1970 Ford Mustang BOSS 429 Pro-Street Beast

Offered price: $79,900

1970 Ford Mustang BOSS 429 Pro-Street Beast

BOSS 429 Pro-Street Beast
Mach 1
4 Speed
Engine Size:
Ext Color:
Int Color:

1500 Locust Street Des Moines, IA 50309515-245-9100

Fire breathing Red, Boss 429 Pro-steet 1970 Ford fastback Mustang with a 4 speed and a bad attitude. Over $25000 spent on the engine and heads alone.  This is not a Z-code, quarter million dollar plus, Boss 429 Mustang, it is much meaner and is offered at a fraction of the price. Under the hood of this Mustang stallion is a bigger, badder, 545ci Ford Racing big-block V8 engine topped off with aluminum Boss 429 aluminum heads. A gas guzzling Holley Dominator 4 barrel carburetor perched on a high-rise intake manifold, MSD ignition, tubular headers dumping into heavy duty, large capacity, performance dual exhaust. This steet beast started as a factory 1970 Mach 1 and comes with many Mach 1 amenities: fog-light grille, lower aluminum trim, black hood stripe and black rear panel. The interior is a very nice black with Comfortweave bucket seats, woodgrain trim, console and 3 spoke steering wheel and aftermarket air conditioning. Classic visuals include the front spoiler, rear-window slats, rear spoiler and Shaker hood scoop adapted to the 545. The Mach 1 is also equipped with a 4 speed transmission with Hurst T-handle shifter, 4 wheel disc brakes, Hydroboost
Power brake system mounted in the trunk. Powermaster alternator, Alumnium radiatior and Boss badging added. This American Street beast is rolling on chrom Magnum 500 wheels wrapped in BF Goodrich white letter radial T/A tires.  


  • Factory 1970 Mach 1
  • Shaker hood scoop
  • Tinted glass
  • Rear window slats
  • Front and rear spoilers
  • Fog light grille
  • Magnum 500 wheels
  • BF Goodrich radial tires
  • Boss 429 fender badging


  • Hurst T-handle shifter
  • Deluxe black interior
  • Comfortweave bucket seats
  • Woodgrain trim
  • Console
  • 3-spoke steering wheel


  • Built 545 ci Ford Racing V8 engine with Boss 429 badging
  • Hi-Rise aluminum intake manifold
  • 4 speed top loader transmission 1968 date code
  • Holley Dominator 1050 cfm 4bbl carburetor
  • Alan Root aluminum heads
  • Powermaster alternator
  • Vintage air conditioning
  • Aluminum radiator
  • HSD ignition
  • Headers and dual exhaust
  • 4 wheel disc brakes 
  • Hydroboost power brake system mounted in the trunk. 


  • Amazing metal structure and attention to detail
  • HEIDT's rack and pinion steering system
  • Coil over shocks front and back
  • Frame connectors and stabilizer bar between the frames
  • Bulletproofed 9" rearend with posi and 3.55 gears
  • Front and rear heavy duty stabilizer bar

Wikipedia Information
"The Mustang created the "pony car" class of American muscle cars, affordable sporty coupoes with long hoods and short rear decks, and gave rise to competitors such as the Chevrolet Camaro,, Pontiac Firebird, AMC Javelin, Chrysler's revamped Plymouth Barrachuda, and the second generation Dodge Challenger. The Mustang is also credited for inspiring the designs of coups such as the Toyota Celica and Ford Capri, which were imported to the United States."
"Mustangs grew larger and heavier with each model year until, in response to the 19711973 models, Ford returned the car to its original size and concept for 1974. It has since seen several platform generations and designs. Although some other pony cars have seen a revival, the Mustang is the only original model to remain in uninterrupted production over five decades of development and revision."
"Starting in 1969, to aid sales and continue the winning formula of the Mustang, a variety of new performance and decorative options became available, including functional (and non-functional) air scoops, cable and pin hood tie downs, and both wing and chin spoilers. Additionally, a variety of performance packages were introduced that included the Mach 1, the Boss 302, and Boss 429. The two Boss models were to homologate the engines for racing. The 1969 Mustang was the last year for the GT option (although it did return on the 3rd Generation Mustang for the 1982 Model Year). A fourth model available only as a hardtop, the Grande, saw success starting in 1969 with its soft ride, "luxurious" trim, 55 pounds (24.9 kg) of extra sound deadening, and simulated wood trim."

American Dream Machines
At American Dream Machines, we typically have over 100 quailty classic cars and trucks in stock and for sale. We have everything from Corvettes to Cadillacs, Camaros, Mustangs, Mopars, GTOs, Chevelles, Bel Airs, Blazers and exotic sports cars. Our classics and muscle cars range from the 1950s to the 1970s. Our inventory is diverse and continuously changing and always growing! Our #1 Goal is to make you, our customer happy with the American classic and muscle cars we offer. We highly recommend that ALL CUSTOMERS call our knowledgeable, experienced staff and with Midwest values and have very detailed discussions regarding overall condition of any of our classics that you are considering getting in the drivers seat of. Our phone number is (515)-245-9100 and we are centrally located in the heartland of America, in Des Moines Iowa.  American Dream Machines occupies the historic 41,000 square foot Packard Dealership. We are one of the largest full service classic car dealerships in the Midwest. We have over 10 active Mechanic hoists, a body shop and detail bays that are used by our technicians to inspect, repair, upgrade and detail our cars so that they are ready to be delivered to your driveway. Please give us a call and we will be happy to help get your dream car to almost any location worldwide! ALL OF OUR PICTURES AND VIDEOS ARE REAL, ALL THE WAY AROUND! We photograph our cars in our professional photo studio for the best possible image accuracy and representation of the cars. We do this because of our commitment to the authenticity and quality of the cars we sell and commitment to our customers. We are very proud of the name American Dream Machines and it is a registered trademark for our company.
security code

1500 Locust Street Des Moines, IA 50309

Showroom 515-245-9100

8:00am to 5:00pm
8:00am to 5:00pm
8:00am to 5:00pm
8:00am to 5:00pm
8:00am to 5:00pm
10:00am to 2:00pm
By Appointment Only
By Appointment Only

Make the most of your shopping experience by creating
an account. You can:

Access your saved cars on any device.
Receive Price Alert emails when price changes,
new offers become available or a vehicle is sold.
First Name*
Last Name*
Enter the email address you used when creating the account and click Send button. A message will be sent to that address containing a new password.