Ford9" • Oval Housing, 10 Holes • 10-Bolt Carrier • 9.00" Diameter Ring Gear Installation Kits: RIC83-1011-1 (2.891" Carrier Bearing) RIC83-1013-1 (3.062" Carrier Bearing) Ratio Teeth Part No.
RingAndPinion InstallationKits Kits contain everything for installation of a new ring and pinion. Including Grade 8 ring gear bolts and washers, gaskets, seals, shims, bearings, gear marking compound, sealer and thread locking compound. Part No. Application RIC83-1034-1 Dana 60 RIC83-1045-1 Ford 7.5 RIC83-1043-1 Ford 8.8 RIC83-1011-1 Ford 9" 28 Spline RIC83-1013-1 Ford 9" 31 Spline RIC83-1016-1 GM 10 Bolt 7.5" For 1977-81 RIC83-1044-1 GM 10 Bolt 7.5" For 1982-94 RIC83-1021-1 GM 10 Bolt 8.5" RIC83-1018-1 GM 12 Bolt Truck RIC83-1033-1 Dana 44
• 1.313" Diameter Pinion, 28-Spline • 1957-87 Ford Cars and Trucks
Ratio Teeth Part No. 4.11 37-9 RIC69-0179-1 4.33 39-9 RIC69-0161-1 4.44 40-9 RIC69-0368-1 4.56 41-9 RIC69-0185-1
3.50 35-10 RIC49-0027-1 3.55 39-11 RIC69-0195-1 3.70 37-10 RIC69-0361-1 3.89 35-9 RIC69-0177-1 GM8.5" • Oval Cover • 11", 10 Holes or Irregular Cover 10-5/8" • 8.50" Diameter Ring Gear Ratio Teeth Part No.
• 1.626" Diameter Pinion, 30-Spline • 1970-98 GM Trucks
GearMarkingCompound RIC55-0001-1
Ratio Teeth Part No. 4.56 41-9 RIC69-0167-1 4.88 39-8 RIC69-0169-1 5.13 41-8 RIC69-0171-1 5.38 43-8 RIC69-0173-1 † 5.57 39-7 RIC69-0175-1 †
3.08 40-13 RIC49-0017-1 3.23 42-13 RIC49-0019-1 3.42 41-12 RIC49-0278-1 3.73 41-11 RIC49-0041-1 3.90 39-10 RIC49-0034-1 4.10 41-10 RIC69-0165-1
Compound is applied to ring and pinion gears during initial set-up to show gear contact pattern.
Ringand Pinion InstallationVideo RICVIDEO A must for any racer’s tool box or library. DVD format video covers the step-by-step procedure for proper ring and pinion set-up.
Installation Kit: RIC83-1021-1
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. † Needs special cross pin RIC80-0272-1. GM7.5"-7.625"
EXCel RingAndPinionSets EXCel ring and pinion sets offer WKHEHQH¿WVRIH[FHSWLRQDOYDOXH and OEM-like quality. Gear design, tooling, steel selection, heat treat and quality are controlled exclu- sively by Richmond Gear. Ring and pinion sets are ideal for street or mild circle track applications. Part No. Ratio Teeth 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
• 8-5/16" X 10-9/16", 10 Holes • 7.5" and 7.625" Dia. Ring Gear • 1.438" Dia. Pinion Stem • 27-Spline Pinion • 1977-94 GM Trucks Ratio Teeth Part No. 3.08 40-13 RIC49-0001-1 § 3.23 42-13 RIC49-0044-1 †† 3.42 41-12 RIC49-0045-1 †† 3.42 41-12 RIC49-0005-1 § Installation Notes:
Ratio Teeth Part No. 3.73 41-11 RIC49-0046-1 †† 3.73 41-11 RIC49-0007-1 § 4.10 41-10 RIC69-0322-1 †† 4.56 41-9 RIC69-0324-1 ††^
Part No.
Ratio
Teeth
GM 10-Bolt 8.5" RICGM85373
3.73 4.10 4.56
41-11 41-10 41-9 41-11 41-11 41-10
§ 3.08 ratio and numerically lower carrier. †† 3.23 ratio and numerically higher carrier. ^ Needs special cross pin RIC80-0270-1. GM8.875" Truck • 11-1/2" Irregular 12 Holes, Truck 12 Bolt Cover • 8.875" Dia. Ring Gear • 1.438" Dia. Pinion • 30 Splines • 1964-82 Blazer & K-10 • 1964-82 K-20 Ratio Teeth Carrier Part No.
RICGM85410 RICGM85456
GM 12-Bolt 8.875" Truck RIC12BC373 # 3.73
RIC12BC373T* RIC12BC410 # RIC12BC410T*
3.73 4.10 4.10
41-10 Note: Please see previous diagrams
for differential identification. # Use With 4-Series Carrier. * Use With 3-Series Carrier. @ Use With 2-Series Carrier.
3.42 41-12 3 RIC49-0070-1 3.73 41-11 3 RIC49-0072-1 3.73 41-11 4 RIC49-0280-1 4.10 41-10 4 RIC69-0204-1 4.10 41-10 3 RIC69-0350-1
GM 10-Bolt 7.5"/7.625" RICGM75373OE * 3.73 41-11 RICGM75410OE * 4.10 41-10 RICGM75410TK @ 4.10 41-10 RICGM75373OE * 3.73 41-11 RICGM75410OE * 4.10 41-10 RICGM75410TK @ 4.10 41-10
Installation Kit RIC83-1018-1 Installation Notes:
3-3.40 ratio and numerically lower carrier 4-3.73 ratio and numerically higher carrier
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2019 TRUCK PARTS AND ACCESSORIES
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