1974 Plymouth Road Runner Pro Street Supercharged

440ci Supercharged V8 | 727 TorqueFlite 3-Speed Automatic | Dyer’s Machine Blower Company Supercharger System

Extended Warranty
LOT #

251146921

Classic Car

Vehicle Price$44,999
Pre-Delivery Service Charge$1,299
Total Price$46,298
Advertised price includes the $1,299 Pre-Delivery Service Charge. Price does not include taxes, tag, registration, or other mandatory government charges.
Pending Sale
Estimated: $465.83/mo
Estimated payment assumes 20% down, 9.5% APR, and 120-month term. Actual rates may vary.
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Listing Disclaimer:
Verified Seller provides all vehicle specific information and modifications listed below. Confirm any specifics with your Exotic Car Trader Representative prior to purchase. Sales tax or other taxes, tag, title, registration fees, government fees, not included in advertised price. $1,299 Pre-Delivery Service Charge not included in advertised price.
Make:
Model:
VIN:
RM21L4R214334
Lot Number:
251146921
Condition:
Used
Odometer:
90,215 miles
(Exempt / TMU)
Engine:
440ci Supercharged V8
Drive Type:
Rear-Wheel Drive (RWD)
Transmission:
Automatic
Exterior Color:
Lime Green
Interior Color:
Black
Vinyl Wrap:
Vehicle Location:
Massachusetts
  • 1974 Plymouth Road Runner Pro Street Supercharged
  • 440ci Supercharged V8
  • Dual Holley 600 CFM Carburetors
  • Dyer’s Machine Blower Company Supercharger System
  • 727 TorqueFlite 3-Speed Automatic
  • RWD
  • Lime Green Exterior
  • Black Interior
  • Professionally Built & Balanced Big Block V8 (Estimated 800 HP)
  • Built By Dyer's Machine Blower Company
  • 93 Octane Pump Gas Compatible
  • Hydraulic Roller Valvetrain w/ Roller Rockers
  • Factory High-Performance Cylinder Heads
  • Steel Crankshaft
  • Unilite Distributor
  • Accel Ignition Coil
  • Bug Catcher Intake Setup
  • 500–600 RPM Idle Speed
  • 4-Core Aluminum Radiator
  • Dual Electric Cooling Fans
  • 15-Gallon Fuel Cell
  • Electric Fuel Pump
  • Braided Fuel Lines
  • Moroso Cool Can
  • Fuel Pressure Gauges At Carburetors
  • Reverse Manual Valve Body w/ Reverse Shift Pattern
  • 3,400 RPM Stall Converter
  • Detroit Locker Differential
  • Chassis Engineering 4-Link Rear Suspension
  • Engine Torque Safety Chain
  • Professionally Installed Subframe Connectors
  • Full Roll Cage w/ Swing-Out Side Bars
  • Line Lock System Wired To Shifter Button
  • Ceramic-Coated Hooker Competition Headers
  • 4" Aluminum Exhaust System
  • Mickey Thompson ET Street DOT-Approved 17.5" x 32.5" Rear Tires
  • Racing Bucket Seats
  • Five-Point Racing Harnesses
  • AutoMeter Gauge Package
  • Alpine Audio Head Unit
  • Audison Amplifiers
  • Trunk-Mounted Subwoofer Enclosure w/ Custom Installation
  • Rear-Mounted Battery Disconnect / Master Power Shutoff Switch
  • Current Owner Reports ~500 Miles Since Engine Build
  • Current Owner Reports ~90,000 Miles On Body
  • Current Owner Reports Original 360ci V8 & 4-Speed Car

Overview of 1974 Plymouth Road Runner Pro Street Supercharged For Sale by Owner

This 1974 Plymouth Road Runner Pro Street Supercharged is a purpose-built street-and-strip muscle car combining classic Mopar styling with serious drag racing hardware. Originally a 340ci V8, this Road Runner has been transformed with a professionally built and balanced big block powerplant featuring a Dyer’s Machine Blower Company supercharger system, dual Holley carburetors, and an estimated 800 horsepower output. Designed for high-performance driving, it pairs its supercharged engine with a reverse-pattern 727 TorqueFlite automatic transmission, Detroit Locker differential, 4-link rear suspension, and Mickey Thompson ET Street tires. Finished in a vibrant Lime Green exterior with a competition-inspired setup including a full roll cage, racing harnesses, and upgraded chassis components, this Pro Street build represents the classic era of American horsepower taken to an extreme level.

Exterior and Interior

Finished in a striking Lime Green exterior, this 1974 Road Runner features an aggressive Pro Street stance with drag-inspired modifications throughout. The wide rear tire setup, performance-focused suspension, and muscular proportions highlight its street-strip purpose. Exterior highlights include the custom high-performance build, ceramic-coated Hooker Competition headers, 4-inch aluminum exhaust system, and rear-mounted battery disconnect system. The cabin has been outfitted with a driver-focused racing configuration while retaining street usability. Features include racing bucket seats, five-point racing harnesses, a full roll cage with swing-out side bars, AutoMeter gauge package, and a custom Alpine and Audison audio system with trunk-mounted subwoofer enclosure. The interior reflects the car’s dual personality as both a show-quality Pro Street build and a serious performance machine.

Engine

Power comes from a professionally built and balanced 440ci supercharged V8 producing an estimated 800 horsepower. Built by Dyer’s Machine Blower Company, the engine features a Dyer’s supercharger system, dual Holley 600 CFM carburetors, Bug Catcher intake setup, hydraulic roller valvetrain, roller rockers, factory high-performance cylinder heads, steel crankshaft, Unilite distributor, and Accel ignition coil. Supporting upgrades include a 4-core aluminum radiator, dual electric cooling fans, 15-gallon fuel cell, electric fuel pump, braided fuel lines, Moroso Cool Can, and carburetor-mounted fuel pressure gauges. The current owner reports approximately 500 miles since the engine build. The supercharged big block is backed by a 727 TorqueFlite 3-speed automatic transmission equipped with a reverse manual valve body, reverse shift pattern, and 3,400 RPM stall converter. Power is delivered through a Detroit Locker differential and chassis setup designed for hard launches, including Chassis Engineering 4-link rear suspension, professionally installed subframe connectors, engine torque safety chain, and Mickey Thompson ET Street DOT-approved rear tires. Additional performance equipment includes a line lock system wired to the shifter button and a full chassis reinforcement package.

Walk-around Video of this Plymouth Road Runner

Passenger side photo of 1969 Plymouth Road Runner

1969 Plymouth Road Runner

Current Ask
SOLD

By 1969, the Plymouth Road Runner had firmly established itself as one of the defining muscle cars of the era, combining big-block performance with a no-nonsense attitude that appealed to enthusiasts looking for speed over luxury. This 1969 Plymouth Road Runner embodies that philosophy with its legendary 383ci V8, desirable 4-speed manual transmission, and iconic Air Grabber induction system. Showing approximately 82,962 miles, this Ivy Green classic offers the unmistakable styling, raw driving experience, and factory performance pedigree that continue to make the Road Runner one of Mopar's most celebrated creations.

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Passenger side photo of 1974 Plymouth Road Runner

1974 Plymouth Road Runner Pro Street Supercharged

Current Ask
$44,999

This 1974 Plymouth Road Runner Pro Street Supercharged is a purpose-built street-and-strip muscle car combining classic Mopar styling with serious drag racing hardware. Originally a 340ci V8, this Road Runner has been transformed with a professionally built and balanced big block powerplant featuring a Dyer’s Machine Blower Company supercharger system, dual Holley carburetors, and an estimated 800 horsepower output. Designed for high-performance driving, it pairs its supercharged engine with a reverse-pattern 727 TorqueFlite automatic transmission, Detroit Locker differential, 4-link rear suspension, and Mickey Thompson ET Street tires. Finished in a vibrant Lime Green exterior with a competition-inspired setup including a full roll cage, racing harnesses, and upgraded chassis components, this Pro Street build represents the classic era of American horsepower taken to an extreme level.

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Passenger side photo of 1968 Plymouth Road Runner

1968 Plymouth Road Runner

Current Ask
$58,999

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1949 Plymouth Deluxe P18 Business Coupe

Current Ask
$31,500

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1999 Plymouth Prowler

Current Ask
$35,500

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1949 Plymouth Deluxe PE Model Woody Wagon

Current Ask
$65,000

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1973 Triumph Stag

Current Ask
$21,500

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1961 Pontiac Bonneville Convertible

Current Ask
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Current Ask
$62,500

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