1968 Chrysler 300 Performance Engines

Essential 1968 Chrysler 300 Performance Engines

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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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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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 – Water Pump #8814 For 1958-79 BB Chrysler 361-440, Standard Rotation, Satin (Part No.8814)

Water Pump #8814 For 1958-79 BB Chrysler 361-440, Standard Rotation, Satin

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$237.99
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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B & M – Torque Converter, Holeshot 2400 (Part No.10415)

Torque Converter, Holeshot 2400

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$499.99
The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some Holeshots.

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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B & M – Torque Converter, Holeshot 3000 (Part No.10425)

Torque Converter, Holeshot 3000

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$879.99
The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some Holeshots.

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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Mr. Gasket – Precision Timing Tape (Part No.1593)

Precision Timing Tape

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$18.99
Precision timing tape can be used on a factory balancer to create HP through accurate timing, and makes setting valve lash simple.

Product Features:
  • 7 1¿4″ diameter
  • 7 1┐4″ diameter
  • 383 thru 440 cu. in.
  • Increased Performance
  • Set Valve Lash At Proper Time
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Mr. Gasket – High Performance Thermostat (Part No.4366)

High Performance Thermostat

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$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 160 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Stainless Steel, Copper & Brass Construction – Resists Corrosion
  • High Flow
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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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FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1610)

Engine Valve Cover Gasket Set

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$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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Mr. Gasket – Ultra Seal: Valve Cover Gasket Set (Part No.5877)

Ultra Seal: Valve Cover Gasket Set

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$32.99
Ultra-Seal is Mr. Gasket premium valve cover gasket material. It’s manufactured from a high density cork and rubber blend with a black latex coat applied to the outside to help seal minor flange irregularites and eliminate oil leakage. It creates a positive seal by controlled swelling of the gasket material when exposed to hot oil. For original equipment replacement, high performance street, drag race and oval track use. Sold as a pair, these gaskets are .187 inch thick.

Product Features:
  • Manufactured from high-density cork /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
  • For OE replacement, high performance street, drag race and oval track
  • .187″ thick
  • Handles Ex Flange Pressure
  • Forms Leak Proof Seal
  • Black Latex Coating
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Mr. Gasket – Intake Manifold Bolts (Part No.6091)

Intake Manifold Bolts

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$32.09
These special Grade 8 intake manifold bolts feature a 12-point smaller-than-standard head and flange, and include special extra thick flat washers for optimum clamping pressures. They’re ideal for use where space is minimal, typical on larger runner race manifolds. These bolts and washers are bright zinc plated for protection and good looks.

Product Features:
  • Features 12-point Smaller-than-standard Bolt Head
  • Thick Flat Washers Distribute Optimum Clamp Load
  • Ideal Use Where Space Is Minimal On Race Manifolds
  • Bolts And Washers Zinc Plated For Protection
  • Zinc Plated For Protection
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Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

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$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 – Lower Intake Manifold Gasket Set: 4 Piece Set (Part No.1216)

Lower Intake Manifold Gasket Set: 4 Piece Set

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$27.49
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 – Lower Intake Manifold Gasket Set: 8 Piece Set (Part No.1215)

Lower Intake Manifold Gasket Set: 8 Piece Set

from

$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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Mr. Gasket – Intake Gasket (Part No.301)

Intake Gasket

from

$36.49
Mr. Gasket Performance Series intake gaskets are manufactured from cellulose/nitrile composition gasket material. They provide excellent sealing and durability. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track.

Product Features:
  • Performance Material – Cellulose/Nitrile Composition
  • .060″ Thick
  • Can Be Trimmed To Meet Your Specifications
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 8 Piece Set (Part No.1214)

Lower Intake Manifold Gasket Set: 8 Piece Set

from

$46.99
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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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7804)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$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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1968 Chrysler 300 Performance Engines

Maybe you’re in the middle of a full rebuild of that 1968 Chrysler 300. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 14 different Performance Engines in our inventory ranging from $18.99 to $2,198.99. That means you can find the exact parts or products you need to keep that 1968 Chrysler 300 running smoothly.

Performance Engines are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 1968 Chrysler 300. Mr. Gasket, Competition Cams, and B & M 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 1968 Chrysler 300, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Performance Engines to keep your 1968 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 1968 Chrysler 300 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1968 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 Competition Cams Performance Engines

We carry Competition Cams parts in our stock across Performance Engine Valve Stem Seal Sets categories, plus more. For a 1968 Chrysler 300, our most popular Competition Cams Performance Engines include:
VALVE SEALS, TEFLON 3/8" 1 ST
from $31.99
(1)
VALVE SEALS, TEFLON 3/8" 1 ST
Performance Engine Valve Stem Seal Sets

Top 1968 Chrysler 300 Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1968 Chrysler 300. Popular Mr. Gasket parts include:
Intake Manifold Bolts
from $32.09
(5)
Intake Manifold Bolts
Performance Intake Manifold Hardware
Ultra Seal: Valve Cover Gasket Set
from $32.99
(1)
Ultra Seal: Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets

FAQs for 1968 Chrysler 300 Performance Engines

What are the most purchased Performance Engines for the 1968 Chrysler 300?

Out of 14 Performance Engines for the 1968 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
Intake Gasket
from $36.49
This product is not rated
Intake Gasket
Performance Engine Intake Manifold Gaskets
Precision Timing Tape
from $18.99
This product is not rated
Precision Timing Tape
Performance Engine Harmonic Balancers