1971 Plymouth Duster – Curious Yellow Mopar with a 400+ HP Crate 360 V8

This 1971 Plymouth Duster is a classic American muscle car that’s been meticulously updated to deliver a serious driving experience while keeping its vintage character intact. Finished in striking Curious Yellow over a well-preserved tan interior, it pairs bold period color with genuine modern performance under the hood. A Mopar High Performance Crate 360 V8 makes 400+ horsepower, and the original broadcast sheet documents a select few factory options — giving this Duster both authenticity and punch.

Performance & Drivetrain

Mopar High Performance Crate 360 V8 — built for both power and reliability, making 400+ horsepower
Holley 750 CFM 4-barrel carburetor — strong, responsive fueling for serious throttle response
Edelbrock aluminum intake manifold — improved airflow and a sharper top-end
High-performance headers — better breathing and a menacing exhaust growl
904 3-speed automatic transmission — performance-built and paired with a 2700 stall converter for stronger launches
8¾ Sure Grip rear end with 3.55 gears — the right balance between explosive acceleration and comfortable cruising
Aluminum radiator — keeps temperatures in check even during spirited driving

Exterior Features

Striking Curious Yellow paint — a bold color that pays homage to the muscle car era and amplifies the Duster’s aggressive presence
Cohesive presentation that pairs the vibrant exterior with the tan interior for an eye-catching, period-correct look

Interior Features

Well-preserved tan vinyl interior — comfort and classic charm in equal measure
Spacious bench seat — roomy and true to the car’s heritage
Factory radio delete — a clean, purposeful dash layout
Lap seatbelts — period-correct safety
Original factory dash cover — a nostalgic, authentic touch

Chassis & Equipment

Front disc brakes with rear 9-inch drums — superior, manageable stopping power for a car with this much performance
8¾ Sure Grip rear end — a stout, proven Mopar unit built to handle the power
Updated for performance throughout while preserving the Duster’s classic foundation

Ownership & Documentation

Original broadcast sheet included — documenting authenticity and a select few factory options
Located in St. Louis, Missouri
A genuine 1971 Plymouth Duster that blends documented origins with thoughtful, performance-focused updates

The Driving Experience

The Crate 360 V8, Holley carburetor, and high-performance headers combine for the kind of muscle-car experience this Duster was built to deliver — strong pull, a deep growl, and 400+ horsepower on tap
The 904 automatic with a 2700 stall converter and 3.55 Sure Grip gears makes every launch feel immediate, while still cruising comfortably on the open road
Front disc brakes keep the performance safe and manageable, and the aluminum radiator keeps things cool when you push it
Inside, the preserved tan interior, bench seat, and original factory touches keep the experience steeped in authentic 1970s Mopar character