Home / Shop / Richmond Gear Ring and Pinion Sets 49-0099-1 GM 55P (8.2 in. Drop out) 3.70 Gears Gear, Pinion, 3.70:1 Ratio, 1955-64 GM, 8.2 in., 3 Series, Set

Richmond Gear Ring and Pinion Sets 49-0099-1 GM 55P (8.2 in. Drop out) 3.70 Gears Gear, Pinion, 3.70:1 Ratio, 1955-64 GM, 8.2 in., 3 Series, Set

SKU: RMG4900991

Ring and Pinion Gears

Richmond Gear

Richmond Gear Ring and Pinion Sets 49-0099-1 GM 55P (8.2 in. Drop out) 3.70 Gears Gear, Pinion, 3.70:1 Ratio, 1955-64 GM, 8.2 in., 3 Series, Set

SKU: RMG4900991

Ring and Pinion Gears

Sale ends in Calculating... Wed 14 Oct, 12:53 am AEST

LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.

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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

3.73 8.2in 10 Bolt GM

Data: v4.2 - Upd: 2026-09-29 18:48:24

Specifications

Product Attributes - Brand: Richmond Gear
Product Attributes - Manufacturer's Part Number: 49-0099-1
Product Attributes - Part Type: Ring and Pinion Gears
Product Attributes - Product Line: Richmond Gear Ring and Pinion Sets
Product Attributes - UPC: 698231702130
Product Attributes - Differential Case Design Type: GM 55P (8.2 in. Drop out)
Product Attributes - Ring and Pinion Ratio: 3.70:1
Product Attributes - Ring Gear Bolts: 10
Product Attributes - Pinion Spline Count: 17
Product Attributes - Carrier Series: 3
Product Attributes - Ring Gear Rotation: Standard
Product Attributes - Ring Gear Teeth: 37
Product Attributes - Pinion Gear Teeth: 10
Product Attributes - Ring Gear Diameter (in.): 8.200 in.
Product Attributes - Pinion Shaft Diameter (in.): 1.438 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.
Product Attributes - Special Attention: Early model (1955-64) front load. Fits 3.08 to 3.70 carrier.

Reference Information

Brand Name/s	Richmond Gear
StreetFX SKU	rmg4900991
SFX Item ID	5500874
Supplier Item Code	5500874
Manufacturer SKU	4900991
Manufacturer UPC	698231702130
Alternative References	RIC49-0099-1, 55P

Compatibility

Application Data

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1955
Ending Year	1957
Engine Type	V8
Engine Size	4.3L/265
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	4.3
CID	265
CC	4343
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1955
Ending Year	1962
Engine Type	L6
Engine Size	3.8L/235
Engine Family	GM L6 GAS
Axle Location	Rear
Liter	3.8
CID	235
CC	3852
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1957
Ending Year	1964
Engine Type	V8
Engine Size	4.6L/283
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	4.6
CID	283
CC	4638
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1958
Ending Year	1961
Engine Type	V8
Engine Size	5.7L/348
Engine Family	CHEVY W-BIG BLOCK V8 GAS
Axle Location	Rear
Liter	5.7
CID	348
CC	5704
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1959
Ending Year	1959
Engine Type	V8
Engine Size	5.3L/322
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.3
CID	322
CC	5272
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1959
Ending Year	1960
Engine Type	L6
Engine Size	4.3L/261
Engine Family	GM L6 GAS
Axle Location	Rear
Liter	4.3
CID	261
CC	4278
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1960
Ending Year	1960
Engine Type	L6
Engine Size	3.9L/236
Engine Family	GM L6 GAS
Axle Location	Rear
Liter	3.9
CID	236
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1961
Ending Year	1964
Engine Type	V8
Engine Size	6.7L/409
Engine Family	CHEVY W-BIG BLOCK V8 GAS
Axle Location	Rear
Liter	6.7
CID	409
CC	6704
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1962
Ending Year	1964
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 GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1963
Ending Year	1963
Engine Type	V8
Engine Size	7.0L/427
Engine Family	CHEVY W-BIG BLOCK V8 GAS
Axle Location	Rear
Liter	7.0
CID	427
CC	6997
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BASE
Beginning Year	1963
Ending Year	1964
Engine Type	L6
Engine Size	3.8L/230
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	3.8
CID	230
CC	3769
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BEAUVILLE
Beginning Year	1955
Ending Year	1956
Engine Type	L6
Engine Size	3.8L/235
Engine Family	GM L6 GAS
Axle Location	Rear
Liter	3.8
CID	235
CC	3852
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	BEAUVILLE
Beginning Year	1955
Ending Year	1956
Engine Type	V8
Engine Size	4.3L/265
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	4.3
CID	265
CC	4343
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	NOMAD
Beginning Year	1955
Ending Year	1957
Engine Type	L6
Engine Size	3.8L/235
Engine Family	GM L6 GAS
Axle Location	Rear
Liter	3.8
CID	235
CC	3852
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	NOMAD
Beginning Year	1955
Ending Year	1957
Engine Type	V8
Engine Size	4.3L/265
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	4.3
CID	265
CC	4343
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BEL AIR
Submodel	NOMAD
Beginning Year	1957
Ending Year	1957
Engine Type	V8
Engine Size	4.6L/283
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	4.6
CID	283
CC	4638
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	BASE
Beginning Year	1958
Ending Year	1961
Engine Type	V8
Engine Size	5.7L/348
Engine Family	CHEVY W-BIG BLOCK V8 GAS
Axle Location	Rear
Liter	5.7
CID	348
CC	5704
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	BASE
Beginning Year	1958
Ending Year	1962
Engine Type	L6
Engine Size	3.8L/235
Engine Family	GM L6 GAS
Axle Location	Rear
Liter	3.8
CID	235
CC	3852
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	BASE
Beginning Year	1958
Ending Year	1964
Engine Type	V8
Engine Size	4.6L/283
Engine Family	Chevy small block Gen I
Axle Location	Rear
Liter	4.6
CID	283
CC	4638
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	BASE
Beginning Year	1960
Ending Year	1960
Engine Type	L6
Engine Size	3.9L/236
Engine Family	GM L6 GAS
Axle Location	Rear
Liter	3.9
CID	236
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	BASE
Beginning Year	1961
Ending Year	1964
Engine Type	V8
Engine Size	6.7L/409
Engine Family	CHEVY W-BIG BLOCK V8 GAS
Axle Location	Rear
Liter	6.7
CID	409
CC	6704
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	BASE
Beginning Year	1962
Ending Year	1964
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 GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	BASE
Beginning Year	1963
Ending Year	1963
Engine Type	V8
Engine Size	7.0L/427
Engine Family	CHEVY W-BIG BLOCK V8 GAS
Axle Location	Rear
Liter	7.0
CID	427
CC	6997
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	BASE
Beginning Year	1963
Ending Year	1964
Engine Type	L6
Engine Size	3.8L/230
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	3.8
CID	230
CC	3769
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

Make	CHEVROLET
Model	BISCAYNE
Submodel	FLEETMASTER
Beginning Year	1960
Ending Year	1960
Engine Type	L6
Engine Size	3.9L/236
Engine Family	GM L6 GAS
Axle Location	Rear
Liter	3.9
CID	236
Application Notes	Differential Ring and Pinion; For GM 8.2" 1955-1964 Car (10 Bolt); 3.70 Ratio; Requires a 3.08 to 3.70 Ratio Carrier
Region	USA

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Richmond Gear Ring and Pinion Sets 49-0099-1 GM 55P (8.2 in. Drop out) 3.70 Gears Gear, Pinion, 3.70:1 Ratio, 1955-64 GM, 8.2 in., 3 Series, Set

Richmond Gear Ring and Pinion Sets 49-0099-1 GM 55P (8.2 in. Drop out) 3.70 Gears Gear, Pinion, 3.70:1 Ratio, 1955-64 GM, 8.2 in., 3 Series, Set

Description

Part Type

Specifications

Reference Information

Compatibility

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