1972 Ford Mustang Mach 1 351 HO

Pony car powered by Ford 351 Cleveland H.O. V8.

Stock-presenting 1972 Ford Mustang Mach 1 351 photographed by Sicnag; used as year, model, and engine-family context rather than proof of the H.O. package

Body Mach 1 SportsRoof, body code 63R

Engine R-code 351 Cleveland H.O. V8, 275 hp SAE net reported

Drivetrain Four-speed manual; 3.91 Traction-Lok 9-inch rear reported

Reported H.O. production 398 across all Mustang body styles; exact Mach 1 subtotal unresolved

Story

1972 Ford Mustang Mach 1 351 H.O.

The 1972 351 H.O. was a distinct R-code Cleveland package, not a generic label for every 351-powered Mach 1. Reviewed references report a 275 hp SAE-net rating, four-speed manual transmission, 3.91:1 Traction-Lok 9-inch rear axle, competition-suspension context, and H.O.-specific engine hardware.

The reported 398-car total covers all 1972 Mustang body styles fitted with the 351 H.O.: 366 SportsRoofs, 19 hardtops, and 13 convertibles. The 366 SportsRoof figure includes Mach 1 and non-Mach 1 bodies, so this page does not present it as a Mach 1-only production count. Sources separately report 27,675 Mach 1s across all engines.

An R in the VIN engine position and a 63R Mach 1 body code establish the starting identity. The warranty label, invoice or Marti report, engine casting and date evidence, four-speed identification, axle tag, paint, and trim should agree. Ram Air hardware, stripes, spoilers, hood treatment, or 351 badging cannot authenticate the H.O. package by themselves.

Price history

Values

Nominal dollars from original price sheets, auction archives, and approved value references.

Original Price

A verified original price is not yet available for this car.

Values move with paperwork, originality, options, condition, venue, and body style. High bids and guide values are labeled separately from completed sales.

Reference records

Options, Colors & Components

Source-backed details for trim, chassis, production, and authenticity.

Engine Details

SAE net horsepower rating 275 hp SAE net · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · engine assembly / specification
Cylinder-head chamber configuration Open-chamber heads · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · cylinder head / specification
Piston configuration Flat-top pistons · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · piston / specification
Main-bearing block configuration Four-bolt main-bearing block · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · block / specification
Crankshaft material Nodular-iron crankshaft · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · crankshaft / specification
Connecting-rod type Forged rods · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · connecting rod / specification
Camshaft / lifter type Solid-lifter camshaft · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · camshaft / specification
Valve-cover material Aluminum valve covers · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · other / specification
Distributor type Dual-point distributor · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · distributor / specification
Intake-manifold material Aluminum intake · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · intake manifold / specification
Rev limiter Rev limiter equipped · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · ignition / specification
Carburetor model and layout Autolite 4300D spreadbore four-barrel carburetor · 1972 Mustang 351 H.O. / R-code 351 Cleveland, as reported for the H.O. package · carburetor / specification

Transmission

Factory transmission Hurst-shifted Ford Toploader four-speed manual
Factory transmission Four-speed manual (data-plate code 5; required with 351 H.O.)

Options

351 H.O. Cleveland reference for the 1972 Ford Mustang Mach 1 351 H.O.Classic Muscle · Reference illustration

R 351 4V V-8 H.O. engine option optional · performance · Data-plate decoder and article identify R-code/351 H.O.; reported as later-added and available across body styles.
Mach I Mach I SportsRoof trim/model line factory · appearance · Ford brochure lists Mach I model with 302 2V V-8 standard and optional 351 engines.
Competition Suspension Competition Suspension optional · chassis · Listed as Mustang option in Ford brochure; reported as included with 351 H.O. cars by Mustang Monthly/MotorTrend.

Paint

A or 9A Wimbledon White factory · solid
B or 2B Bright Red factory · solid
C or 6C Medium Yellow Gold factory · solid_or_metallic
E or 4E Bright Lime factory · solid
F or 3F Grabber Blue factory · solid
H or 5H Medium Brown Metallic factory · metallic
J, 3J, J9 Bright Blue Metallic factory · metallic
P or 4P Medium Green Metallic factory · metallic
Q or 4Q Dark Green Metallic factory · metallic
2 or 2J Maroon factory · solid_or_metallic
3 or 3B Light Blue factory · solid_or_metallic
4 or 4F Medium Lime Metallic factory · metallic
5 or 5A Light Pewter Metallic factory · metallic
6 or 6E Medium Bright Yellow factory · solid
6F Gold Glow factory · metallic
4C Ivy Glow factory · metallic

Production

Four-Speed Manual reference for the 1972 Ford Mustang Mach 1 351 H.O.Classic Muscle · Reference illustration

1972 Mustang total production; source conflict noted total · 111,015 · disputed
1972 Mustang Mach I body code 63R by body · 27,675 · documented
1972 Mustang base SportsRoof body code 63D by body · 15,622 · documented
1972 Mustang R-code 351 H.O., all body styles by engine · 398 · documented
1972 Mustang R-code 351 H.O. SportsRoof bodies; Mach 1 subset not isolated by engine · 366 · reported
1972 Mustang R-code 351 H.O. hardtops by engine · 19 · reported
1972 Mustang R-code 351 H.O. convertibles by engine · 13 · reported

Authenticity

9-Inch Traction-Lok reference for the 1972 Ford Mustang Mach 1 351 H.O.Classic Muscle · Reference illustration

VIN engine code R for 351 4V V-8 H.O. · VIN/warranty plate and supporting factory invoice/Marti report · fraud detection
Body code 63R for Mach 1 SportsRoof with bucket seats · Door warranty/data plate and VIN/body serial context · trim correctness
H.O. drivetrain package Four-speed manual with 9-inch 3.91 Traction-Lok rear axle reported for 351 H.O. cars · Door data plate axle/transmission codes, build sheet, axle tag, transmission tag, Marti report · numbers matching
Factory air conditioning with H.O. Air conditioning reported not available with 351 H.O. · Factory option record, under-hood A/C equipment, Marti report · trim correctness
Ram-Air documentation Ram-Air unit on 351 4V cars should be supported by proper documentation · Build sheet, invoice/Marti report, under-hood components · fraud detection
351 H.O. engine hardware Four-bolt main-bearing block, nodular-iron crankshaft, forged rods, solid-lifter camshaft, aluminum valve covers, dual-point distributor, aluminum intake, rev limiter, and Autolite 4300D spreadbore four-barrel carburetor reported for the 1972 351 H.O. · Engine assembly inspection, carburetor and distributor identification, build sheet, invoice/Marti report, and date-code review · numbers matching

Still Researching

engine Major 351 H.O. hardware and the reported SAE-net horsepower rating are now normalized in powertrain.engine.details from the target-specific Mustang Monthly/MotorTrend source, but a complete factory casting, carburetor-tag, distributor engineering-number, and date-code matrix is not.
transmission The required four-speed path and 1972 warranty/data-plate transmission code 5 for four-speed manual are recorded, but exact case, tag, ratio, shifter, and date rules are incomplete.
rear axle The 9-inch 3.91 Traction-Lok package is reported, but tag and housing details are incomplete.
brakes Power front-disc and rear-drum context is recorded, but all component dimensions and service identifiers are not.
suspension Competition suspension and staggered-shock context are recorded, but spring, shock, and stabilizer identifiers are incomplete.
option packages The R-code H.O. and Mach 1 paths are recorded, but the full compatibility and price matrix is not.
production All-body H.O. and all-engine Mach 1 totals are recorded, but the exact Mach 1 H.O. subtotal is unresolved.
paint colors Sixteen model-year colors are recorded, but H.O. frequencies and individual combinations are not.
trim and appearance Major Mach 1 cues are recorded, but every stripe, wheel, tire, spoiler, hood, and molding combination is not.
interior Major cabin records are present, but the complete trim-code and option compatibility matrix is not.
authenticity markers Major 351 H.O. engine hardware is now recorded as an authenticity marker, but casting numbers, component tags, and date-code guidance remain incomplete.