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MERCURY GRAND MARQUIS Parts and Accessories

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Results 1 - 24 of 67

On Sale

MSD Street Fire Spark Plug Wire Sets

MSD Street Fire spark plug wire sets deliver high performance at value prices. The wires feature 500 ohms per foot of resistance for improved spark delivery and power, with a helically wound conductor that suppresses EMI. They're also built to last and feature 8mm silicone and synthetic jackets to resist heat and abrasion, silicone boots to protect against high exhaust temperatures, and an Aramid core to provide great strength and durability. A crimping tool is included with universal sets.

4.48 out of 5 stars ( 433 )

$68.99

$79.09


$62.05

$71.15

On Sale

ACCEL Performance Spark Plugs

ACCEL performance spark plugs produce a larger spark for more power at high rpms. They improve throttle response and fuel economy and reduce fouling. Their purified Alumina insulator prevents arcing, and their machine-rolled threads protect heads.

4.74 out of 5 stars ( 289 )

$57.49


$51.75

On Sale

MSD Blaster TFI Coils

MSD Blaster TFI coils powers up your Ford ignition system. With windings and construction similar to MSD's Blaster 2 coils, these coils have an increased turns ratio, plus lower primary resistance than your stock coil. MSD Blaster TFI coils will work with stock TFI ignition systems as well as MSD-equipped cars and trucks. Looking to get a little more output voltage from your Ford ignition system? Just bolt in one of these MSD Blaster TFI coils.

4.37 out of 5 stars ( 144 )

$78.15


$70.35

On Sale

MSD Replacement Distributor Caps

Ensure that you have the finest distributor cap available by using one of these MSD replacement distributor caps. They're designed with performance in mind, are molded from a high-quality, voltage-insulating material, and use low-resistance terminals for maximum conductivity .

4.6 out of 5 stars ( 197 )

$57.49

$66.65


$51.75

$59.95

On Sale

ACCEL SuperStock 4000 Series Spark Plug Wire Sets

ACCEL SuperStock 4000 Series spark plug wire sets will upgrade your OE ignition system for high-spark delivery levels and RFI suppression. They extrude the silicone jacket over a tightly woven, rugged fiberglass braid that meets or exceeds OE specifications. ACCEL offers their SuperStock 4000 Series wire sets in various color schemes to match nearly any application! More product features include: * Jackets rated up to 450 degrees F * 7mm or 8mm yellow, red, black, and blue silicone jackets * Orange and other color-matched spark plug boots with terminals * Available for pre and post-HEI vehicles * Custom-fit, universal, and import

4.55 out of 5 stars ( 133 )

$68.99

$79.05


$51.74

$71.15

On Sale

Taylor Street Thunder Spark Plug Wire Sets

Taylor Street Thunder spark plug wire sets offer great performance at an affordable price. They feature 8mm diameter black silicone construction with synthetic jacketing to resist heat, oil, and abrasion. Their 500 ohm per ft. resistance delivers greater spark energy, while improving power and fuel efficiency. By using a Kevlar® helically spiral-wound core conductor, Street Thunder wires provide greater strength and durability to suppress electromagnetic and radio frequency interference. Matching black silicone boots protect against high exhaust temperatures and double spring locking terminals make quick vibration-proof connections. Taylor Street Thunder spark plug wires are available in universal, race-fit, or custom-fit styles. Select the set that best suits your application.

4.58 out of 5 stars ( 444 )

$62.90

$91.20


$56.61

$82.08

On Sale

U.S. Wheel 62 Series Black Winter Replacement Wheels

U.S. Wheel 62 Series Black Winter Replacement Wheels are ready to take over when the snow flies. The matte black wheels are made from high-quality steel and are offered in a choice of sizes and offsets. U.S. Wheel 62 Series wheels feature the classic look of 8-hole styling.

4.52 out of 5 stars ( 67 )

$84.99


$76.49

On Sale

Mr. Gasket Cast Aluminum Valve Covers

Mr. Gasket cast aluminum covers are constructed of high quality die-cast aluminum for an excellent fit. They are available in polished, finned, and ball-milled versions to fit a variety of engines. Features: * Top quality cast aluminum construction * Choice of smooth top polished, finned, or ball-milled designs * Some available in tall versions for additional rocker arm clearance * Thick gasket rail area for excellent sealing * Pre-punched breather openings with baffles * Includes mounting hardware

3.87 out of 5 stars ( 89 )

$99.95

$110.95


$89.95

$99.85

On Sale

MSD Street Fire Coils

MSD Street Fire coils will improve the performance of your late model GM or Ford vehicle. The E-core dual connector and TFI coils feature epoxy-filled construction and maximum output voltage. They mount directly in place of the factory coil and accept the factory connectors for an easy installation.

4.72 out of 5 stars ( 643 )

$71.75


$64.55

On Sale

Liqui Moly Molygen New Generation Motor Oil

Liqui Moly Molygen New Generation motor oil is optimum for modern Japanese and American gasoline engines with multi-valve technology—and turbocharging with and without charge air cooling. It's ideal for the protection and value conservation of the engine during long intervals between oil changes and when there are extreme engine requirements. Additional details: * Ensures that the motor oil is of low viscosity with a high shear stability and reliably prevents the formation of deposits * The results are savings in fuel and an extended service life for the engine * High performance, low-friction engine oil for year-round use * Available in single liters and multi-liter quantities

5.0 out of 5 stars ( 7 )

$73.99


$66.59

On Sale

Mr. Gasket Automatic Transmission Oil Pans

These automatic transmission oil pans from Mr. Gasket are stock-depth chrome plated pans. They come complete with a washer and gasket and most have drain plugs.

4.21 out of 5 stars ( 91 )

$69.35


$62.45

On Sale

MSD Distributor Rotors

MSD distributor rotors are molded from high-quality, voltage-insulating Rynite or alkyd materials to resist carbon tracking, while ensuring that the ignition spark reaches the spark plug terminals. For optimum voltage-carrying capabilities, the rotor tips are made from low-resistance brass.

4.73 out of 5 stars ( 151 )

$65.85


$59.25

On Sale

MSD Universal Wiring Harnesses

MSD offers universal wiring harnesses to simplify the installation of a MSD 6 Series box on late model vehicles. The harnesses plug in between the ignition coil and the factory coil connector. Four wires with corresponding colors and matching connectors then connect directly to the MSD 6 wires. These harnesses reduce the installation time, reduce or eliminate cut wires, and allow you to quickly convert back to the factory ignition.

4.77 out of 5 stars ( 48 )

$59.25


$53.35

On Sale

ACCEL Super Coils

ACCEL Super Coils are engineered for a faster rise time and a longer spark duration. They produce higher spark energy for increased performance. These coils are available for a wide variety of specific engine applications. Order the set designed for your make and model.

4.53 out of 5 stars ( 805 )

$114.95


$103.45

On Sale

Yukon Gear & Axle Differential Pinion Yokes

Yukon Gear & Axle differential pinion yokes offer precise fit and strength for many applications. The yokes are manufactured from cast steel, forged steel, billet steel, and aluminum—and are available for fitment on dozens of specific axle applications. Choose the high performance strength of Yukon Gear & Axle differential pinion yokes for your build.

4.49 out of 5 stars ( 85 )

$94.99


$80.74

On Sale

ACCEL SuperStock Ignition Coils

ACCEL SuperStock coils are excellent high-performance coils. They're designed with optimized low resistance and a high turns ratio, for higher energy output. This also results in quicker starts, improved throttle response, and more high-rpm power.

4.86 out of 5 stars ( 93 )

$79.09


$71.15

On Sale

Clearance

Yukon Gear & Axle Differential Carrier Bearings

Yukon Gear & Axle differential carrier bearings are low-cost replacements for Positraction or locker upgrades. They bearings are made of steel and most include races and shims. Order the kit recommended for your axle application.

4.56 out of 5 stars ( 18 )

$92.99

$115.89


$79.04

$98.51

On Sale

Mr. Gasket Oil Pan Gasket Sets

Mr. Gasket has two different oil pan gasket sets for your needs: Standard and Ultra-Seal. For stock rebuilds, the standard gaskets are just fine, but for high performance applications, the Ultra-Seals are where it's at. The Ultra-Seal oil pan gaskets are designed for today's performance engines that create excessive amounts of vacuum and pressure in the oil pan. They're constructed from a fiber material that features excellent tensile strength and superior blowout resistance.

4.69 out of 5 stars ( 26 )

$68.05


$61.25

On Sale

PerTronix Flame-Thrower 7mm Stock Look Spark Plug Wire Sets

PerTronix's Flame-Thrower 7mm "Stock Look" spark plug wire sets are designed to give you the ultimate in high performance, while retaining a stock appearance. The core consists of a carbon-impregnated fiberglass center that is spiral-wound with stainless steel alloy. They also feature: * Low 500 ohm per foot resistance * Silicone jackets to resist high temperatures, moisture, oil, and chemicals * EPDM rubber inner insulation for superior heat resistance and the prevention of arcing and voltage leaks * Fiberglass reinforcing braid for added strength and flexibility

4.12 out of 5 stars ( 140 )

$73.20


$65.88

On Sale

Yukon Gear & Axle U-Joints

When you don't need a Super Joint, Yukon Gear & Axle also offers other U-joints—including standard, adapter, and lifetime models. But, even though they're not "super," all Yukon universal joints are tough enough to keep your shafts connected and spinning with awesome performance. Order the model designed for your application.

4.09 out of 5 stars ( 23 )

$59.99

$107.99


$50.99

$91.79

On Sale

MSD Timing Pointers

MSD timing pointers are CNC-machined from 6061-T6 billet aluminum. These adjustable pointers are fully machine lightened; and each of the main bodies—as well as adjustment assemblies—are black anodized for long-lasting corrosion protection. They are built as direct-fit components, and various part numbers are available to fit multiple-size balancers. MSD timing pointers are designed to work on small block Chevy, big block Chevy, and small block Ford engines. They have a 4-degree range of movement for you to find the precise timing location. Stainless steel hardware is also included.

4.18 out of 5 stars ( 44 )

$110.95


$61.95

On Sale

Mr. Gasket Ultra-Seal Exhaust Gaskets

Mr. Gasket Ultra-Seal exhaust gaskets are designed and constructed to improve the sealing of exhaust header flanges. Unlike standard exhaust gasket material, Ultra-Seal gaskets incorporate a graphite-impregnated facing and a steel-expanded metal core that reinforces and increases their tensile strength. This allows the gaskets to conform to warped flanges, giving them better sealing capabilities without deteriorating or cracking under the excessive heat and pressure that's common in exhaust systems. Ultra-Seal gaskets are available for a wide range of port styles and sizes. Additional features and benefits: * Expanded steel core provides stability and maximum torque retention to eliminate gasket failure * Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head * High-recovery material allows header or manifold flange to stay sealed if flange loses clamp-load * Can be trimmed for modified port applications * Designed for OE replacement, high performance street, drag race, road racing, and oval track use

4.63 out of 5 stars ( 174 )

$69.29


$62.35

On Sale

ACCEL Ford EEC-IV Super Coils

ACCEL Ford EEC-IV Super Coils offer increased throttle response, idle quality, and starting. Their E-core design maximizes energy and voltage output. ACCEL Ford EEC-IV Super Coils are direct bolt-in and plug-in replacements for use with computerized ignitions and Ford TFI distributors. They'll get you the spark you need and the performance you want.

4.56 out of 5 stars ( 25 )

$84.85


$63.64

On Sale

Yukon Gear & Axle Crush Sleeve Eliminator Kits

Yukon Gear & Axle crush sleeve eliminator kits replace your crush sleeve with a shim and spacer setup. These kits offer an economical way to enhance your setup and make it more precise. Have you ever over-tightened a crush sleeve? You toss it and start over with a new one. Yukon Gear & Axle crush sleeve eliminator kits remove the hassle—so setting preload is easier. Order the kit designed for your axle model application.

4.62 out of 5 stars ( 69 )

$77.99

$92.99


$66.29

$79.04

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