Page 644 - 2022-23 Auto Performance Drag Racing

DRAG RACING
GM 8.5"
• Oval Cover
• 11", 10 Holes, or Irregular Cover 10-5/8", 10 Holes • 8.50" Diameter Ring Gear
• 1.626" Diameter Pinion, 30-Spline
• 1970-98 GM Cars and Trucks
• Installation Kit: RIC83-1021-1 (Rear Only)
Part No. Ratio Teeth
Street Gear
* Needs special cross pin RIC80-0272-1
INSTALLATION NOTES FOR GM-8.5": When replacing stock 2.56 and numerically lower, the carrier must be replaced with a carrier of 2.73 or higher.
GM 12-Bolt Chevy 8.875"
• Oval Cover 10-7/8", 12 Holes
• 12-Bolt Carrier
• 8.875" Diameter Ring Gear
• 1.625" Diameter Pinion, 30-Spline • 1965-72 GM Passenger Cars
• Installation Kit: RIC83-1019-1
Part No. Ratio
Street Gear
† Fits 3.08-3.73 ratio carrier.
Teeth
Part No.
Pro Gear
Ratio
Teeth
RIC69-0304-1 †
4.10
41-10
RIC69-0031-1
4.10
41-10
RIC69-0378-1
4.33
39-9
RIC69-0306-1 †
4.56
41-9
RIC69-0032-1
4.56
41-9
RIC69-0033-1
4.88
39-8
RIC69-0034-1
5.14
36-7
RIC69-0035-1
5.38
43-8
RIC79-0099-1
4.11
37-9
RIC79-0074-1
4.33
39-9
RIC79-0072-1
4.56
41-9
RIC79-0064-1
4.88
39-8
RIC79-0027-1
5.14
36-7
RIC79-0029-1
5.38
43-8
RIC79-0031-1
5.57
39-7
RIC79-0033-1
5.86
41-7
RIC49-0041-1
3.73
41-11
RIC49-0034-1
3.90
39-10
RIC69-0165-1
4.10
41-10
RIC69-0167-1
4.56
41-9
RIC69-0169-1
4.88
39-8
RIC69-0171-1
5.13
41-8
RIC69-0173-1*
5.38
43-8
EXCel Ring and Pinion Sets
EXCel ring and pinion sets offer
exceptional value and OEM-like
quality. Gear design, tooling, steel
selection, heat treat, and quality are
controlled exclusively by Richmond
Gear. Ring and pinion sets are ideal for street or mild drag race applications.
INSTALLATION NOTES FOR GM-12 BOLT: When replacing a 2.73-3.90 ratio with a Rich- mond Hi-Perf. ring and pinion, the carrier must be replaced with a carrier from a stock 4.10, 4.56, or 4.88 ratio. When installing 5.14 to 6.14 ring and pinion sets, differential cross shaft RIC80-0269-1 must be used.
Installation Kits
Everything to install a ring and pinion.
Part No.
Description
RIC83-1011-1
Part No.
Ratio
Teeth
Part No.
Ratio
Teeth
RIC83-1013-1
RIC83-1031-1
RIC83-1034-1
RIC83-1037-1
RIC83-1043-1
GM 10-Bolt 7.5"/7.625"
RICGM75373OE*
3.73
41-11
RICGM75410OE*
4.10
41-10
RICGM75410TK@
4.10
41-10
GM 10-Bolt 8.5"
RICGM85373
3.73
41-11
RICGM85410
4.10
41-10
RICGM85456
4.56
41-9
GM 12-Bolt 8.875"
RIC12BC373#
3.73
41-11
RIC12BC373T*
3.73
41-11
RIC12BC410#
4.10
41-10
RIC12BC410T*
4.10
41-10
Ford 8.8"
RICF88373
3.73
41-11
RICF88410
4.10
41-10
Ford 9"
RICF9389
3.89
35-9
RICF9411
4.11
37-9
RICF9433
4.33
39-9
RICF9456
4.56
41-9
RICF9471
4.71
33-7
RICF9486
4.86
34-7
RICF9514
5.14
36-7
RICF9543
5.43
38-7
RICF9567
5.67
34-6
RICF9583
5.83
35-6
RICF9600
6.00
30-5
RICF9620
6.20
31-5
RICF9633
6.33
38-6
RICF9650
6.50
39-6
RIC83-1044-1
Ford 9", 2.891" Carrier Bearings
Ford 9", 3.062" Carrier Bearings
RIC83-1015-1
RIC83-1019-1
Ford 8"
GM 8.875" 12-Bolt, Passenger
RIC83-1021-1
GM 8.5" 10-Bolt
Chrysler 8.75" (Late)
Dana 60
Chrysler 8.75" (Early)
Ford 8.8"
GM 7.5" 10-Bolt, 1982-98
RIC83-1077-1
2010-Up Chevrolet Camaro V8
Note: Please see previous diagrams for differential identification.
Gear Oil
Engineered to deliver maximum protec-
tion under the most demanding conditions, synthetic gear oils are offered in GL-4 or GL-5 formulas. GL-4 is suitable for use in transaxles and transmissions where specified, while GL-5 is designed for use in high-performance racing differentials and posi-traction units. Sold in one-quart bottles.
Part No. Description
# Use with 4-Series carrier. * Use with 3-Series carrier. @ Use with 2-Series carrier.
Gear Marking Compound
RIC55-0001-1
When applied to rear end gears, marking compound helps in setting proper gear contact pattern.
See the Allstar section, page 80for ring and pinion installation kits.
RICRICHGL4
GL-4 Multi-Purpose Petroleum Gear Oil
RICRICHGL5
GL-5 High Performance Gear Oil
642
Andy Wrobleski
2022-23