Home / Shop / Richmond Gear Ring and Pinion Sets 49-0031-1 Corvette C2/C3 3.90 Gears Gear, Pinion, 3.90:1 Ratio, Chevy, Set

Richmond Gear Ring and Pinion Sets 49-0031-1 Corvette C2/C3 3.90 Gears Gear, Pinion, 3.90:1 Ratio, Chevy, Set

SKU: RMG4900311

Ring and Pinion Gears

Richmond Gear

Richmond Gear Ring and Pinion Sets 49-0031-1 Corvette C2/C3 3.90 Gears Gear, Pinion, 3.90:1 Ratio, Chevy, Set

SKU: RMG4900311

Ring and Pinion Gears

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Richmond Gear is the leading manufacturer of professional-quality, high performance ring and pinion sets. The superior quality of these gear sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. Richmond also offers these gear sets in a lightened version for the weight-conscious enthusiast. Their lightened ring and pinion sets feature an outstanding rotating weight loss of up to 6 lbs., ground pinion threads for trouble-free installation, and a special heat treatment for improved strength.

Part Type

3.90 63-79 Corvette

Data: v4.2 - Upd: 2026-10-11 02:20:49

Specifications

Product Attributes - Brand: Richmond Gear
Product Attributes - Manufacturer's Part Number: 49-0031-1
Product Attributes - Part Type: Ring and Pinion Gears
Product Attributes - Product Line: Richmond Gear Ring and Pinion Sets
Product Attributes - UPC: 698231681275
Product Attributes - Differential Case Design Type: Corvette C2/C3
Product Attributes - Ring and Pinion Ratio: 3.90:1
Product Attributes - Cover Bolts: 8
Product Attributes - Ring Gear Bolts: 10
Product Attributes - Pinion Spline Count: 30
Product Attributes - Carrier Series: 3
Product Attributes - Ring Gear Rotation: Standard
Product Attributes - Ring Gear Teeth: 39
Product Attributes - Pinion Gear Teeth: 10
Product Attributes - Ring Gear Diameter (in.): 8.200 in.
Product Attributes - Pinion Shaft Diameter (in.): 1.625 in.
Product Attributes - Installation Kit Included: No
Product Attributes - Cover Gasket Included: No
Product Attributes - Pinion Shims Included: No
Product Attributes - Carrier Shims Included: No
Product Attributes - Crush Sleeve Included: No
Product Attributes - Pinion Seal Included: No
Product Attributes - Pinion Nut Included: No
Product Attributes - Ring Gear Bolts Included: No
Product Attributes - Head Bearing Included: No
Product Attributes - Tail Bearing Included: No
Product Attributes - Carrier Bearings Included: No
Product Attributes - Axle Seals Included: No
Product Attributes - Axle Bearings Included: No
Product Attributes - Differential Cover Included: No
Product Attributes - Differential Oil Included: No
Product Attributes - Friction Modifier Included: No
Product Attributes - Installation DVD Included: No
Product Attributes - Quantity: Sold as a set.

Reference Information

Brand Name/s	Richmond Gear
StreetFX SKU	rmg4900311
SFX Item ID	5500851
Supplier Item Code	5500851
Manufacturer SKU	4900311
Manufacturer UPC	698231681275
Alternative References	RIC49-0031-1, C2/C3

Compatibility

Application Data

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1963
Ending Year	1968
Engine Type	V8
Engine Size	5.3L/327
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.3
CID	327
CC	5358
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1965
Ending Year	1965
Engine Type	V8
Engine Size	6.5L/396
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	6.5
CID	396
CC	6489
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1966
Ending Year	1969
Engine Type	V8
Engine Size	7.0L/427
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.0
CID	427
CC	6998
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1969
Ending Year	1971
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1970
Ending Year	1971
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7439
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1970
Ending Year	1971
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7441
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7439
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	V
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7439
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	W
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1972
Ending Year	1972
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7441
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	W
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1972
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	J
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1972
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	K
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1972
Ending Year	1979
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	L
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	T
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7439
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	Y
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7439
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	Z
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7441
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	Z
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1974
Ending Year	1974
Engine Type	V8
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Axle Location	Rear
Liter	7.4
CID	454
CC	7439
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	X
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1977
Ending Year	1977
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	X
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1979
Ending Year	1979
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	4
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	BASE
Beginning Year	1979
Ending Year	1979
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	8
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	INDIANAPOLIS 500 PACE CAR
Beginning Year	1978
Ending Year	1978
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	4
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	SILVER ANNIVERSARY EDITION
Beginning Year	1978
Ending Year	1978
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	4
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	SILVER ANNIVERSARY EDITION
Beginning Year	1978
Ending Year	1978
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	L
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	STINGRAY
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	J
Region	USA

Make	CHEVROLET
Model	CORVETTE
Submodel	STINGRAY
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For 63-79 Corvette; 3.90 Ratio; Thick Ring Gear; Requires a 2.41 to 3.70 Ratio Carrier
Engine VIN Code	T
Region	USA

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Richmond Gear Ring and Pinion Sets 49-0031-1 Corvette C2/C3 3.90 Gears Gear, Pinion, 3.90:1 Ratio, Chevy, Set

Richmond Gear Ring and Pinion Sets 49-0031-1 Corvette C2/C3 3.90 Gears Gear, Pinion, 3.90:1 Ratio, Chevy, Set

Description

Part Type

Specifications

Reference Information

Compatibility

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