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OLDSMOBILE Chassis & Suspension

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Results 1 - 24 of 75

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.

4.02 out of 5 stars ( 49 )

$139.99

Summit Racing™ Frame Brace Kits

Summit Racing™ frame brace kits are designed to easily install and strengthen the factory frame of your classic car or truck. The benefit of stiffening the frame is improved handling and a tight predictable feel. Reinforce your chassis and create a custom pro touring style, corner carving ride with these Summit Racing™ frame brace kits. *Constructed From DOM tubing *Computer Designed, Machined, and Bent *Welding Required for most kits *Adjustable transmission crossmember for Manuals or overdrives included *Generous openings for Dual Exhaust pipe routing *Exhaust hangers provided

4.24 out of 5 stars ( 67 )

$199.99

$979.99

QA1 Level 2 Big Wheel Kits

Build your project exactly how you want with QA1 Level 2 Big Wheel kits! Get the perfect look by easily adjusting your ride height with front and rear coilovers. Raise or lower your car 2 in. the front. Raise it up to 2 in. or lower it by up to 3 in. in the rear. QA1 Level 2 Big Wheel kits allow you to dial-in the exact style you want in minutes with the included spanner wrench. These complete bolt-on suspension kits are designed to fit up to 28 in. wheels on your vehicle and include everything needed to get your Box sitting right, while giving you a better ride and improved handling. Product features and benefits: * Double-adjustable coilovers give you the ability to individually tune your shock compression and rebound to get the perfect ride and get more grip off the line for drag racing * Adjustable upper and lower trailing arms allow your wheel and tire package to fit with adjustable trailing arms that center your rear axle in the wheel well to gain more clearance for up to 28 in. wheels * Tubular control arms are much lighter and stronger than stock and will upgrade front-end geometry for better drivability—and are designed specifically for big wheel cars with corrected suspension angles for large wheels and tires * Tubular sway bars help reduce body roll and improve stability with front and rear sway bars to reduce handling issues that come from big wheels and raised ride heights * Easy, bolt-in installation * Parts come powdercoated and ready-to-install with all necessary hardware to allow you to bolt up the kit right in your garage or work with your local shop * Works with original factory rear axle housings or Quick Performance 9 in. rear axle housings

5.0 out of 5 stars ( 2 )

$5,364.95

$5,371.95

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.

4.58 out of 5 stars ( 137 )

$278.95

$623.95

Hotchkis Sport Suspension Lowering Leaf Spring Packages

Are you looking for those hard-to-find leaf springs to finish that intimidating stance on your vehicle? Well, look no further--these Hotchkis Sport Suspension lowering leaf spring kits will not only give you the look of an aggressive drop, but they'll also help you plant and go. These leafs are the perfect additions for G machines or, if you just want a better ride, they work better than stock.

4.48 out of 5 stars ( 63 )

$699.99

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.

4.3 out of 5 stars ( 33 )

$124.99

Summit Racing™ Dual-Exhaust Transmission Crossmembers

Summit Racing™ steel transmission crossmembers allow you to run a true dual-exhaust system with most popular GM transmissions. They have a patented double-hump design, so you don't have to compromise ground clearance by running pipes under the crossmember, and they're a complete bolt-on deal—no custom fabricating or realignment is needed. The parts are made from 1/8 in. thick boxed tubing to handle the frame-twisting power of big blocks. Order the crossmember recommended for your vehicle and transmission application.

4.68 out of 5 stars ( 584 )

$275.99

$349.99

UMI Performance Front and Rear Sway Bar Kits

UMI Performance sway bars are designed to reduce body roll and understeer and increase cornering capabilities, resulting in a more balanced suspension. The front sway bar is more rigid than the factory model and comes complete with new polyurethane end links and greaseable sway bar bushings. The rear sway bar is supplied with new Grade 8 mounting hardware and locknuts. UMI Performance sway bars are manufactured from 4140 chromoly steel—and formed as one piece to ensure maximum strength and performance. Each rear sway bar is heat-treated and heat-formed to maintain longer memory than a cold bent bar, while the front sway bar is CNC-bent for a precise and accurate fit every time. Order the kit recommended for your vehicle.

4.61 out of 5 stars ( 70 )

$396.47

$419.99

UMI Performance Front Sway Bars

UMI Performance front sway bars are designed to reduce body roll and under-steer and increase corning capabilities, resulting in a more balanced suspension. These front sway bars are more rigid than the factory originals and will bolt directly in place with no modifications. Each kit includes new Energy Suspension end links and greaseable sway bar bushings with new zinc plated clamshells. Nearly two dozen models are available for vehicles from 1963 and up; order the sway bar recommended for your application.

4.69 out of 5 stars ( 97 )

$259.99

$299.99

BMR Level 2 Suspension Handling Packages

BMR Level 2 suspension handling packages are matched and developed to handle the twists and turns of your favorite road. Installation of these American-made components takes only a few hours of your time with basic hand tools. You can install superior handling on your ride today with BMR Level 2 Suspension handling packages. These BMR Level 2 handling packages include: * Lowering springs * Front and rear sway bars * Bilstein shocks * Upper and lower A-arms * Rear upper and lower control arms * Control arm mount braces

3.63 out of 5 stars ( 8 )

$2,349.00

UMI Performance Stage 2 Handling Kits

UMI Performance Stage 2 handling kits will make any classic cruiser feel like a modern day muscle car! They are designed to bring you superior ride quality and improved handling, while giving you the lowered, aggressive stance you're looking for. These kits include everything you need to rebuild the suspension on your classic ride, such as upper and lower front A-arms, heavy-duty UMI sway bars with new end links, greaseable bushings, Bilstein HD shocks, UMI lowering springs, rear tubular upper and lower control arms, replacement rear end housing bushings, and heavy-duty tubular frame braces. UMI Performance Stage 2 handling kits are made of superior-quality materials to ensure long-lasting durability and performance. These UMI Performance Stage 2 handling kits are perfect for the weekend warrior looking to go for a back road cruise, perhaps hit the drag strip, or even an Auto-x.

4.75 out of 5 stars ( 4 )

$3,059.99

OER Rear Leaf Springs

OER rear leaf springs are quality reproductions of the original designed to exact specifications to ensure the correct fit, form, and function. These leaf springs are available in applications to fit different make and model vehicles.

3.88 out of 5 stars ( 52 )

$459.99

Calvert Racing Split Mono-Leaf Springs

Engineered for drag racing, Calvert Racing split mono-leaf springs have a higher spring rate and a stiffer ride than stock springs. Tested on the fastest stock suspension cars in the world, they are designed to control and reduce excessive body separation in rear suspension and plant the rear tires without unloading. The parabolic rear-half design distributes the main spring pressure point through the length of the half, reducing spring breakage. Calvert Racing split mono-leaf springs are assembled to order with Grade 8 hardware, heavy-duty alignment clamps, front aluminum bushings, and rear polyurethane bushings. They are stress-relieved and arch verified, available in several ride height options, and have been proven to withstand over 2,500 hp at 1/4 mile ETs in the 6s. Choose the springs designed for your vehicle.

4.65 out of 5 stars ( 46 )

$460.00

Speedtech Performance USA Frame Brace Kits

Speedtech Performance USA frame brace kits prevent the sloppy, unpredictable feel of a weak body frame. You can increase rigidity by linking these braces to the strong structural undersides of your chassis. The braces are constructed from 1.5 in. DOM steel tubing that's computer designed, machined, and CNC-bent for consistent fitment. Speedtech Performance brace kits offer the reinforcement your race chassis demands.

3.2 out of 5 stars ( 10 )

$899.00

QA1 Level 1 Big Wheel Kits

QA1 Level 1 Big Wheel kits contain everything to give your GM B-body or G-body the ideal stance, plus improved ride quality. Each kit will include front and rear single adjustable Pro Coil system coilovers and an aluminum spanner wrench to dial in the exact style you want. The single adjustable valving allows you to firm up or soften the ride with the simple twist of a knob. QA1 Level 1 Big Wheel kits also include adjustable upper and lower trailing arms that center your rear axle in the wheel well, granting more clearance for larger wheels. Additionally, tie rod adjuster sleeves and a thrust bearing kit complete the kits. The components are powdercoated and ready to install with the necessary hardware, making your installation hassle-free. Choose the kit designed for your vehicle.

5.0 out of 5 stars ( 1 )

$2,560.95

$2,884.95

Detroit Speed Leaf Springs

Detroit Speed leaf springs are made of high-quality materials to ensure long-lasting durability and performance. They're available in multiple heights and include bushings. Detroit Speed leaf springs are designed to give your ride an aggressive, show-car quality look. If you're looking to give your car a new appearance, Detroit Speed has your answer.

5.0 out of 5 stars ( 8 )

$479.95

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.

4.62 out of 5 stars ( 42 )

$359.95

$375.95

Hotchkis Sport Suspension Anti-Sway Bar Kits

Improve the handling of your car, truck or SUV by reducing body roll with Hotchkis Sport Suspension anti-sway bars; key components of a successful street or track driving experience. Constructed from lighter weight hollow tubing, as compared to industry standard solid tube, they are CNC-bent for a precise fit with multiple adjustment holes; include greaseable polyurethane bushings, and all necessary hardware. Most kits include upgraded end-links and sway bar brackets. Hotchkis bars are extensively tested on the street and track for excellent handling improvement and comfortable ride quality. They are powdercoated in a durable gloss black finish.

4.69 out of 5 stars ( 180 )

$311.10

$749.99

Aldan American Road Comp Coilover Kits

Aldan American Road Comp coilover kits are hand-built in the USA to replace your factory shocks and springs with drastically improved handling and ride quality. These kits are designed for specific vehicle applications and offer shock bodies crafted from lightweight, high-strength, CNC-machined 6061 T-6 billet aluminum. They're matched with high-tensile chrome silicon steel coil springs for strong, consistent performance. A black powdercoat provides added durability and a pleasing appearance. The coilover shocks ship fully assembled and are factory serviceable by Aldan American. You can order a pair for either the front or rear suspension, or a complete set for the entire vehicle.

4.27 out of 5 stars ( 41 )

$1,667.95

$1,765.95

UMI Performance Bolt-In Viking Rear Coilover Kits

UMI Performance bolt-in Viking rear coilover kits allow full ride height, spring rate, and damping adjustability. The double shear upper mount is a direct bolt-in and holds a true 2.5 in. diameter coilover spring. The FEA designed lower bracket bolts in using the standard shock mounting hole as well as an additional reinforcement hole. Drilling one 3/8 in. hole per side is required to complete installation. The coilover kits utilize Viking shocks that are 19-way adjustable in both compression and rebound to ensure the perfect setting for every application. Viking shocks are fully rebuildable. The 2.5 in. diameter coilover springs are available in 14 in. long, 110 lb. spring rate for drag use; 14 in. long, 125 lb. spring rate for street use; and 12 in. long, 150 lb. spring rate for autocross and road race applications. The coilover kits have been tested with 1.5 in. diameter UMI trailing arms, as well as UMI's 22mm sway bar and 32mm drag anti-roll bar. Fitment with other brand sway bars and larger diameter control arms is not guaranteed. Please contact UMI for additional information regarding fitment. Key features: * Brackets manufactured entirely from 3/16 in. mild steel * Laser-cut brackets for consistency and a precise fit * TIG-welded for superior strength and clean looks * Powdercoated brackets for a long lasting finish * Viking double-adjustable shocks offer 19 compression and 19 rebound adjustments * 3 spring rate options, depending upon application * Bolt-in design * No welding required * Spacers included for use with control arm relocation brackets

4.56 out of 5 stars ( 9 )

$1,805.99

UMI Performance Complete Front End Kit

UMI Performance complete front-end kits offer improved handling and great value. These non-adjustable upper and lower A-arm kits not only save you dollars, but weight on your front-end, while adding strength, better ride quality, and reduced bushing deflection. Built from strong DOM tubing, the fully assembled and ready-to-install A-arms have CNC-machined upper and lower ball joint holders and 4140 chromoly cross shafts. UMI upper A-arms feature greaseable Delrin® bushings, and the lower A-arms are supplied with new lower ball joints installed, polyurethane bushings, and sway bar mounting provisions. These UMI kits are designed to work with factory springs and lowering springs mounted in the factory location. The A-arms are given a durable and brilliant powdercoat finish. Order the complete front-end kit designed to fit your vehicle.

4.85 out of 5 stars ( 39 )

$1,399.99

UMI Performance Stage 2.5 Handling Kits

UMI Performance Stage 2.5 handling kits bring you the best of both worlds—combining UMI's Stage 2 handling kit with four-corner Viking coilover ride height adjustability. These Stage 2.5 handling kits feature UMI's most popular combination of front and rear springs, along with all the necessary components and hardware needed to transform your GM vehicle for improved handling, ride quality, and an impressive stance. Ride height is adjustable from stock to 2 in. below stock ride height, and the Viking shocks feature 19 settings in both compression and rebound. More than a dozen kits are available, with numerous options. Select the model recommended for your vehicle. Stage 2.5 handling kits include: * Tubular lower front A-arms with polyurethane bushings * Upper front A-arms with Delrin© bushings * Viking coilover kit * Heavy-duty front sway bar with new bushings and end-links * Front upper and lower race-quality hardware kit * Solid heat-treated rear sway bar * Tubular rear lower control arms with polyurethane bushings * Tubular rear upper control arms with polyurethane bushings * Tubular frame braces with hardware * Replacement rear-end housing bushings * Rear control arm race-quality hardware kit * UMI bolt-on rear coilover kit * Thrust bearing kit (x 2) * Spanner wrench kit Note: Rear coilover kit fits GM axle housing only. Aftermarket axle housing fitment is not guaranteed.

Not Yet Reviewed

$4,369.99

$4,649.99

Summit Racing™ Lightweight Transmission Crossmembers

Strengthen your transmission support and reduce the weight of your vehicle with Summit Racing™ lightweight transmission crossmembers. Through advanced design and manufacturing, these crossmembers are stronger than standard boxed-steel transmission crossmembers, while weighing an average of 35-percent less. The crossmembers are a direct bolt-in and do not require any additional brackets or adapters to complete the installation. They also allow you to run a true dual-exhaust system with most popular GM transmissions and do not affect ground clearance. The welded design with clear powdercoat finish gives these lightweight crossmembers a fabricated look that's sure to complement your ride. Order the model recommended fit your application.

4.85 out of 5 stars ( 13 )

$299.99

$329.99

RideTech TruTurn StrongArms Packages

RideTech TruTurn StrongArms packages are upgraded control arm systems that include tubular StrongArms, tall ball joints, Delrin bushings, and tie rods. What can you expect from these systems? Resolved bump steer and camber gain issues. Your tires will lean into the turn, the bump steer is optimized to under 0.065 in. through 5 in. of suspension travel, and you have the clearance to run up to a 275mm tire. These packages are available for hundreds of vehicles; order the kit recommended for your application. Features: * Taller upper ball joints to increase camber gain * Integrates with OEM spindles * Centers the wheels in the wheelwell with increased caster settings * Includes upper and lower StrongArms, outer tie rods, and billet tie rod adjusters

5.0 out of 5 stars ( 2 )

$1,710.00

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