1974 Mercury Cougar Performance Engines

Essential 1974 Mercury Cougar Performance Engines

Competition Cams – VALVE SPRINGS, 1.509" DUAL 1 ST (Part No.924-16)

VALVE SPRINGS, 1.509" DUAL 1 ST

from

$788.99
Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of today’s engine builders and racers.

Product Features:
  • Seat pressure: 112 lbs. @ 1.900″, Open Pressure: 355 lbs. @ 1.200″
  • O.D.: 1.509″, I.D.: 0.697″
  • Dual valve springs with damper
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Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.7847)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$38.49
Mr. Gasket Harmonic Balancer Bolt for Ford V8 except 351C. Fits 221,260,289,302,351W small block Windsor engines, 332,352,360,390,406,410,427,428 FEs, and 429,460 385 series big blocks. 5/8-18 x 2 inch long heat treated black oxide coated Grade 8 alloy steel with a thick parallel ground washer to provide accurate, uniform torque.

Product Features:
  • Heat treated black oxide coated Grade 8 alloy steel
  • Thick parallel ground washer provides more accurate, uniform torque
  • Hex Prevents Socket Slippage
  • Accurate And Uniform Torque
  • Black Plated Finish
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Competition Cams – High Energy/Marine 218/218 Hydraulic Flat Cam and Lifter Kit for Ford 429,460 (Part No.CL34-227-4)

High Energy/Marine 218/218 Hydraulic Flat Cam and Lifter Kit for Ford 429,460

from

$426.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications. Offering

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
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Edelbrock – Pushrod Set for Ford 289-302 (Part No.9655)

Pushrod Set for Ford 289-302

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$208.99
Edelbrock part #9655 Pushrods are designed for small-block Ford 289-302 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 precis

Product Features:
  • 6.4 in. Length
  • 0.312 in. Diameter
  • 4130 Chromoly Steel Material
  • Black Oxide Finish
  • Made In The USA
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Spectre – Water Neck (Part No.4232)

Water Neck

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$23.99
Spectre’s Ford small block water neck fits 1965 – 19475 Ford 221, 289, 302 and 351W 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 the bolts and sealing O-ring, and also features a 1/2 inch outside diameter by-pass hose connection.

Product Features:
  • Fits 1965 – 19475 Ford 221, 289, 302 and 351W engines
  • Includes bolts and sealing O-ring
  • Has additional 1/2 inch by-pass hose fitting
  • Chrome plated
  • Designed for OEM fit
  • Easy to install
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Edelbrock – Front Timing Cover Gasket Set #6991 For Small-Block Ford, With Front Seal (Part No.6991)

Front Timing Cover Gasket Set #6991 For Small-Block Ford, With Front Seal

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$28.99
Available in kits including front cover gasket, crankshaft seal, fuel pump and water pump gasket or including cover gasket and front seal.

Product Features:
  • Timing Cover Gasket And Oil Seal Kit
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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

from

$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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FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1613)

Engine Valve Cover Gasket Set

from

$27.49
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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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)

Performer Series Retainer (Qty 16)

from

$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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Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

from

$26.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 180 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
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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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B & M – Torque Converter, Tork Master 2000 (Part No.40427)

Torque Converter, Tork Master 2000

from

$349.99
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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Mr. Gasket – Super Intake Manifold Bolts (Part No.6082)

Super Intake Manifold Bolts

from

$43.99
Super Intake Manifold Bolts

Edelbrock – Performer 390 Intake Manifold for Ford FE, Polished Finish (Part No.21051)

Performer 390 Intake Manifold for Ford FE, Polished Finish

from

$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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Competition Cams – Ultra-Gold ARC Rocker Set w/ 1.6 Ratio for Ford 289-351W w/ 3/8" Stud (Part No.19043-16)

Ultra-Gold ARC Rocker Set w/ 1.6 Ratio for Ford 289-351W w/ 3/8" Stud

from

$427.99
These COMP Cams Ultra-Gold Aluminum Roller Rocker Arms with a 3/8″ stud diameter and 1.6 ratio are designed for Ford V8 289-302-351W applications. The new modern design features of these Ultra-Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra-Gold Aluminum Rocker Arms are precision CNC-machined to strict tolerances. Developed to meet the demands of professional engine builders, these rockers include features never before possible in an aluminum rocker arm.

Product Features:
  • CNC-machined, lightweight design removes weight and yields unrivaled quality and ratio accuracy
  • Designed for high performance street and race engines
  • Precision-sorted trunion bearings withstand elevated valve spring pressure and valve lift
  • Additional clearance, up to 1.650″ O.D. valve spring
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Mr. Gasket – Ultra Seal: Sure-Lock Rocker Arm Nuts (Part No.923G)

Ultra Seal: Sure-Lock Rocker Arm Nuts

from

$87.19
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:
  • (16) Rocker Arm Nuts w/ Locks 3/8″-24 Threads
  • Shank O.D. .540″
  • Includes Locks and Hex Wrench
  • High-Quality Grade Steel
  • Heat-Treated For Ex Strength
  • Plated With Durable Gold Tone Finish
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2948)

Engine Crankshaft Seal Kit

from

$49.99
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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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2941)

Engine Crankshaft Seal Kit

from

$48.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • PTFE offers the best in fluid and high-temperature compatibility and contact sealing surface can run on undersize shafts, seal minor imperfections and virtually eliminate shaft wear.
  • 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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Edelbrock – Water Pump Ford 1965-67 289 cid (Part No.8842)

Water Pump Ford 1965-67 289 cid

from

$285.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in one direction for optimum efficiency. In the early days of the automotive performance industry, you either ran what was available, or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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Edelbrock – Water Pump for Small-Block Ford 1970-79 351C and 351M/400 in Polished Finish (Part No.8849)

Water Pump for Small-Block Ford 1970-79 351C and 351M/400 in Polished Finish

from

$451.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in one direction for optimum efficiency. In the early days of the automotive performance industry, you either ran what was available, or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7808)

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 – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7821)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$81.99


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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Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam for Ford 221-302 (Part No.31-238-3)

Xtreme Energy 218/224 Hydraulic Flat Cam for Ford 221-302

from

$257.99
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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Competition Cams – Xtreme Energy 240/246 Hydraulic Flat Cam for Ford 351W (Part No.35-250-4)

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

from

$284.99
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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Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

from

$31.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 3/8″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1811)

PERFORMANCE OIL PAN GASKET SET

from

$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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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1817)

PERFORMANCE OIL PAN GASKET SET

from

$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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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1809)

PERFORMANCE OIL PAN GASKET SET

from

$25.49
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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1974 Mercury Cougar Performance Engines

Maybe you’re in the middle of a full rebuild of that 1974 Mercury Cougar. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 67 different Performance Engines in our inventory ranging from $19.99 to $788.99. That means you can find the exact parts or products you need to keep that 1974 Mercury Cougar running smoothly.

Performance Engines are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1974 Mercury Cougar. Mr. Gasket, FEL-PRO Performance, 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 1974 Mercury Cougar, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 241 reviews in this category, some of the top rated parts include Action +Plus; Intake Manifold with 3.5 stars and Water Neck with 2.5 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1974 Mercury Cougar 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 1974 Mercury Cougar Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1974 Mercury Cougar 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 Cougar the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular Edelbrock Performance Engines

We carry Edelbrock parts in our stock across Performance Engine Intake Manifold Gaskets categories, plus more. For a 1974 Mercury Cougar, our most popular Edelbrock Performance Engines include:
Intake Manifold Gasket for 302 E-Boss & 351W E-Boss Clevor Conversions
from $28.99
(1)
Intake Manifold Gasket for 302 E-Boss & 351W E-Boss Clevor Conversions
Performance Engine Intake Manifold Gaskets

Top 1974 Mercury Cougar Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1974 Mercury Cougar. Popular Mr. Gasket parts include:
High Performance 180 Degree Thermostat for Increased Flow
from $26.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
Water Neck
from $19.99
(12)
Water Neck
Performance Water Outlets
Intake Manifold Bolts
from $19.99
(1)
Intake Manifold Bolts
Performance Intake Manifolds

FAQs for 1974 Mercury Cougar Performance Engines

What are the most purchased Performance Engines for the 1974 Mercury Cougar?

Out of 67 Performance Engines for the 1974 Mercury Cougar, the most popular in our inventory are:
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
High Performance Thermostat
from $27.49
This product is not rated
High Performance Thermostat
Performance Engine Coolant Thermostats
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $51.99
(2)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets

What are the top-rated 1974 Mercury Cougar Performance Engines?

Top-rated Performance Engines for your 1974 Mercury Cougar based on customer reviews/ratings are:
Action +Plus; Intake Manifold
from $349.99
(2)
Action +Plus; Intake Manifold
“Nice clean intake lookes better than edelbrock”
Water Neck
from $23.99
(2)
Water Neck
“Light Weight”
High-Rise Dual Plane Intake Manifold for Maximum Torque
from $359.99
(1)
High-Rise Dual Plane Intake Manifold for Maximum Torque
“used on my 1987 ford f-250 for a replacement, it was relatively light and easy to install, i have no complaints about it.”