1978 Pontiac Grand Prix Suspension Parts

Featuring a vehicle-specific design, Monroe® Quick-Strut® strut assemblies are fit checked, ride tested and engineered to restore factory ride height and ride performance. Assembled in Paragould, AR, they include all required components in a single unit.

Product Features:

• QUICKER, SAFER, EASIER AND COMPLETE REPAIR — Includes everything you need for strut replacement in a single, fully assembled unit with no need for a spring compressor
• RESTORES RIDE HEIGHT — Precisely calibrated to meet the OE design, each application-specific coil spring type is engineered to restore ride height and support the vehicle’s weight
• VEHICLE-SPECIFIC DESIGN — Application-specific coil spring, mount and strut designs ensure optimized ride and handling experience unique to each vehicle profile
• OE QUALITY — Preassembled upper strut mount, coil spring, and strut feature an OE-style design for seamless fit, form, and function
• MADE TO LAST — Manufactured with high-quality steel, featuring a superior tube and weld design to deliver structural integrity and durability
• MAINTAINS VEHICLE CONTROL — Reduces body sway, vibration and road harshness before it reaches the passenger cabin for improved vehicle handling
• IMPROVES STEERING — Premium upper strut mount helps ensure smooth, “like-new” steering precision and prevents noise, vibration, harshness and memory steer
• RUST RESISTANCE — Protective coating resists rust and corrosion while salt spray testing ensures it’s ready for the elements
• ASSEMBLED IN THE USA — Each Quick-Strut assembly is assembled with pride in Paragould, Arkansas

Designed to provide inflation control of your air helper springs. This kit will be an asset to your vehicle, meeting nearly all of your air supply needs.

Product Features:

• Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
• Provides An Instant Air Source For The Air Helper Springs Or Accessories
• Dual Point Fill (Both Air Springs Fill Independently Of Each Other)

Designed to protect the strut, the Monroe® Strut-Mate® Boot Kit is the perfect replacement for a damaged jounce bumper or boot. Heavy-duty construction and unique design features make it the ideal choice for maximum rod protection and improved strut life.

Product Features:

• REPLACES DAMAGED JOUNCE BUMPER OR BOOT — Avoid premature strut failure by replacing missing or damaged strut components
• PROTECTS PISTON ROD — Protects piston rod finish from rust and corrosion and helps reduce oil leakage
• KEEPS MOISTURE AND DIRT OUT — Self-draining design eliminates retention of moisture and other unwanted debris
• ENHANCES STRUT LIFE — Delivers protection from severe suspension movement to improve strut durability
• PERFECT PAIRING — Ideal match to protect strut rods, replace all worn strut components with quality Monroe struts (sold separately) for a complete four-corner ride control upgrade
• EASY TO INSTALL — Direct fit OE replacement with firm friction connection that helps keep the boot in place
• BUILT TO LAST — Soft-entry jounce bumper made of closed cell, micro-cellular urethane for maximum durability and to help reduce severe impacts

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• Easy to install
• Restores like-new steering and handling
• Construction and design validated by MOOG engineers
• Engineered to meet or exceed OE requirements
• Incorporates proven design and engineering features

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• 100% Load tested
• Easy to install
• Provides like-new steering
• Designed to lower stresses for longer service life
• Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• 100% Load tested
• Easy to install
• Provides like-new steering
• Designed to lower stresses for longer service life
• Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment

Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.

Product Features:

• Pre-assembled with all new strut, bearing plate, coil spring, dust cover and spring seat
• Struts feature application-specific technology with exact strut valving and tuning for smoother, safer and more stable ride
• Springs are built with U.S. grade steel and designed to match factory ride height and performance
• OE quality strut mount, bearing plate and brackets
• Complete strut assembly is extensively tested for functionality and durability
• Built with a micro-smooth, chrome-plated piston rod

Monroe® Gas-Matic passenger car shock absorber are gas charged and provide improved control at an economical price.

Product Features:

• Available for import and domestic passenger cars
• Gas-charged unit
• Improved handling and control
• Economical OE replacement
• Meets OE product specifications

Ideal for light trucks that that tow or carry varying loads, Monroe load adjusting shocks include a heavy gauge calibrated spring that adjusts to road and weight conditions to provide extra control when operating conditions get more demanding.

Product Features:

• REDUCES SAG UNDER LOAD — Ideal for occasionally hauling or towing varying loads, heavy gauge, calibrated coil spring reduces sag when loaded up to 1,200 lbs. (capacity limited by suspension, tires and transmission, see owner’s manual)
• EXCEPTIONAL HANDLING — Tuned specifically for each application, full-displaced valving automatically adjusts to road extremes to provide ride consistency
• CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and PTFE-banded piston helps reduce friction between the piston and pressure tube to enhance responsiveness to changing road surfaces
• LONGER SERVICE LIFE — Self-lubricating fluid seal retains gas and reduces excessive friction against the piston rod to help reduce premature wear while heavy-duty nitrocarburized rod delivers long life
• IMPROVES PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
• Nitrogen Gas Charged: For Improved Ride & Handling, Helps Maintain Tire To Road Contact By Reducing Aeration – On Most Applications
• 5/8 nitrocarburized rod for long service life.
• Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.

Ideal for light trucks that that tow or carry varying loads, Monroe load adjusting shocks include a heavy gauge calibrated spring that adjusts to road and weight conditions to provide extra control when operating conditions get more demanding.

Product Features:

• REDUCES SAG UNDER LOAD — Ideal for occasionally hauling or towing varying loads, heavy gauge, calibrated coil spring reduces sag when loaded up to 1,200 lbs. (capacity limited by suspension, tires and transmission, see owner’s manual)
• EXCEPTIONAL HANDLING — Tuned specifically for each application, full-displaced valving automatically adjusts to road extremes to provide ride consistency
• CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and PTFE-banded piston helps reduce friction between the piston and pressure tube to enhance responsiveness to changing road surfaces
• LONGER SERVICE LIFE — Self-lubricating fluid seal retains gas and reduces excessive friction against the piston rod to help reduce premature wear while heavy-duty nitrocarburized rod delivers long life
• IMPROVES PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
• Nitrogen Gas Charged: For Improved Ride & Handling, Helps Maintain Tire To Road Contact By Reducing Aeration – On Most Applications
• 5/8 nitrocarburized rod for long service life.
• Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.

Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:

• Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
• Enhanced anti-shudder protection for smooth shifting and maximum power transfer
• Developed with anti-wear technology to help improve transmission durability
• Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

Valvoline Multi-Vehicle Transfer Case Fluid is a full synthetic product meeting the performance needs for transfer cases recommending Ford XL-12 and GM Auto Trak II specifications or ATF fluids (DEX/MERC, ATF +4, etc).

Product Features:

• Recommended for use in most Ford, GM and FCA (Dodge, Jeep) models
• Formulated to help prevent gear wear and protect against rust and corrosion
• Formulated to deliver enhanced protection against deposits
• Helps provide better protection during extreme operating conditions

Ideal for hauling, Monroe® Max-Air® shock absorbers can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by vehicle suspension, tires and transmission. See vehicle owner’s manual.)

Product Features:

• MAINTAIN RIDE HEIGHT UNDER LOAD — Air chamber can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by suspension, tires and transmission, see owner’s manual)
• EASY TO ADJUST — Special air fitting resists air leakage and ties into factory system (where applicable) or manually inflates with an air compressor, pair with Monroe air shock accessory and shock air hose AK kits (varies by application)
• EXCEPTIONAL HANDLING — Full-displaced valving on compression and extension cycles for a smooth ride
• BUILT TO LAST — Hardened and precision ground piston rod for consistent performance, sintered iron piston for enhanced durability and longer service life and lubricated air sleeve reduces friction for smooth operation
• CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
• Sintered Iron Piston: Stronger than traditional metals, enhances durability for longer service life.
• Special Air Fitting: Resists air leakage.

Ideal for hauling, Monroe® Max-Air® shock absorbers can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by vehicle suspension, tires and transmission. See vehicle owner’s manual.)

Product Features:

• MAINTAIN RIDE HEIGHT UNDER LOAD — Air chamber can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by suspension, tires and transmission, see owner’s manual)
• EASY TO ADJUST — Special air fitting resists air leakage and ties into factory system (where applicable) or manually inflates with an air compressor, pair with Monroe air shock accessory and shock air hose AK kits (varies by application)
• EXCEPTIONAL HANDLING — Full-displaced valving on compression and extension cycles for a smooth ride
• BUILT TO LAST — Hardened and precision ground piston rod for consistent performance, sintered iron piston for enhanced durability and longer service life and lubricated air sleeve reduces friction for smooth operation
• CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
• Sintered Iron Piston: Stronger than traditional metals, enhances durability for longer service life.
• Special Air Fitting: Resists air leakage.

The Air Command Standard Duty Dual Electric Air Compressor System Kit Allows You To Adjust Your Air Springs With The Touch Of A Button. It Offers A Built in Air Source For Your Suspension System, Making It Easy To Alter Your Springs To Align With The Load Type And Environment. When Shopping For Air Accessories, You will Find That Firestone Air Command Standard Duty Dual Electric Air Compressor System Kit Is Designed To Have A Couple Of Special Benefits. First, The Air Command Standard Duty Dual Electric Air Compressor System Kit Comes Ready To Install, So You Can Set It Up And Get Back To The Road where You Want To Be. Just Connect A Few Wires To The Compressor And A Few To Your Vehicle. The Air Lines And Wiring Harness Can Be Plugged Into The Same Side Of The Unit For Smoother Routing Of Lines And Power Supply. After The Air Command Standard Duty Dual Electric Air Compressor System Kit Is Properly Installed, You Can Make Pressure Adjustments By Pressing A Single Button. This Air Command Standard Duty Dual Electric Air Compressor System Kit Component Allows For Side To Side Or Front to rear Leveling, Real time Pressure Readout, And Dual Left And Right PSI And Pressure Control Readouts. The Air Command Standard Duty Dual Electric Air Compressor System Kit Easy to read Needle Gauge Can Be Viewed Day Or Night, Without Straining Or Squinting Your Eyes. Prior To Installing The Air Command Standard Duty Dual Electric Air Compressor System Kit, Review The Instructions And Identify All Of The Components To Help Make Sure You Get Maximum Performance From Both Your Air Springs And Air Command Standard Duty Dual Electric Air Compressor System Kit. The Installation Steps Are Different Depending On Whether You are Enhancing An Existing Air Helper Spring System With The Air Command Standard Duty Dual Electric Air Compressor System Kit Or Installing It With A New Air Spring System.

Product Features:

• Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
• Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
• Provides An Instant Air Source For The Air Helper Springs Or Accessories
• Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
• Light Duty Compressor Specs (120 PSI Max Air Pressure, 9 Percent Duty Cycle, 0.32 CFM)

MOOG® Problem Solver® products incorporate proven design and engineering features for like new steering ease of installation and longer life. MOOG is the preferred steering and suspension brand of professional technicians and NASCAR crew chiefs.

Product Features:

• Easy to install
• Restores like-new steering and handling
• Construction and design validated by MOOG engineers
• Loose or worn chassis parts can lead to premature tire wear
• Incorporates proven design and engineering features

This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:

• Improves steering response
• Complete kit for 1 arm
• Heat treated steel bushings OR torsional rubber bushings
• Reduces vibration

Backed by superior materials and rigorous testing, MOOG control arm bushings deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

• HIGHLY PRECISE ENGINEERING — Optimized for quiet operation and resistance to wear, salt, road grime and oils
• PREMIUM MATERIALS — Made from high-quality elastomer compounds for durability and ride performance
• OE-STYLE DESIGN — Engineered to match or exceed OE requirements
• RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
• Metal rib design helps lock the inner tube within frame pocket
• Metal surfaces are phosphate coated for corrosion protection

This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:

• Reduces vibration
• Torsional rubber bushings
• UV resistant
• No Squeak

This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:

• Reduces vibration
• Reduces road noise
• UV resistant
• No Squeak

Founded in 1918, Metro Moulded Parts, Inc. is the leading USA manufacturer of top quality molded detail rubber parts and sponge rubber weatherstripping for antique, classic, restoration cars and trucks, as well as late model vehicles. Metro’s detailed rubber parts are manufactured to meet or exceed the specifications of the original part. They are the finest reproductions available anywhere. Front Coil Spring Insulator. Each.

Product Features:

• Jet black to match the color of the original part
• Dense rubber to match the original
• Exact fit
• High quality original equipment replacement part
• Made in the USA

TRW sets the standard within the Aftermarket, with tests that go beyond the ordinary to ensure every chassis part we produce meets stringent vehicle manufacturer quality standards, in line with the Original Equipment specification. To help make sure that our parts can go the distance, TRW utilizes on the road tests and the most advanced test machines available, in both our Original Equipment and Aftermarket facilities as well as by independent testing labs. So you can be sure that TRW parts are tested for your safety. The TRW Control Arm Stop is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment they replace.

Product Features:

• OE-Equivalent and a direct fit application.
• Meets or exceeds the OE specifications.
• Acoustic measurements to ensure driver comfort
• Strength tests for durability
• Environmental resistance tests for all weather conditions
• Wear and drive tests
• Assembly technique testing of all critical safety features
• Dynamic testing of complete units to ensure leak free performance
• Extensive on-road testing at TRW tracks around the world

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• Easy to install
• Restores like-new steering and handling
• Construction and design validated by MOOG engineers
• Loose or worn chassis parts can lead to premature tire wear
• Incorporates proven design and engineering features

Monroe® is one of the automotive industry’s best-known and most trusted original equipment and aftermarket brands, having delivered innovative undercar solutions to leading global OE manufacturers and generations of professional technicians and vehicle owners. This heritage of leading-edge products and exceptional customer support has made Monroe® shocks, struts and other ride control components a preferred choice of automotive professionals worldwide.

Monroe® is one of the automotive industry’s best-known and most trusted original equipment and aftermarket brands, having delivered innovative undercar solutions to leading global OE manufacturers and generations of professional technicians and vehicle owners. This heritage of leading-edge products and exceptional customer support has made Monroe® shocks, struts and other ride control components a preferred choice of automotive professionals worldwide.

KYB Strut Boot Kits keep your struts protected from dirt, dust, sand, salt and other road debris. These harmful elements cause abrasive wear to the polished shaft, upper seal and bushing. KYB Strut Boot Kits prevent these contaminants from entering the strut by covering the entire strut shaft in a highly durable plastic bellows. This can easily extend the life of the strut. The KYB Strut Boot Kit includes a poly foam travel-limiting bumper. Its designed to protect the strut from bottoming out and protects other components from extreme movement damage.

Product Features:

• Superior Quality Boot Helps Protect The Strut Shaft From Leak-Causing Dirt And Debris
• Poly Foam Bumper Prevents The Strut From Bottoming Out
• Built With Design And Quality That Matches Or Exceeds One
• Protects The Upper Seal And Bushing

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• Easy to install
• Restores like-new steering and handling
• Construction and design validated by MOOG engineers
• Engineered to meet or exceed OE requirements
• Incorporates proven design and engineering features

Designed to protect the strut, the Monroe® Strut-Mate® Boot Kit is the perfect replacement for a damaged jounce bumper or boot. Heavy-duty construction and unique design features make it the ideal choice for maximum rod protection and improved strut life.

Product Features:

• REPLACES DAMAGED JOUNCE BUMPER OR BOOT — Avoid premature strut failure by replacing missing or damaged strut components
• PROTECTS PISTON ROD — Protects piston rod finish from rust and corrosion and helps reduce oil leakage
• KEEPS MOISTURE AND DIRT OUT — Self-draining design eliminates retention of moisture and other unwanted debris
• ENHANCES STRUT LIFE — Delivers protection from severe suspension movement to improve strut durability
• PERFECT PAIRING — Ideal match to protect strut rods, replace all worn strut components with quality Monroe struts (sold separately) for a complete four-corner ride control upgrade
• EASY TO INSTALL — Direct fit OE replacement with firm friction connection that helps keep the boot in place
• BUILT TO LAST — Soft-entry jounce bumper made of closed cell, micro-cellular urethane for maximum durability and to help reduce severe impacts