1974 Corvette Factory Specs Page

Options:

Code	Description	Quantity	Cost
1YZ37	Base Corvette Sport Coupe	32,028	$6,001.50
1YZ67	Base Corvette Convertible	5,474	$5,765.50
	Custom Interior Trim	19,959	$154.00
A31	Power Windows	23,940	$86.00
A85	Custom Shoulder Belts	618	$41.00
C07	Auxiliary Hardtop (Convertible)	2,612	$267.00
C08	Vinyl Covering For Aux. Hardtop	367	$329.00
C50	Rear Window Defroster	9,322	$43.00
C60	Air Conditioning	29,397	$467.00
FE7	Gymkhana Suspension	1,905	$7.00
	Optional Rear Axle Ratio	1,219	$12.00
J50	Power Brakes	33,306	$49.00
LS4	454ci 270hp Engine	3,494	$250.0
L82	350ci 250hp Engine	6,690	$299.00
M21	4 Speed Manual Close Ratio	3,494	$0.00
M40	Turbo Hydra-Matic Automatic Transmission	25,146	$0.00
N37	Tilt-Telescopic Steering Column	27,700	$82.00
N41	Power Steering	35,944	$117.00
QRM	White Stripe Steel Belted Tires GR70x15	9,140	$32.00
QRZ	White Letter Steel Belted Tires GR70x15	24,102	$45.00
U05	Dual Horns	5,258	$4.00
U58	AM/FM Radio Stereo	19,581	$276.00
U69	AM/FM Radio	17,394	$173.00
UA1	Heavy Duty Battery	9,169	$15.00
UF1	Map Light On Rear View Mirror	16,101	$5.00
YF5	California Emissions Test
YJ8	Cast Aluminum Wheels	0	$-
Z07	Off Road Suspension and Brake Package	47	$400.00

Serial Numbers: 1Z37J4S400001 through 1Z37J4S437502

For Convertibles, the third digit is a "6"

Fifth Digit Code: J=350ci 195hp, T=350ci 250hp, Z=454ci 270hp

Suffix:

CKZ: 350ci, 195hp MT	CLR: 350ci, 250hp MT
CLA: 350ci, 195hp AT	CLS: 350ci, 250hp MT CE
CLB: 350ci, 195hp MT CE	CWM: 454ci, 270hp MT
CLC: 350ci, 195hp AT CE	CWR: 454ci, 270hp AT
CLD: 350ci, 250hp AT	CWS 454ci, 270hp AT CE
CLH: 350ci, 250hp AT CE	CWT: 454ci, 270hp MT CE

CE=California Emissions, MT=Manual Trans, AT=Automatic Trans, AC=Air Conditioning, AH=Aluminum Heads

Base Engine: 350ci V8 195hp

A350ci, 195hpengine,4-speedwide-ratiomanualtransmission,softtop (conv) or T-tops (cpe), and vinyl interior were included in the base price.
YJ8 cast aluminum wheels appeared on early 1974 option lists, but Chevrolet records indicate none were sold.
Custom interior included leather seat trim, wood-grain accents and lower carpet trim on interior door panels, wood-grain accents on console, and special cut-pile carpeting.
M40 was no cost with the base 350ci, 195hp engine, but cost $103 ($97 early in production) with LS4 or L82. It was not available with Z07.
The Z07 package was available only with L82 and LS4 engines, and required M21. It included special front and rear suspension and heavyduty front and rear power brakes.
The FE7 gymkhana suspension included stifferfront sway bar and stiffer springs. It was included with Z07. There were no order restrictions. - This was the last year for 454ci "big block" engines in Corvettes.

Colors

CODE	EXTERIOR	SOFT TOP	WHEELS	INTERIORS
910	Classic White	Bk-W	Silver	Bk-Db-Dr-N-S-Si
914	Silver Mist	Bk-W	Silver	Bk-Db-Dr-S-Si
917	Corvette Gray	Bk-W	Silver	Bk-Db-Dr-N-S-Si
922	Corvette Med Blue	Bk-W	Silver	Bk-Db-Si
948	Dark Green	Bk-W	Silver	Bk-N-S-Si
956	Bright Yellow	Bk-W	Silver	Bk-N-S-Si
968	Dark Brown	Bk-W	Silver	Bk-N-S-Si
974	Medium Red	Bk-W	Silver	Bk-Dr-N-S-Si
976	Mille Miglia Red	Bk-W	Silver	Bk-Dr-N-S-Si
980	Corvette Orange	Bk-W	Silver	Bk-N-S-Si

Suggested interiors shown. Other combinations were possible.

Interior Codes: 400=Bk/V, 404=Bk/L, 406=Si/V, 407=Si/L, 408=NN, 413=Db/V, 415=S/V, 416=S/L, 425=Dr/V.
Abbreviations: Bk=Black, Db=Dark Blue, Dr=Dark Red, L=Leather, N=Neutral, S=Saddle, Si=Silver, V=Vinyl W=White.

FACTS

The transition to "soft" bumpers was completed in 1974 with the new body-color rear bumpers. The urethane plastic skin had built-in recesses for the license plate and taillights, and a vertical center seam. The skin covered an aluminum impact bar mounted on two telescopic brackets.
These were the last Corvettes without catalytic converters.
Fuel requirement was 91 octane leaded or low-lead regular.
Radiators were redesigned for more efficient cooling at low speeds.
Shoulder belts on 1974 models were integrated with the lap belts. Also, the locking mechanism was changed from a pull-rate type to a swinging weight type activated by the car's deceleration.
The alarm activator moved from the rear panel to the driver-side fender.
Magnets were added to power steering units to attract debris in the fluid.
The inside rearview mirror increased in width to ten inches.

Wheelbase: 98"	Track: 58.7" Front / 59.5" Rear	Height: 47.8" Coupe
Length: 185.5"	Width: 69"	Curb Weight: 3,388 lbs.
Tire Size: GR70x15"	Plant: St. Louis