1966 Chrysler 300 Performance Engines

Essential 1966 Chrysler 300 Performance Engines

Mr. Gasket – High Performance Thermostat (Part No.4366)

High Performance Thermostat

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$25.99
These high performance thermostats are designed to resist large variations in coolant pressures that occur at high RPM’s where coolant temperature and coolant pressure fight for control of the thermostat keeping it from opening at its designated temperature. The balanced HP thermostat features all brass and copper construction, and opens at the right temperature regardless of engine RPM.

Product Features:
  • High performance
  • Resists variations in coolant
  • Brass and copper construction
  • Opens at right temperature
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Mr. Gasket – High Performance Thermostat (Part No.4367)

High Performance Thermostat

from

$26.99
These high performance thermostats are designed to resist large variations in coolant pressures that occur at high RPM’s where coolant temperature and coolant pressure fight for control of the thermostat keeping it from opening at its designated temperature. The balanced HP thermostat features all brass and copper construction, and opens at the right temperature regardless of engine RPM.

Product Features:
  • High performance
  • Resists variations in coolant
  • Brass and copper construction
  • Opens at right temperature
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Edelbrock – Big-Block Chrysler E-Street Cylinder Heads 84cc (Part No.5093)

Big-Block Chrysler E-Street Cylinder Heads 84cc

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$2198.99
The Edelbrock #5093 E-Street cylinder heads are designed for use with 1961-1979 Chrysler 361-440 c.i.d. Wedge engine applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads featur

Product Features:
  • Complete Pair For Hydraulic Flat Tappet
  • 84cc Combustion Chamber Volume
  • 210cc Intake/70cc Exhaust Runner Volume
  • 2.14 in. Intake/1.81 in. Exhaust Valve Diameter
  • 0.625 in. Deck Thickness
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Edelbrock – Cylinder Head Gasket Set for Chrysler (Part No.7325)

Cylinder Head Gasket Set for Chrysler

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$72.99
Product Features:
  • Cylinder Head Gasket
  • 1958-1979 361-383-400-413-426
  • Not For Hemi
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1106)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$142.99
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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FEL-PRO Performance – Performance Valve Cover Gasket Set (Part No.1611)

Performance Valve Cover Gasket Set

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$20.29
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 – Valve Cover Gasket Set for Chrysler (Part No.7591)

Valve Cover Gasket Set for Chrysler

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$44.99
Product Features:
  • 0.1875 in. Thickness
  • Core-Reinforced-Composite Material
  • For Late Model 1963-1980 BB Chrysler W/ 6-Bolt Valve Covers
  • Set of 2
  • Made In The USA
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1808)

PERFORMANCE OIL PAN GASKET SET

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$17.29
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 – Oil Pan Gasket (Part No.397)

Oil Pan Gasket

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$35.99
Manufactured from high-density cork and rubber blend gasket material. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For OE replacement and high performance street.

Product Features:
  • One-piece design
  • Eliminates potential leaks
  • Prevents over tightening
  • Prevents torque loss
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 8 Piece Set (Part No.1215)

Lower Intake Manifold Gasket Set: 8 Piece Set

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$49.99
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 – Lower Intake Manifold Gasket Set: 4 Piece Set (Part No.1234)

Lower Intake Manifold Gasket Set: 4 Piece Set

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$34.49
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.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Intake Gasket (Part No.301)

Intake Gasket

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$30.99
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:
  • Forms an airtight leak proof seal
  • Precision die cut for excellent seal and fit
  • Can be trimmed to meet your specifications
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Spectre – Water Neck; Chrysler (Part No.4739)

Water Neck; Chrysler

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$23.79
Spectre’s Chrysler water neck fits 1964 and later Chrysler V8 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 1964 and later Chrysler V8 engines
  • Includes bolts
  • Chrome plated
  • Easy to install
  • O-ring/gasket not included
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Weiand – Supercharger Remote Thermostat Housing (Part No.7132WIN)

Supercharger Remote Thermostat Housing

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$389.99


Product Features:
  • Remote Thermostat Housing
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Edelbrock – Performer 383; Intake Manifold (Part No.21861)

Performer 383; Intake Manifold

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$524.99


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 – CH-28 Dual-Quad; Intake Manifold (Part No.54401)

CH-28 Dual-Quad; Intake Manifold

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$608.99


Product Features:
  • Designed for 1500 to 6000 RPM Performance
  • Manifold has a Balanced 180+ Firing Order
  • Smooth and Consistent Part-Throttle Power
  • Offers Excellent Performance Potential
  • Carburetor Center-To-Center Dimensions 6.4375 in
  • Match with Other Dual-Quad Items for Total Package
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Mr. Gasket – Intake Manifold Bolts (Part No.6091)

Intake Manifold Bolts

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$29.99
Choose from grade 5 hex or socket head intake bolts or grade 8 bolts with twelve point smaller-than-standard head and flange, ideal for where space is minimal. Bolts and washers are bright zinc plated for protection and appearance.

Product Features:
  • Grade 8 Material
  • Extra Thick Flat Washers
  • Ideal For Minimal Space
  • 12-pt Head And Flange
  • Zinc Plated For Protection
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7804)

Performer-Link Adjustable True-Roller Timing Chain Set

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$96.99


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-Plus camshaft for Big-Block Chrysler 383-400-440 V-8 (Part No.2192)

Performer-Plus camshaft for Big-Block Chrysler 383-400-440 V-8

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$422.99


Product Features:
  • Designed for Optimum Torque and Acceleration
  • Maximum Performance From Idle through Mid-Range
  • Matched to Edelbrock Performer Intakes
  • Includes Hydraulic Lifters and Assembly Lube
  • Major Improvement in Throttle Response and Torque
  • Use For Daily Drivers/Trucks/Vans/RVs/4x4s
  • Take The Guesswork Out Of Camshaft Selection
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Competition Cams – Magnum 224/224 Hydraulic Flat Cam and Lifter Kit for Chrysler 383-440 (Part No.CL21-306-4)

Magnum 224/224 Hydraulic Flat Cam and Lifter Kit for Chrysler 383-440

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$409.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts. Ideal for use with higher compression ratio engines that

Product Features:
  • Best with aftermarket torque converters and 9.5:1 compression.
  • Great high RPM power.
  • Easy on valve train parts.
  • Can be used with mild ratio rocker arms and traditional performance valve springs.
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Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam K-Kit for Chrysler 383-440 (Part No.K21-223-4)

Xtreme Energy 224/230 Hydraulic Flat Cam K-Kit for Chrysler 383-440

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$645.99
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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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2947)

Engine Crankshaft Seal Kit

from

$48.99
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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1966 Chrysler 300 Performance Engines

Maybe you’re in the middle of a full rebuild of that 1966 Chrysler 300. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 29 different Performance Engines in our inventory ranging from $17.29 to $2,198.99. That means you can find the exact parts or products you need to keep that 1966 Chrysler 300 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 1966 Chrysler 300. FEL-PRO Performance, Mr. Gasket, and Spectre 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 1966 Chrysler 300, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 56 reviews in this category, some of the top rated parts include Water Neck; Chrysler with 3.3 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1966 Chrysler 300 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 1966 Chrysler 300 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 Chrysler 300 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 300 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 Cylinder Head Gaskets categories, plus more. For a 1966 Chrysler 300, our most popular Edelbrock Performance Engines include:
Cylinder Head Gasket Set for Chrysler
from $72.99
(1)
Cylinder Head Gasket Set for Chrysler
Performance Engine Cylinder Head Gaskets

Top 1966 Chrysler 300 Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1966 Chrysler 300. Popular Mr. Gasket parts include:
Intake Manifold Bolts
from $29.99
(5)
Intake Manifold Bolts
Performance Intake Manifolds

FAQs for 1966 Chrysler 300 Performance Engines

What are the most purchased Performance Engines for the 1966 Chrysler 300?

Out of 29 Performance Engines for the 1966 Chrysler 300, the most popular in our inventory are:
High Performance Thermostat
from $26.99
This product is not rated
High Performance Thermostat
Performance Engine Coolant Thermostats
PERFORMANCE OIL PAN GASKET SET
from $17.29
(3)
PERFORMANCE OIL PAN GASKET SET
Performance Engine Oil Pan Gaskets
Lower Intake Manifold Gasket Set: 8 Piece Set
from $46.99
This product is not rated
Lower Intake Manifold Gasket Set: 8 Piece Set
Performance Engine Intake Manifold Gaskets

What are the top-rated 1966 Chrysler 300 Performance Engines?

Top-rated Performance Engines for your 1966 Chrysler 300 based on customer reviews/ratings are:
Water Neck; Chrysler
from $23.79
(3)
Water Neck; Chrysler
“Very nice affordable replacement”