1991 Mercury Grand Marquis Performance Engines

Essential 1991 Mercury Grand Marquis Performance Engines

Mr. Gasket – Ultra Seal; Harmonic Balancer Bolt/Washer Kit (Part No.7847)

Ultra Seal; Harmonic Balancer Bolt/Washer Kit

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$35.99
The grade 8 bolts feature high hex head to prevent socket slippage. The thick parallel ground washer allows accurate uniform torque. Black finished, complete with split lock washer to prevent loosening.

Product Features:
  • Grade 8 material
  • Heat-treated for strength
  • Hex prevents socket slippage
  • Accurate and uniform torque
  • Black plated finish
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Competition Cams – Xtreme Energy 240/246 Hydraulic Flat Cam and Lifter Kit for Ford 351W (Part No.CL35-250-4)

Xtreme Energy 240/246 Hydraulic Flat Cam and Lifter Kit for Ford 351W

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$373.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
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Edelbrock – Sure Seat; Valve Spring (Part No.5972)

Sure Seat; Valve Spring

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$47.99
Complete kit includes retainers and locks. Springs made of highest quality spring wire. Springs precision wound to close tolerances. Includes superior quality steel retainers. Includes 7 degree heat-treated valve stem locks. Retainers and locks black oxide coated. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1811)

PERFORMANCE OIL PAN GASKET SET

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$30.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Super Intake Manifold Bolts (Part No.6082)

Super Intake Manifold Bolts

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$40.99
Super Intake Manifold Bolts

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2901)

Engine Crankshaft Seal Kit

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$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
  • Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Intake Gasket (Part No.223)

Intake Gasket

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$35.99
Mr. Gasket standard intake gasket sets are manufactured from a blend of nitrile rubber and fiber, for excellent sealing and durability. They’re precision die-cut for each specific application to ensure a great fit, and can be custom-trimmed for modified ports where needed. The sets come complete with all necessary seals and block-off plates.

Product Features:
  • Designed to ensure excellent sealing
  • Provides long lasting durability
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 5 Piece Set (Part No.1248)

Lower Intake Manifold Gasket Set: 5 Piece Set

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$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Mr. Gasket – Valve Cover Gasket Set (Part No.276)

Valve Cover Gasket Set

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$25.99
Thick, molded rubber with steel carrier. Manufactured from high-density cork and rubber blend gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage. Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Available in standard or extra thick to provide additional valve train to cover clearance. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Made from cork/rubber compound
  • Can be reused many times
  • Thick; fuel-resistant
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Edelbrock – Valve Cover Gasket Set for Ford (Part No.7568)

Valve Cover Gasket Set for Ford

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$40.99
Product Features:
  • Valve Cover Gasket
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Edelbrock – Pushrod Set for Ford 351W (Part No.9659)

Pushrod Set for Ford 351W

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$190.99
Edelbrock part #9659 Pushrods are designed for small-block Ford 351W V-8 engine applications. These one-piece pushrods are manufactured from high quality 4130 Chromoly steel tubing that has been surface hardened for maximum durability. They have precise f

Product Features:
  • 7.7 in. Length
  • 0.312 in. Diameter
  • 4130 Chromoly Steel Material
  • Black Oxide Finish
  • Made In The USA
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Edelbrock – Pushrod Set for Small Block Ford 289-302 (Part No.9632)

Pushrod Set for Small Block Ford 289-302

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$210.99
Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
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Mr. Gasket – Ultra Seal; Sure-Lock Rocker Arm Nuts (Part No.923G)

Ultra Seal; Sure-Lock Rocker Arm Nuts

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$77.99
Designed to keep the rocker arms positively locked for precise and critical valve train adjustments. Manufactured from quality grade steel, then heat-treated for extra strength and plated with a durable finish. Kits include 16 rocker arm nuts with socket head set screws and one hex key wrench.

Product Features:
  • Sure-lock rocker arm nuts
  • Precise valve train adjustment
  • Keep rocker arms locked
  • High-quality grade steel
  • Heat-treated for ex strength
  • Plated with durable gold tone finish
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Competition Cams – ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST (Part No.17043-16)

ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST

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$237.99
The COMP Cams High Energy Die-Cast Aluminum Roller Rocker Arms are new rocker arms from the valve train leader that have been designed for street and moderate race use. They feature a die-cast body created from aluminum with a needle bearing fulcrum and roller tip. The die-cast, larger than stock body offers the strength properties and light weight of aluminum while the specially engineered fulcrum and roller tip decrease friction and lower oil temperatures, thus improving response and horsepower.

Product Features:
  • Cost effective aluminum construction provides superior strength to weight ratio
  • Needle bearing fulcrum and roller tip reduce friction and lower oil temperatures for improved response and horsepower
  • Durable design increases valve lift while withstanding the rigors of moderate race use
  • Die-formed aluminum body is larger than stock, and may require modifications to stock valve covers for clearance.
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Edelbrock – Street Legal Performer; Cylinder Head (Part No.603519)

Street Legal Performer; Cylinder Head

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$958.99
50 state street legal aluminum cylinder head. Out-of-the-box bolt-on performance. Intake valves are used for stock pistons.

Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • Hand-Blended Intake and Exhaust Bowls
  • CNC-Matched Intake/Exhaust Ports in Std Location
  • Thicker Deck Surfaces than Other Brands
  • Heli-Coils in Rocker Studs and Exhaust Bolt Holes
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Edelbrock – Performer; Cylinder Head (Part No.60299)

Performer; Cylinder Head

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$757.99


Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • Torque Improved Over Stock
  • Accept V8 Pedestal Rocker Arms
  • Accept V8 Valvetrains
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Edelbrock – 289-302 Ford Head Bolt Kit (Part No.8552)

289-302 Ford Head Bolt Kit

from

$107.99


Product Features:
  • Highest Quality Head Bolts
  • Cold-Formed/Heat Treated
  • Ensures Molecular Integrity
  • Reduced Diameter Bolt Heads
  • Hardened/Parallel-Ground Washers Included
  • Rated At 170000 psi
  • Manufactured By ARP
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)

Performer Series Retainer (Qty 16)

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$100.99
Product Features:
  • Use W/ Valve Springs Part #5822, 5882, 5896, 5872, 5867, 5812, 5857
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7830)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$80.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
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Edelbrock – TIMING CHAIN (Part No.7844)

TIMING CHAIN

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$29.99
Product Features:
  • Timing Chain Only
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1018)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$49.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1028)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$91.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – RPM Air Gap 302; Intake Manifold (Part No.75211)

RPM Air Gap 302; Intake Manifold

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$518.99
Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM street-driven power. Dual-plane high-rise intake. Race winning technology.

Product Features:
  • Based on Performer RPM-Series with Unique Air Gap
  • Air Gap Cooler and Denser Mixture for More Power
  • Designed for 1500 to 6500 RPM Street-Driven Power
  • Dual-Plane High-Rise Intake
  • Race Winning Technology
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Edelbrock – Torker II Small Block Ford 351W Intake Manifold (Part No.5081)

Torker II Small Block Ford 351W Intake Manifold

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$403.99
Edelbrock part #5081 Torker II 351W intake manifold is designed for 1969 and later 351 Windsor Ford V8 high-performance engines with Edelbrock heads, OEM 12- or 16-bolt heads or equivalent. Will not fit “Boss 351” Cleveland. Manifold not equipped with EGR

Product Features:
  • 2500 to 6500 RPM High Performance Street Engines
  • Single-Plane Low-Rise Intake Good for High RPM
  • Ideal for Applications with Limited Hood Clearance
  • For Top-End HP and Adequate Throttle Response
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Weiand – Hi-Ram; Intake Manifold (Part No.1993)

Hi-Ram; Intake Manifold

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$636.99


Product Features:
  • Square Flange Carburetor Mounting
  • Special D-Shaped Port Runner Design
  • Large Plenum Chamber
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B & M – CONVERTER AOD HP (Part No.40437)

CONVERTER AOD HP

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$297.99
A higher than stock stall speed as delivered by a B&M Converter will provide several advantages. The high stall converter allows the engine to launch the car at a higher RPM where more torque is available and increased strength.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
  • Washer Between Turbine and Cover
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B & M – Torque Converter, Tork Master 2000 (Part No.40427)

Torque Converter, Tork Master 2000

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$338.99
A higher than stock stall speed as delivered by a B&M Converter will provide several advantages. The high stall converter allows the engine to launch the car at a higher RPM where more torque is available and increased strength.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
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1991 Mercury Grand Marquis Performance Engines

Maybe you’re in the middle of a full rebuild of that 1991 Mercury Grand Marquis. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 29 different Performance Engines in our inventory ranging from $19.99 to $1,169.99. That means you can find the exact parts or products you need to keep that 1991 Mercury Grand Marquis running smoothly.

Performance Engines are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Mercury Grand Marquis. FEL-PRO Performance, Mr. Gasket, and Edelbrock are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1991 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 21 reviews in this category, some of the top rated parts include 289-302 Ford Head Bolt Kit with 2.0 stars and ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST with 1.0 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1991 Mercury Grand Marquis rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1991 Mercury Grand Marquis Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Mercury Grand Marquis demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your Grand Marquis the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular FEL-PRO Performance Performance Engines

We carry FEL-PRO Performance parts in our stock across Performance Engine Intake Manifold Gaskets categories, plus more. For a 1991 Mercury Grand Marquis, our most popular FEL-PRO Performance Performance Engines include:
Lower Intake Manifold Gasket Set: 5 Piece Set
from $31.49
(1)
Lower Intake Manifold Gasket Set: 5 Piece Set
Performance Engine Intake Manifold Gaskets
Lower Intake Manifold Gasket Set: 11 Piece Set
from $33.99
(4)
Lower Intake Manifold Gasket Set: 11 Piece Set
Performance Engine Intake Manifold Gaskets
Engine Valve Cover Gasket Set
from $46.99
(1)
Engine Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets

FAQs for 1991 Mercury Grand Marquis Performance Engines

What are the most purchased Performance Engines for the 1991 Mercury Grand Marquis?

Out of 29 Performance Engines for the 1991 Mercury Grand Marquis, the most popular in our inventory are:
Intake Manifold Bolts
from $19.99
(1)
Intake Manifold Bolts
Performance Intake Manifolds
Intake Manifold Gasket for 1963-1996 Small-Block Fords
from $28.99
(1)
Intake Manifold Gasket for 1963-1996 Small-Block Fords
Performance Engine Intake Manifold Gaskets
Ultra Seal; Harmonic Balancer Bolt/Washer Kit
from $35.99
This product is not rated
Ultra Seal; Harmonic Balancer Bolt/Washer Kit
Performance Engine Harmonic Balancers

What are the top-rated 1991 Mercury Grand Marquis Performance Engines?

Top-rated Performance Engines for your 1991 Mercury Grand Marquis based on customer reviews/ratings are:
289-302 Ford Head Bolt Kit
from $107.99
(7)
289-302 Ford Head Bolt Kit
“Great quality bolts. They include thread locker. Would definitely recommend to anyone replacing their heads.”
ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST
from $237.99
(1)
ROCKER ARMS, DIE CAST ALUM SMALL BLOCK FORD 1.6 1 ST
“These things break very easy. Not a big fan of the soft brass when trying to install them with the screwdriver head they use. Change it hex and it woy”