Home / Shop / Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, 8.5 in., 8.6 in., Set

Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, 8.5 in., 8.6 in., Set

SKU: RMGGM85410

Ring and Pinion Gears

Richmond Gear

Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, 8.5 in., 8.6 in., Set

SKU: RMGGM85410

Ring and Pinion Gears

IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

IMPORTANT NOTICE: Will not work with factory ABS reluctor ring. Must use 2.73:1 or numerically higher ratio carrier.

Richmond Gear EXCel ring and pinion sets are manufactured to meet the exacting specifications required by Richmond Gear. The design, tooling, steel selection, and heat-treat recipes are all controlled by Richmond Gear to produce cost-alternative ring and pinion sets. The Richmond Gear EXCel ring and pinion sets offer exceptional value with better-than-OEM quality. Available in a wide variety of gear ratios, the Richmond Gear EXCel ring and pinion sets will give you maximum confidence in your differential.

Part Type

Excel Ring & Pinion Gear Set GM 10Bolt 4.10 Ratio

Data: v4.2 - Upd: 2026-09-29 18:48:33

Specifications

Product Attributes - Brand: Excel Ring Pinion and Axle
Product Attributes - Manufacturer's Part Number: GM85410
Product Attributes - Part Type: Ring and Pinion Gears
Product Attributes - Product Line: Richmond Gear EXCel Ring and Pinion Sets
Product Attributes - UPC: 698231734773
Product Attributes - Differential Case Design Type: GM 8.5/8.6 in.
Product Attributes - Ring and Pinion Ratio: 4.10:1
Product Attributes - Cover Bolts: 10
Product Attributes - Ring Gear Bolts: 10
Product Attributes - Pinion Spline Count: 30
Product Attributes - Ring Gear Rotation: Standard
Product Attributes - Ring Gear Teeth: 41
Product Attributes - Pinion Gear Teeth: 10
Product Attributes - Ring Gear Diameter (in.): 8.500 in.
Product Attributes - Pinion Shaft Diameter (in.): 1.626 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 - Notes: Will not work with factory ABS reluctor ring. Must use 2.73:1 or numerically higher ratio carrier.

Reference Information

Brand Name/s	Richmond Gear
StreetFX SKU	rmgGM85410
SFX Item ID	5501707
Supplier Item Code	5501707
Manufacturer SKU	GM85410
Manufacturer UPC	698231734773
Alternative References	RICGM85410, 30-spline

Compatibility

Application Data

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	L6
Engine Size	4.1L/250
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	4.1
CID	250
CC	4097
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	D
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	L6
Engine Size	4.1L/250
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	4.1
CID	250
CC	4098
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	D
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1975
Ending Year	1975
Engine Type	L6
Engine Size	4.1L/250
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	4.1
CID	250
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	D
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	4.3L/260
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	4.3
CID	260
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	F
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	APOLLO
Submodel	BASE
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	APOLLO
Submodel	SR
Beginning Year	1975
Ending Year	1975
Engine Type	L6
Engine Size	4.1L/250
Engine Family	CHEVROLET L6 GAS
Axle Location	Rear
Liter	4.1
CID	250
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	D
Region	USA

Make	BUICK
Model	APOLLO
Submodel	SR
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	4.3L/260
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	4.3
CID	260
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	F
Region	USA

Make	BUICK
Model	APOLLO
Submodel	SR
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	APOLLO
Submodel	SR
Beginning Year	1975
Ending Year	1975
Engine Type	V8
Engine Size	5.7L/350
Engine Family	OLDSMOBILE V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
CC	5733
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1971
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1971
Ending Year	1973
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	U
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1972
Ending Year	1973
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	T
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1972
Ending Year	1973
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	V
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1972
Ending Year	1973
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	W
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1973
Ending Year	1973
Engine Type	V8
Engine Size	5.7L/350
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	CENTURION
Submodel	BASE
Beginning Year	1973
Ending Year	1973
Engine Type	V8
Engine Size	5.7L/350
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	H
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	5.7L/350
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	5.7
CID	350
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	J
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	T
Region	USA

Make	BUICK
Model	CENTURY
Submodel	BASE
Beginning Year	1973
Ending Year	1974
Engine Type	V8
Engine Size	7.5L/455
Engine Family	BUICK V8 GAS
Axle Location	Rear
Liter	7.5
CID	455
CC	7456
Application Notes	Differential Ring and Pinion; For GM 8.5"/8.625" (10 Bolt); 4.10 Ratio; Requires a 2.73 and Numerically Higher Ratio Carrier
Engine VIN Code	U
Region	USA

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Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, 8.5 in., 8.6 in., Set

Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, 8.5 in., 8.6 in., Set

Description

Part Type

Specifications

Reference Information

Compatibility

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