1973 Corvette Pricing, Factory Options, & Colors

Base Corvette Sport Coupe (1YZ37)

• The base price of the 1973 Chevrolet Corvette Coupe without any optional equipment.
• A 350 cubic inch, 190 horsepower engine, 4-speed wide ratio manual transmission, vinyl interior trim, and T-tops were included in the base price.

Base Corvette Convertible (1YZ67)

• The base price of the 1973 Corvette Convertible without any optional equipment.
• A 350 cubic inch, 190 horsepower engine, 4-speed wide ratio manual transmission, vinyl interior trim, and a convertible top  were included in the base price.

Custom Interior ( — )

• Optional interior trim upgrade that included a number of custom modifications to the base interior.
• The custom interior trim includes leather seat trim, wood-grain accents and carpet trim on door panels, wood-grain accents on the console, and cut-pile carpeting.

Power Windows (A31)

• Factory installed power driver and passenger windows.

Custom Shoulder Belts (A85)

• An addition to the standard lap safety belt that crosses over the shoulder for added safety.
• The shoulder belts option was included with all Corvette coupes at no additional charge.  The option was also available on the Corvette convertible, but at an additional cost.

Auxiliary Hardtop (for convertibles) (C07)

• An optional hard-top that could be installed in lieu of the convertible top.

Vinyl Covering (for Auxiliary Hardtop) (C08)

• This option provided an external vinyl liner application to the auxiliary hardtop.
• The vinyl covering provided a faux convertible top appearance even when the hardtop was mounted on the car.

Rear Window Defogger (C50)

• An optional rear window forced air defogger.

Air Conditioning (C60)

• Factory installed air-conditioning.
• System includes evaporator, blower, condenser, receiver-dehydrator, refrigerant (freon) tank, air intake assembly and duct assembly for both systems.
• Includes an integrated heater.
• Manually controlled by knobs on instrument control panel.

Optional Rear Axle Ratio

• Rear axle ratio selection.

Power Brakes (J50)

• Vacuum power assisted brakes; includes dual circuit master cylinder.

454ci, 275hp Engine (LS4)

• Optional high-output, big-block V-8 engine.

350ci, 250hp Engine (L82)

• Optional higher-output, small block V-8 engine.

4-Speed Manual Transmission, Close Ratio (M21)

• A close ratio version of the M20 Muncie 4-speed manual transmission.
• The gear ratios for the RPO M21 Close Ratio 4-Speed Manual Transmission are: 1st Gear – 2.20:1, 2nd Gear – 1.64:1, 3rd Gear – 1.28:1, 4th Gear – 1.0:1 (Direct).

Turbo Hydra-Matic Automatic Transmission (M40)

• An optional, three-speed automatic transmission.
• The Turbo Hydra-Matic Automatic Transmission consisted of a 3-element hydraulic torque converter and compound planetary gear set.  It was equipped with the following gear ratios: 1st Gear – 2.48:1, 2nd Gear – 1.48:1, and 3rd Gear – 1.00:1.
• The M40 Turbo Hydra-Matic Automatic Transmission was a no-cost option with the base 350 cubic inch, 190 horsepower engine, but cost an additional $97 when ordered with the 454 cubic inch, 275 horsepower LS4 engine.

Tilt Telescopic Steering Column (N37)

• An optional, adjustable steering column and tilt-angle adjustable steering wheel.
• The Telescopic Steering Column changes the drivers distance from the steering wheel by literally telescoping the steering wheel closer to or further away from the vehicle operator.

Power Steering (N40)

• Hydraulically assisted power steering.

Deluxe Wheel Covers (P02)

• Optional deluxe wheel covers.

White Stripe Steel Belted Tires, GR70x15 (QRM)

• Standard size tires with a special 3/8″  wide white sidewall stripes.

White Letter Steel Belted Tires, GR70x15 (QRZ)

• Standard size tires with special raised white lettering.

Heavy Duty Battery (T60)

• A larger battery with added cranking power and capacity.
• This option was included when the LS5 was ordered.
• 80AH battery with 90 plates.
• 3,750 watts.

 AM-FM Radio, Stereo (U58)

• A standard/stock dealer installed Corvette radio.
• The radio received broadcast in FM 2-channel stereo, FM monaural, and AM monaural.
• 16-transistor 9-diode circuitry.
• Two-speakers.
• Fixed height rear antenna.

 AM-FM Radio (U69)

• A standard/stock dealer installed Corvette radio.
• The radio receives broadcast in FM monaural, and AM monaural.
• 16-transistor 9-diode circuitry.
• Two-speakers.
• Fixed height rear antenna.

Map Light (on rearview mirror) (UF1)

• Light mounted on inside rearview mirror.

California Emission Test (YF5)

• An assembly line emissions test to conform with California registration requirements.
• Not available when the LS4 engine was ordered with the car.

Cast Aluminum Wheels (5) (YJ8)

• Special cast aluminum wheels with center caps.

Off Road Suspension and Brake Package (Z07)

• Stiffer suspension/brake package for more rugged driving conditions.
• Available with optional engines RPO L82 and LS4 only.
• Required RPO J50 and M21.
• Z07 was not available with RPO C60.

Notes