1966 Mercury S-55 Performance and Racing Products

Essential 1966 Mercury S-55 Performance and Racing Products

Spectre – Valve Cover (Part No.5270)

Valve Cover

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$72.99
Available in various sizes, heights, and finishes, Spectre offers a wide variety of high performance valve covers designed to easily replace your stock covers. Designed for 1958-1976 Ford “FE” 332-352-360-390-406-410-427-428 engines, this valve cover features chrome-plated steel construction and a smooth design. Sold in pairs, this stock profile cover is baffled to provide optimum function. With show quality construction and a sealing edge designed for an ideal fit, our valve covers are engineered to look great for applications ranging from custom builds to replacing stock equipment.

Product Features:
  • Designed for 1958-1976 Ford “FE” 332-352-360-390-406-410-427-428 engines
  • Baffled for breather system compatibility
  • Sold in pairs
  • Triple chrome-plated steel construction
  • Stock height
  • Features OEM style sealing edge
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Accel – Custom Fit Super Stock Spiral Spark Plug Wire Set, 8mm, Blue (Part No.5046B)

Custom Fit Super Stock Spiral Spark Plug Wire Set, 8mm, Blue

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$85.99
ACCEL Super Stock wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with zinc-plated steel terminals.

Product Features:
  • Spiral Core
  • Silicone Spark Plug Boots
  • 500 Ohms Per Foot Resistance
  • 550 Degree Wire Temperature Rating
  • Meets Or Exceeds OE Boot Temperature Rating
  • Magnetic Suppression
  • 500 Ohms Resistance
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FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1632)

Engine Valve Cover Gasket Set

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

Product Features:
  • Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
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Spectre – Water Neck; Ford 390-428 (Part No.4736)

Water Neck; Ford 390-428

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$47.99
Spectre’s Ford water neck fits Ford 390, 427 and 428 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck includes bolts.

Product Features:
  • Fits Ford 390, 427 and 428 engines
  • Includes bolts and gasket
  • Chrome plated
  • Easy to install
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Mr. Gasket – Thermocap Radiator Cap (Part No.2470S)

Thermocap Radiator Cap

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$54.99
Knowing your coolant temperature can help to prevent burn injuries. Thermo Cap, with its built-in calibrated thermometer, indicates the coolant temperature. This is useful information prior to cap removal. Never attempt to remove Thermo Cap when the coolant temperature is very hot. The escaping hot coolant and steam may burn you. Check the Thermo Cap temperature indicator to determine if the coolant is cool enough to make removing Thermo Cap safe. If the coolant is very hot, then thoroughly rinse the radiator with cool water, until the coolant temperature drops into a cooler safe zone Thermo Cap’s integrated coolant reclamation valve works great with your coolant recovery system. Your radiator can reclaim coolant from your overflow bottle. Wide 30 degree to 270 degree Fahrenheit temperature range. Calibrated in centigrade and Fahrenheit. Color-coded temperature ranges. Chromed crown with a colored trim ring. Indicates coolant temperature, Helps to prevent coolant injuries, integrated coolant reclamation valve, Improves under hood appearance, Fits most domestic or import vehicles and various valve pressures available.

Product Features:
  • Indicates coolant temperature
  • Helps to prevent coolant injuries
  • Integrated coolant reclamation valve
  • Improves under hood appearance
  • Fits most domestic vehicles
  • Built in calibrated thermometer
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1817)

PERFORMANCE OIL PAN GASKET SET

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$27.49
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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Hurst – Automatic Shifter, Quarter Stick (Part No.3160009)

Automatic Shifter, Quarter Stick

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$409.99
The award-winning Quarter Stick automatic shifter is designed to provide positive gear change control for street or racing transmission applications. Gated mechanism. NHRA/IHRA approved reverse lockout.

Product Features:
  • Forward and Reverse Shift Patterns
  • Chrome Plated Trigger for Detent Activity
  • Factory Neutral Safety Switch
  • Compact And Lightweight
  • Roller Detent with Shifter Pattern
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Edelbrock – Performer Carburetor #9906 600 CFM With Electric Choke, Satin Finish (Non-EGR) (Part No.9906)

Performer Carburetor #9906 600 CFM With Electric Choke, Satin Finish (Non-EGR)

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$397.99
Burnished aluminum. GM/MAC- style throttle linkage. Electric choke installed from factory. Easy tuning with 2 piece design. Smooth secondary transition. Both timed for full vacuum ports. Includes PCV outlet.
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Accel – Super Coil Ignition Coil (Part No.140001)

Super Coil Ignition Coil

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$98.99
These coils feature advanced bobbin technology, highly specialized silicone magnetic steel cores, along with optimized winding, resistance and turns ratios to delivery 10-15 percent more energy than the OEM coils. Specialized high temperature epoxy resist

Product Features:
  • Oil Filled For Better Cooling
  • Optimized Low Resistance
  • Silicon Magnetic Steel E-Core
  • Higher Energy/Voltage Outputs
  • Quicker Starts
  • Improved Idle Quality
  • Resists Shock And Vibration
  • Resists Corrosion
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Fram – High Perf. Full-Flow Lube Spin-on (Part No.HP1)

High Perf. Full-Flow Lube Spin-on

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$16.99
FRAM Racing® filters are designed with a heavy-gauge tapping plate and an extra-thick* steel can that is able to withstand the high pressure flexing caused by demanding driving conditions. A spiral-shaped center tube provides protection against collapse, and tough steel end caps add even more durability. A screen-over 22psi filter bypass valve provides additional protection against larger contaminants.** 

Product Features:
  • Proven protection for up to 10,000 miles
  • Engineered for use with synthetic or conventional motor oils
  • Filter media is a blend of fiber and resin that captures 95% of the dirt particles
  • The perfect balance of dirt-trapping efficiency and dirt-holding capacity
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Edelbrock – Performer RPM 2 Carb/Plate Nitrous Systems Square-Bore Carbs (200-300-400+ Hp) (Part No.70056)

Performer RPM 2 Carb/Plate Nitrous Systems Square-Bore Carbs (200-300-400+ Hp)

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$1243.99
Designed for carburetor V8 engines. Power increases from 200 to 400 horsepower. Simple to install. Shorter spray bars. More even distribution across the plenum. A more balanced air and fuel ratio. Quicker response time.

Product Features:
  • Designed For Carbureted V8 Engines
  • Power Increases From 200-400_ HP
  • Simple To Install
  • Shorter Spray Bars
  • More Even Distribution Across The Plenum
  • A More Balanced Air/Fuel ratio
  • Quicker Response Time
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Accel – Contact And Condenser Kit (Part No.8203)

Contact And Condenser Kit

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$81.99
Regain horsepower and economy for your street machine with new contact and condenser kit. Large tungsten contacts provide crisp coil firing and perform solidly up to 5,000 RPM. Condenser’s special winding protects from pitting of point contacts. Heavy duty 23 ounce points.

Product Features:
  • High Performance Points and Condenser
  • With Integral Conductor
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Edelbrock – Performer 390 Intake Manifold for Ford FE, Polished Finish (Part No.21051)

Performer 390 Intake Manifold for Ford FE, Polished Finish

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$875.99
Product Features:
  • For Idle to 5500 RPM Street-Driven Performance
  • Dual-Plane Low-Rise Intake w/180 deg. Firing Order
  • Patented Runner Design Ensures Broad Torque Curve
  • Excellent Throttle Response and Mid-Range Power
  • 50-State Street Legal if Correct Carburetor Used
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Edelbrock – Sure Seat Valve Springs for Ford 390-428 FE V8 1961-1976 (Part No.5806)

Sure Seat Valve Springs for Ford 390-428 FE V8 1961-1976

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$72.99
Product Features:
  • Non-Rotator Type
  • 1.458 in. Outer Diameter
  • 1.062 in. Inner Diameter
  • 1.062 in. Coil Blind
  • Set of 16
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Spectre – Oil Pan (Part No.5491)

Oil Pan

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$165.99
This Spectre Performance oil pan was designed for Ford cars and 2WD trucks with 352, 360, 390, 406, 427, & 428 (except 428CJ and 428 SCJ) engines. This stock 4 quart capacity pan features a triple chrome-plated finish and durable steel construction. Precision engineered for optimum fit and function, this high quality OEM replacement part is easy to install.

Product Features:
  • Fits Ford cars and 2WD trucks (does not fit vans or 4WD trucks)
  • Fits 352-428 Ford engines (except the 428 CJ or 428 SCJ)
  • OEM replacement for easy installation
  • Triple chrome plated steel
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Mr. Gasket – Oil Pan Bolt Kit (Part No.6088)

Oil Pan Bolt Kit

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$18.99
Oil Pan Bolt Kit

Edelbrock – Performer RPM; Nitrous Systems (Part No.70092)

Performer RPM; Nitrous Systems

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$766.99


Product Features:
  • Designed For Carbureted V8s
  • Power Increases From 100-250 HP
  • Precision EDM Machined Spray Bars
  • Simple To Install
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 5 Piece Set (Part No.1246)

Lower Intake Manifold Gasket Set: 5 Piece Set

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$39.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro performance intake manifold gaskets have been tested with virtually all aftermarket cylinder head and intake manifold combinations.
  • Performance intake manifold gaskets designed without a metal core, to allow engine builders to trim the gasket for exact fit on modified ports.
  • Standard and Low riser
  • Printoseal elastomeric sealing beads to provide extra sealing strength around the intake port.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Intake Gasket (Part No.201G)

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 – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1020)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$41.99
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 – Cylinder Head Gasket Set for Ford (Part No.7337)

Cylinder Head Gasket Set for Ford

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$61.99
Product Features:
  • Cylinder Head Gasket Set
  • 1958-1976 390-428
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FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1442)

Exhaust Manifold Gasket Set

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$33.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
  • Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
  • Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
  • Slotted bolt holes allow for easier header installation.
  • Not intended for use in emission controlled vehicles.
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Edelbrock – Exhaust Manifold Gasket Set for Ford (Part No.7229)

Exhaust Manifold Gasket Set for Ford

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$31.99
Product Features:
  • 0.0625 in. Thickness
  • 1.40 in. x 2.04 in. Port Size
  • For 390-428 FE Ford V8
  • Gray Color
  • Two Piece Configuration
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Mallory – Unilite Breakerless Ignition Conversion Kit (Part No.501)

Unilite Breakerless Ignition Conversion Kit

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$113.99
Put an end to high maintenance point ignition systems by installing a proven Mallory Unilite ignition conversion kit. Features at a glance, improves performance and fuel efficiency, easy to install with simple hand tools, reduced maintenance and is available for all popular 12-volt negative ground domestic cars and trucks.

Product Features:
  • Easy Installation
  • Improved Fuel Economy
  • Reduced Maintenance
  • Accurate Timing
  • Improved Performance
  • Provides A Simple Conversion
  • No Moving Parts To Wear Out
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Mallory – Distributor Wiring Harness (Part No.29349)

Distributor Wiring Harness

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$25.99


Product Features:
  • Service Part
  • Makes Connections Quick And Easy
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Mallory – Unilite Electronic Ignition Distributor Series 37 (Part No.3755301)

Unilite Electronic Ignition Distributor Series 37

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$455.99
The industry standard with adjustable mechanical advance curve. Triggered by photo-optic infrared LED system. Improved combustion efficiency and economy, increased spark plug life and cold weather starting, and maintenance free operation.

Product Features:
  • Improved Combustion And Economy
  • Increased Spark Plug Life
  • Improved Cold Weather Starting
  • Maintenance Free Operation
  • Accurate Spark Timing
  • Self-Lubricating Bushings
  • Years Of Trouble-Free Service
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1966 Mercury S-55 Performance and Racing Products

You count on your 1966 Mercury S-55 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Performance and Racing Products. With 49 Performance and Racing Products ranging in price from $16.99 to $1,243.99, you’re sure to find everything you need for your 1966 Mercury S-55.

Brands matter. If you want to shop a specific Performance and Racing Products brand, we stock 12 different brands like K&N, Accel, and Holley. 1966 Mercury S-55 Performance and Racing Products start as low as $16.99!

One of the best ways to find top quality OEM or aftermarket Performance and Racing Products is by asking professionals. Short of that, you can shop with confidence thanks to our 667 extensive product reviews on 1966 Mercury S-55 Performance and Racing Products. Some of the top-rated Performance and Racing Products products we carry are Coil; Blaster 2; High Performance with 4.3 stars and Performer Carburetor #9906 600 CFM With Electric Choke, Satin Finish (Non-EGR) with 3.8 stars.

Did we mention you can order your Performance and Racing Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Performance and Racing Products inventory for your 1966 Mercury S-55 below to get started!

Top-Rated Performance and Racing Products Brands For Your 1966 Mercury S-55

Trusted Performance and Racing Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1966 Mercury S-55 running right for years to come. In our inventory you’ll find brands like K&N, Accel, Holley, and even more.

Popular K&N Performance and Racing Products

You’ll find popular K&N brand products across Performance Oil Filters. All are waiting to get your 1966 Mercury S-55 back on the road. Some of the top-rated K&N products in these categories are:

Top-Rated Accel Performance and Racing Products


If Accel are what you’re looking for, our inventory holds plenty. We stock Accel brand Performance and Racing Products for your 1966 Mercury S-55, and some of our most reviewed Accel parts include:
Super Stock Coil
from $40.99
(54)
Super Stock Coil
Performance Coils
Contact And Condenser Kit
from $81.99
(1)
Contact And Condenser Kit
Performance Points and Condensers

FAQs for 1966 Mercury S-55 Performance and Racing Products

What are the most purchased Performance and Racing Products for the 1966 Mercury S-55?

Out of 49 Performance and Racing Products for the 1966 Mercury S-55, the most popular in our inventory are:
High Perf. Full-Flow Lube Spin-on
from $16.99
(4)
High Perf. Full-Flow Lube Spin-on
Performance Oil Filters

What are the top-rated 1966 Mercury S-55 Performance and Racing Products?

Top-rated Performance and Racing Products for your 1966 Mercury S-55 based on customer reviews/ratings are:
Coil; Blaster 2; High Performance
from $71.99
(20)
Coil; Blaster 2; High Performance
“MATCHED PERFECT TO OLD UNIT”
Performer Carburetor #9906 600 CFM With Electric Choke, Satin Finish (Non-EGR)
from $397.99
(5)
Performer Carburetor #9906 600 CFM With Electric Choke, Satin Finish (Non-EGR)
“easy to install all the gaskets and parts came with it”
Automatic Shifter, Unimatic Shifter
from $259.99
(3)
Automatic Shifter, Unimatic Shifter
“Super easy to install, works nice.”