1975 Corvette Pricing, Factory Options, & Colors

1975 Corvette Factory Options

CODE	DESCRIPTION	QUANTITY	PRICE
1YZ37	Base Corvette Sport Coupe	33,836	$6,810.10
1YZ67	Base Corvette Convertible	4,629	$6,550.10
–	Custom Interior Trim	—	$154.00
A31	Power Windows	28,745	$93.00
A85	Custom Shoulder Belts (std with coupe)	646	$41.00
C07	Auxiliary Hardtop (for convertible)	2,407	$267.00
C08	Vinyl Covered Auxiliary Hardtop	279	$350.00
C50	Rear Window Defogger	13,760	$46.00
C60	Air Conditioning	31,914	$490.00
FE7	Gymkhana Suspension	3,194	$7.00
–	Optional Rear Axle Ratios	1,969	$12.00
J50	Power Brakes	35,842	$50.00
L82	350ci, 205hp Engine	2,372	$336.00
M21	4-Speed Manual Transmission, close-ratio	1,057	$0.00
M40	Turbo-Hydro-matic Automatic Transmission	28,473	$0.00
N37	Tilt-Telescopic Steering Column	31,830	$82.00
N41	Power Steering	37,591	$129.00
QRM	White Stripe Steel Belted Tires, GR70x15	5,233	$35.00
QRZ	White Letter Steel Belted Tires, GR70x15	30,407	$48.00
U05	Dual Horns	22,011	$4.00
U58	AM-FM Radio, Stereo	24,701	$284.00
U69	AM-FM Radio	12,902	$178.00
UA1	Heavy Duty Battery	16,778	$15.00
UF1	Map Light (on rearview mirror)	21,676	$5.00
YF5	California Emission Test	3,037	$20.00
Z07	Off Road Suspension and Brake Package	144	$400.00

Base Corvette Sport Coupe (1YZ37)

• The base price of the 1975 Chevrolet Corvette Coupe without any optional equipment.
• A 350 cubic inch, 165 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 1975 Corvette Convertible without any optional equipment.
• A 350 cubic inch, 165 horsepower engine, 4-speed wide ratio manual transmission, vinyl interior trim, and a convertible soft  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 included 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 Covered Auxiliary Hardtop (C08)

• This option allowed consumers to install an auxiliary hardtop on convertible models.
• The vinyl covering provided a faux convertible top appearance even when the hardtop was mounted on the car.

Rear Window Defroster (C50)

• An optional rear window forced air defogger.

Air Conditioning (C60)

• Factory installed four-season 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.

Optional Rear Axle Ratio

• Rear axle ratio selection.

Gymkhana Suspension (FE7)

• An optional, heavier-duty suspension system for higher levels of performance.
• Included a stiffer front sway bar and stiffer springs.
• It was automatically included as part of the Z07 package.
• There were no restrictions on ordering this option.

Power Brakes (J50)

• Vacuum power assisted brakes; includes dual circuit master cylinder.
• It was automatically included as part of the Z07 package.

350ci, 205hp 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, 165 horsepower 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 (N41)

• Hydraulically assisted power steering.
• Magnets were added to power steering units to attract and collect metallic debris caught in the power steering fluid.

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.

Dual Horns (U05)

• An optional, dual tone horn.

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.

Heavy Duty Battery (UA1)

• Optional, heavier-duty battery with increased cranking amps/capability.

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.

Off Road Suspension and Brake Package (Z07)

• Stiffer suspension/brake package for more rugged driving conditions.
• Available with optional engines L82.
• Required the close ratio, 4-speed manual transmission (RPO M21.)
• Z07 was not available with air conditioning (RPO C60.)
• It included special front and rear suspension, and heavy-duty front and rear power brakes.
• The FE7 Gymkhana Suspension system was automatically included with the Z07 package.

Notes

• 1975 was the last year for a Corvette Convertible until 1986.
• The 1975 Corvette was the first Corvette to have a catalytic converter.
• The bumpers were redesigned for the 1975 Corvette in the continuation of better impact resistance from the 1974 Federal mandates. Inner shock absorbers and two simulated exterior pads were added to the rear bumper. The front bumper added an inner honeycomb core and two simulated pads on the exterior.
• 1975 introduced High Energy Ignition (HEI) to the Corvette. This replaced the old transistor ignition.
• One key feature of HEI is the no-points distributor.
• The 1975 Corvette introduced the first electronically driven tachometer, which replaced the old distributor-driven tachometer.
• Kilometer-per-hour (kph) first appeared on the 1975 Corvette speedometer  as a subset of miles-per-hour.
• 1975 was the first year for a headlight warning buzzer on the Corvette.
• 1975 was the first year a Corvette was manufactured with an internal bladder in the fuel tank.
• The 1975 Corvette would be the last year for Astro Ventilation.