rubber bushings, and mounting hardware. They're available in a variety of motor mount styles; find the one tailored for fitment on your vehicle.

4.51 out of 5 stars ( 35 )

$164.99

Advance Adapters Engine Swap Motor Mounts

Reduce vibration and extend the life of your engine's components and accessories with Advance Adapters top-quality, proven-design motor mounts. For some of the bases that require welding, a temporary bolt-on solution allows you to drive your vehicle to the welding shop of your choice. Select the Advance Adapters engine swap motor mounts designed for your vehicle application.

4.72 out of 5 stars ( 127 )

$146.76

UniSteer Rack and Pinions

UniSteer rack and pinions are designed to provide precision steering for easier driving. Made from cast aluminum with a variety of finishes available, these replacement racks can be ordered to complement either manual or power-assist configurations. They're offered in fitment applications for a wide range of year, make, and model vehicles. Accessories included will depend upon the model you select. Better steering control begins with UniSteer! UniSteer stands behind their products with a 2-year, Unlimited Mile Warranty.

3.57 out of 5 stars ( 56 )

$1,880.99

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