1973 Chassis & Suspension

Borgeson Universal Street and Performance Series Steering Boxes

Borgeson's Street and Performance Series steering boxes are modern quick ratio units specially designed to replace the Saginaw/Delphi 800 Series in 1965 and up GM vehicles and 1968-86 Chevy C10 and K10 trucks. These Street and Performance power steering boxes will bolt directly to the stock location and fit to the original power steering pitman arms. Adapters are included with each steering box to be able to use either O-ring or flare style hose connections. All Borgeson power steering boxes are assembled and quality tested in-house to ensure you get the best possible replacement for your vehicle. Note: Vehicles switching from manual steering will require a power steering pitman arm (not included).

4.72 out of 5 stars ( 246 )

$467.78

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$504.00

Summit Racing™ Complete Drum-to-Disc Brake Conversion Kits

Our Summit Racing™ complete front drum-to-disc brake conversion kits take the guesswork and high price tag out of building a braking system. The kits are available in standard and ultra versions (ultra versions include cross-drilled, slotted rotors and braided brake lines). Order the model recommended for your vehicle. Summit Racing™ complete brake conversion kits include: * Power brake booster * Master cylinder * Proportioning valve kit (where applicable) * Rotors * Calipers * Backing plates (where applicable) * Spindles or brackets to convert existing spindles (depending on application) * Brake hoses and banjo bolts (where applicable) * Bearings * Seals * Dust caps * Spindle nuts and washers * Installation hardware

4.29 out of 5 stars ( 41 )

$877.95

Summit Racing™ Rear Leaf Springs

Saggy, old springs can ruin your ride. Restore factory-fresh handling with stock-height rear leaf springs from Summit Racing™. They will fit and perform just like the originals, making the install easier and your ride quality like-new. Select the rear leaf springs designed for your vehicle.

3.95 out of 5 stars ( 60 )

$134.99

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$164.99

Lares New Power Steering Pumps

Lares new (not remanufactured) power steering pumps are engineered to OE specifications to ensure proper fit, form, and function. They're manufactured from the same high-quality materials as your original components to provide long-lasting performance. Over a hundred models are available, with or without an included reservoir, for vehicle and engine applications from 1960 and up. Order the replacement pump recommended for your ride.

3.97 out of 5 stars ( 164 )

$122.99

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$205.99

Energy Suspension Motor Mounts/Motor Mount Inserts

Energy Suspension motor mounts and motor mount inserts are available in more than a hundred configurations for countless applications. Depending on your selection, these bolt-in "foundations" include steel brackets with a protective finish, and polyurethane bushings for durability and vibration-resistance. The mounts and inserts deliver smooth running performance for the street and plenty of strength for the track. Order the model recommended for your vehicle and engine specs.

4.43 out of 5 stars ( 320 )

$37.64

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$321.87

QA1 Pro Coilover Systems

QA1 Pro coilover systems are engineered from the ground up to offer unmatched performance over stock suspension setups. Pro coilover systems utilize adjustable and non-adjustable coilover shocks and springs designed specifically for replacing the factory shocks and springs. This combination offers ride height adjustment and variable position valving adjustment (where applicable) for performance not found in other kits. Choose QA1 Pro coilover systems for your next suspension upgrade.

4.81 out of 5 stars ( 354 )

$749.95

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$1,079.95

QA1 GM 2.0 Street Control Arms

QA1 GM 2.0 Street control arms provide increased positive caster compared to OE arms and are among the lightest available. These arms feature a lower unsprung weight and improved performance without sacrificing durability. Each arm includes a QA1 integrated ball joint design which is stronger than OEM and rebuildable for tunability, providing long-term reliable service. These arms are designed with billet cross shafts for reduced weight and durability for the long haul. Double-sheer lower mounts are coil-over ready for a clean installation. QA1 GM 2.0 Street control arms look incredible and use no unsightly additional adapters! Form meets function with these newly designed arms that look and perform great without requiring painstaking restoring like factory stamped steel control arms.

4.74 out of 5 stars ( 27 )

$635.95

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$854.95

QA1 GM Street Control Arms

QA1's Street control arms use a factory replacement ball joint and polyurethane pivot bushings. These work great on vehicles used primarily for cruising and long distance events. Configured for QA1 Pro Coil Systems, these street control arms feature powdercoated tubular construction for increased strength and great looks. A bolt-in spring adapter is available separately to allow the control arms to be used with stock springs. All the upper arms feature an offset cross shaft letting you quickly and easily adjust camber.

4.69 out of 5 stars ( 13 )

$834.95

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$1,109.95

Detroit Speed Power Steering Boxes

Detroit Speed power steering boxes are designed to provide you with rack and pinion performance. They feature quality, durable cast iron construction and bolt in the factory location without making any modifications to the frame or body.

4.75 out of 5 stars ( 8 )

$554.95

Wilwood C10 ProSpindle Kits

Wilwood C10 ProSpindles are designed for custom and competition applications using Wilwood disc brake kits. The ProSpindle kits contain a pair of modular spindles, steering arms, and hub assemblies designed to provide increased strength and braking capacity, along with minimized weight, while incorporating a 2.50 in. lowered stance without affecting steering geometry. Wilwood C10 ProSpindles are constructed from a proprietary grade of forged aluminum. The integrated modular bearing hub assemblies support 5 in. x 4.75 in. and 5 in. x 5 in. bolt patterns, and the ProSpindles provide direct mounting of radial caliper brackets, creating a strong, zero flex platform for brake mounting. Select the kit designed for your vehicle.

4.92 out of 5 stars ( 12 )

$768.94

Summit Racing™ Adjustable LS Conversion Engine Mounts

Summit Racing™ adjustable LS conversion engine mounts make your swap easier. They are made from strong steel, powdercoated for added durability, and simple to install to your OEM-style 3-bolt engine mount. Do your LS conversion with our Summit Racing™ adjustable engine mounts.

3.92 out of 5 stars ( 26 )

$166.99

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

Classic Performance Sway Bar Kits

Get great handling for your ride with Classic Performance rear sway bar kits. They help to reduce body roll and control oversteer and understeer in corners. These kits come complete with a sway bar, poly bushings, mounting brackets, and all necessary hardware.

4.63 out of 5 stars ( 226 )

$188.99

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$318.99

Lares New Steering Gears

Lares new steering gears are manufactured from the same high-quality materials as your original components to provide long-lasting performance. These new steering gear units (not remanufactured) are engineered to OE specifications to ensure proper fit, form, and function, and each new unit is then inspected, adjusted accordingly and filled with a high-quality grease, so they arrive to you ready for installation. Simply verify fitment, and order your new Lares steering gear that's designed to fit your application.

4.2 out of 5 stars ( 138 )

$183.99

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$524.99

Energy Suspension Transmission Mounts

Two parts of your vehicle that need to be securely mounted are the engine and transmission—never skimp on those areas. Energy Suspension offers dozens of transmission mounts covering thousands of applications. They include steel brackets with a protective zinc plated finish, and polyurethane bushings that are durable enough to handle more horsepower—and soft enough to absorb vibrations. Stock mounts from the factory often include rubber components which succumb to the torque or high performance and racing use. Select the replacement mounts recommended for your vehicle, engine, and automatic or manual transmission.

4.72 out of 5 stars ( 366 )

$25.95

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$105.24

Air Lift WirelessAir 2nd Generation On-Board Air Compressor EZ Mount Systems

Air Lift WirelessAir 2nd generation on-board air compressor EZ mount systems give you everything you need for the fastest, easiest installation possible. EZ Mount systems package the manifold and upgraded, heavy-duty compressor into one convenient, pre-assembled and factory-tested bracket—giving you everything you need to have full control of your air springs in no time at all. Control the air like a boss with your Air Lift WirelessAir 2nd generation EZ mount kit. Features and items: * Inflate and deflate each air spring independently to different pressures * LCD-display wireless controller * One-touch control from inside or outside vehicle is perfect for uneven/top-heavy loads * Two user-defined memory buttons * Compact, dual-path design * Bluetooth-enabled manifold allows for over-the-air software updates * All wiring, hardware, and fittings required for installation

4.38 out of 5 stars ( 8 )

$671.03

QA1 1963-87 C10 Front Coilover Conversion Systems

QA1 1963-87 C10 front coilover conversion systems are a great upgrade to your C10 front suspension. Each kit comes with QA1's proven single or double adjustable coilover shocks—so you can change the valving to meet your specific needs—along with a variety of spring rate options. These shocks allow for ride height adjustability and are 100 percent dyno-tested and serialized. The QA1 C10 upper and lower control arms are manufactured from 12-gauge HSLA steel tubing for increased strength and are powdercoated for long-lasting durability; they're topped off with performance ball joints and low-friction, maintenance-free bushings. These kits will add up to 7 degrees of caster for more stability, and allow for optimum camber adjustment in a lowered truck. For those on a budget, QA1 also offers kits without the upper control arm—which will add 3-4 degrees of caster, while still providing ride height adjustability with coilover shocks. Order the model designed for your vehicle application.

4.86 out of 5 stars ( 28 )

$2,015.95

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$2,728.95

Borgeson Universal Self-Contained Saginaw GM Power Steering Pumps

Borgeson universal self-contained Saginaw GM power steering pumps offer you options. These new pumps are built with all new components; assembled and tested in the USA. Available in chrome or black finishes and includes pulley.

4.18 out of 5 stars ( 95 )

$165.05

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$237.04

Van Steel Complete Trailing Arm Assemblies

Van Steel complete trailing arm assemblies are available with factory-style T-arms (no sway bar holes) or offset T-arms with spherical bearings. Additional contents include these new components: * Rotors * Spindles * Caliper mounting brackets * Bearing supports * Backing plates * Stainless steel parking brake hardware * Parking brake shoes * Bearings, seals, and races

4.0 out of 5 stars ( 3 )

$2,229.99

Summit Racing™ Rear Lowering Leaf Springs

Summit Racing™ offers rear lowering leaf springs for a wide range of vehicles, from the 1960s and up. These suspension enhancements can give your car, truck, or SUV a more aggressive stance with improved ride quality. The leaf springs are available for a variety of lowered heights; order the model recommended for your application.

4.15 out of 5 stars ( 39 )

$124.99

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$169.99

QA1 Sway Bars

QA1 sway bars afford improved handling and control by reducing body roll. They're manufactured from lightweight 4130 chromoly steel and 1045 cold-formed steel—with a gloss black powdercoat finish for maximum strength, endurance, and corrosion resistance. The QA1 sway bars are precision CNC-formed, ensuring proper mounting in the stock location for a true bolt-on installation. They also feature adjustable end links to customize roll stiffness to your personal specifications. These sway bars from QA1 include greaseable graphite polyurethane bushings, along with high-quality zinc plated hardware. Engineered and road-tested to give your ride the grip that it needs to hold the road, QA1 sway bars are available for fitment on many vehicle applications. Order them individually for the front or rear—or in a complete kit.

4.57 out of 5 stars ( 142 )

$262.95

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$916.95

Energy Suspension Motor and Transmission Mount Kits

Energy Suspension offers motor and transmission mount kits for hundreds of vehicle, engine, and drivetrain applications. These replacements are the best of both worlds—smooth running for the street, and strong enough for the track. They're torque- and vibration-resistant, yet comparable in strength to solid metal mounts. The steel brackets are available in zinc and chrome finishes; while the polyurethane bushings deliver far more durability than stock rubber bushing which crack and deteriorate under the intense heat. Better mounts equal better performance. Order the kit recommended for your ride.

4.62 out of 5 stars ( 219 )

$55.31

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$295.54

Scott Drake Performance Rear Leaf Springs

Scott Drake manufactures these premium leaf springs using high-quality steel to ensure a smooth, stable ride for years to come. Scott Drake offers a large selection of performance leaf springs in both 4 1/2 and 5-leaf versions to suit any driver, on or off the track. For performance rear leaf springs that won't break the bank, rely on Scott Drake.

4.69 out of 5 stars ( 61 )

$159.95

Summit Racing™ Disc Brake Spindles

Do you need service parts for your brakes? Whether your ride is stock or going lower, you can trust Summit Racing™ disc brake spindles. These one-piece steel disc brake spindles are great replacements for worn pieces. Summit Racing™ spindles make it easy to retrofit cars already equipped with OEM single-piston disc brakes or aftermarket kits that bolt to the stock disc brake spindles. Steering geometry remains unchanged, since they are direct bolt-ons to stock steering arms. For quality braking parts at a price that you can afford, choose Summit Racing™.

4.65 out of 5 stars ( 37 )

$169.99

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$264.99