Dodge D300 Performance Engines

Your One-Stop Shop For Trusted Dodge D300 Performance Engines

If you’re in search of Dodge D300 Performance Engines aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 171 Performance Engines from top brands with prices ranging from $7.99 to $1,575.99.

Beyond great prices, we stock trusted brands manufacturing all types of Performance Engines for your Dodge D300.

And don’t forget to read customer reviews across all Performance Engines categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Performance Engines have to cost top dollar, and we prove it. Browse our top Dodge D300 Performance Engines below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Dodge D300 Performance Engines

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

High Performance Thermostat - 160 Degree Brass & Copper

from

$29.49
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
  • 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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Mr. Gasket – Intake Gasket (Part No.307G)

Intake Gasket

from

$48.99
Mr. Gasket Performance 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. Complete with manifold end seals and distributor gasket (where applicable). For original equipment replacement, high performance street, drag race and oval track.

Product Features:
  • Manufactured from cellulose/nitrile composition gasket material
  • Provides excellent sealing and durability
  • Can be trimmed if necessary for modified port applications
  • Complete with manifold end seals and distributor gasket where applicable
  • For OE replacement, high performance street, drag race and oval track use
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Mr. Gasket – Head Gasket (Part No.1135G)

Head Gasket

from

$44.99
Mr. Gasket Steel Shim Cylinder Head Gaskets are for high performance street machines, drag racing and oval track racing. With today’s extreme compression ratios you need stronger more durable gaskets. Mr. Gasket steel shim gaskets are made from .020 inch steel shim stock which is thinner than most composite gaskets increasing engine compression. Stress formed embossments will seal the extreme cylinder pressure.

Product Features:
  • Manufactured from .020″ steel shim stock.
  • Thinner than composition head gaskets – increases engine compression.
  • Stress formed embossments seal extreme cylinder pressures.
  • For high performance street, drag race and oval track use.
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Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Roller Cam (Part No.20-601-9)

Mutha' Thumpr 235/249 Hydraulic Roller Cam

from

$531.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Best with aftermarket converters and more rear gear.
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
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FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1608)

Engine Valve Cover Gasket Set

from

$37.49
Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1808)

PERFORMANCE OIL PAN GASKET SET

from

$18.49
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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Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

from

$33.99
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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Mr. Gasket – Intake Manifold Bolt Set – Chevrolet Small Block – Socket Head 3/8"-16 X 1" Bolts & Washers (Part No.956G)

Intake Manifold Bolt Set - Chevrolet Small Block - Socket Head 3/8"-16 X 1" Bolts & Washers

from

$20.99
These grade 5 hex head bolts are brite zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes twelve (12) 3/8 inch-16 x 1 inch bolts & washers

Product Features:
  • Zinc plated to resist corrosion and provide a clean professional appearance
  • Made from Grade 5 steel for strength and durability
  • Flat washers provide uniform clamp load and prevent galling on aluminum intake manifolds
  • Allen (socket) Head
  • Zinc Plated For Protection
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Mr. Gasket – Precision Timing Tape (Part No.1593)

Precision Timing Tape

from

$21.99
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 – Rear Main Seal Gasket (Part No.1968)

Rear Main Seal Gasket

from

$49.99
This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It’s also injection molded for a precise fit.

Product Features:
  • Repairs That Leaky Rear Main Sail
  • Silicone Rubber to Withstand Extreme Engine Oil Temperatures
  • Upgrade for Rope Seal Equipped Cars or Direct Replacement for Rubber Main Seal
  • Injection Molded for Precise Fit
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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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Competition Cams – Xtreme Energy 230/236 Hydraulic Flat Cam K-Kit (Part No.K21-224-4)

Xtreme Energy 230/236 Hydraulic Flat Cam K-Kit

from

$654.99
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 – High Energy 218/218 Hydraulic Flat Cam K-Kit (Part No.K20-212-2)

High Energy 218/218 Hydraulic Flat Cam K-Kit

from

$1398.99
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.

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 – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7805)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$117.99
Edelbrock part #7805 Performer-Link timing chain is for use with Edelbrock or stock cams. They have a solid-bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. Cam sprockets are made from 35,000 psi tensile s

Product Features:
  • Keyway Adjustable
  • Double Roller Timing Chain Type
  • Induction Hardened Billet Steel Material
  • No Machining Required
  • Includes Solid Bushing Chain
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Mr. Gasket – Advance And Retard Cam Bushings (Part No.85)

Advance And Retard Cam Bushings

from

$48.99
With Mr. Gasket cam degree bushings you fine tune the camshaft timing of your engine to as little as 1 degree. Even aftermarket timing sets with multiple keyways can’t give the range of adjustment these bushings allow. Retard your camshaft to lower the powerband for more low end torque and midrange horsepower, or advance for more top end power. This kit does even number adjustment 0-8 degrees.

Product Features:
  • Advance the cam for increased torque and horsepower
  • Tune your powerband for more end torque or increase top end horsepower
  • Includes (4) offset bushings and (1) 0 degree bushing
  • Cam sprocket dowel pin hole must be drilled to .406¿ (13/32¿) dia.
  • Cam sprocket dowel pin hole must be drilled to .406┐ (13/32┐) dia.
  • Increase Top-End Horsepower
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B & M – Torque Converter, Holeshot 3000 (Part No.10425)

Torque Converter, Holeshot 3000

from

$999.99
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, Tork Master 2400 (Part No.10417)

Torque Converter, Tork Master 2400

from

$449.99
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, Holeshot 2400 (Part No.10415)

Torque Converter, Holeshot 2400

from

$549.99
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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Edelbrock – Torker II 340/360 Small Block Chrysler Intake Manifold (Part No.5076)

Torker II 340/360 Small Block Chrysler Intake Manifold

from

$447.99
2500-6500 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. Not for mileage or emissions applications. Can be used on 318 cid if 340/360 heads used. Available in cast or polished.

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
  • Not for Mileage or Emissions Applications
  • Can be Used on 318 cid if 340/360 Heads Used
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Edelbrock – RPM Air-Gap Small Block Chrysler Intake Manifold (Part No.7576)

RPM Air-Gap Small Block Chrysler Intake Manifold

from

$497.99
Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM. Dual-plane high-rise intake. Accepts early-style waterneck only. Non-EGR. Mopar 340-360. 4 bbl carb. For street and high pe

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
  • Dual-Plane High-Rise Intake
  • Accepts Early-Style Waterneck
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Edelbrock – CH-6B Six-Pack Intake Manifold for Chrysler RB Series Engines (Part No.2475)

CH-6B Six-Pack Intake Manifold for Chrysler RB Series Engines

from

$679.99
Designed for 440 c.i.d. Chrysler engines with 3×2-bbl, carbs, also fits 413 and 426 Wedge. #2475 is stock replacement/street legal part for 440 V8s with OEM 3×2-bbl. carbs; 1968-71. This manifold was original equipment on Chrysler 440 Six-Pack engines, Chrysler #P04529056. Will not fit 1962-64 Max Wedge heads.

Product Features:
  • Famous 6-Pack Intake
  • OEM For Factory Six Pack Engines
  • Designed for 2500 to 6500 RPM Performance
  • Manifold has a Balanced 180+ Firing Order
  • Smooth and Consistent Part-Throttle Power
  • Offers Excellent Performance Potential
  • Match with Other Dual-Quad Items for Total Package
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Performance Engines Brands You Can Trust For Your Dodge D300

5 trusted brands of Performance Engines line our shelves, ready to help keep your Dodge D300 running smooth. Below are some of the most popular brands and their top Performance Engines offerings:

Top Dodge D300 Performance Engines from Mr. Gasket

Your Dodge D300 will be purring again thanks to Mr. Gasket brand Performance Engines available for online order or in-store pick up. Popular Mr. Gasket parts include:
High Performance 180 Degree Thermostat for Increased Flow
from $29.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
High Performance Thermostat - 160 Degree Brass & Copper
from $29.49
(12)
High Performance Thermostat – 160 Degree Brass & Copper
Performance Engine Coolant Thermostats
Valve Cover Gasket Set
from $41.99
(2)
Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets

Most Purchased Dodge D300 Performance Engines from Mr. Gasket

When you buy the most frequently purchased Mr. Gasket brand Performance Engines, you can be confident it will be the right part for your Dodge D300. Here are the Mr. Gasket Performance Engines Advanced Auto customers buy the most:
High Performance 180 Degree Thermostat for Increased Flow
from $29.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
High Performance Thermostat - 160 Degree Brass & Copper
from $29.49
(12)
High Performance Thermostat – 160 Degree Brass & Copper
Performance Engine Coolant Thermostats
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

FAQs for Dodge D300 Performance Engines

What are the most purchased Performance Engines for the Dodge D300?

Out of 171 Performance Engines for the Dodge D300, the most popular in our inventory are:
High Performance Thermostat
from $31.99
This product is not rated
High Performance Thermostat
Performance Engine Coolant Thermostats
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
Lower Intake Manifold Gasket Set: 6 Piece Set
from $36.99
This product is not rated
Lower Intake Manifold Gasket Set: 6 Piece Set
Performance Engine Intake Manifold Gaskets

What are the top-rated Dodge D300 Performance Engines?

Top-rated Performance Engines for your Dodge D300 based on customer reviews/ratings are:
PERFORMANCE OIL PAN GASKET SET
from $18.49
(3)
PERFORMANCE OIL PAN GASKET SET
“Great gasket compared to cork. Much more durable but still inexpensive.”
Performance Valve Cover Gasket Set
from $18.99
(2)
Performance Valve Cover Gasket Set
“fits 1964-1991 with 5 bolts, rubber gasket lasts”
VALVE SEALS, TEFLON 3/8" 1 ST
from $33.99
(1)
VALVE SEALS, TEFLON 3/8" 1 ST
“As good as OEM.”