Page 340 - 2018 Master Catalog

GM 8.20” 10 BOLT STYLE
1955-1964 CAR
• 11-5/8” • RG Dia. 8.20”
• 10 Holes • 10-7/16” x 20 RH bolts
• Irregular • Pinion Dia. 1.438” - 17 splines
GM 7.5” & 7.625” STYLE R&P PART NO. DESCRIPTION
• 8-5/16” x 10-9/16” • RG Dia. 7.50” G884355 39-11 Teeth - 3.55 Ratio
• 10 Holes • 10-3/8” x 18 LH bolts
• Oval • Pinion Dia. 1.438” - 27 splines
PART NO. DESCRIPTION OEM REFERENCE # GM 8.20” 10 BOLT STYLE
1964-1972 CAR
G875342 41-12 Teeth - 3.42 Ratio 26026782
G875373 41-11 Teeth - 3.73 Ratio 26036813 • 11” Oval or • RG Dia. 8.20”
G875390 43-11 Teeth - 3.90 Ratio --- 10-5/8” Irreg. • 10-3/8” x 24 RH bolts
G875410 41-10 Teeth - 4.10 Ratio 26014585 • 10 Holes • Pinion Dia. 1.438” - 25 splines
G875456 41-9 Teeth - 4.56 Ratio 26014587
PART NO. DESCRIPTION
G882336 37-11 Teeth - 3.36 Ratio
GM 8.20” 10 BOLT BUICK, OLDS, G882355 39-11 Teeth - 3.55 Ratio
PONTIAC STYLE R&P G882373 41-11 Teeth - 3.73 Ratio
• 10-5/8” • RG Dia. 8.20”
• 10 Holes • 10-3/8” x 20 RH bolts GM 8.5” 10 BOLT FRONT & REAR /
• Irregular • Pinion Dia. 1.438” - 27 splines
8.6” 10 BOLT REAR STYLE
PART NO. DESCRIPTION • 11” Oval or • RG Dia. 8.5”
10-5/8” Irreg. • 10-7/16” x 20 LH bolts
BP882355 39-11 Teeth - 3.55 Ratio • 10 Holes • Pinion Dia. 1.626” - 30 splines
BP882373 41-11 Teeth - 3.73 Ratio
PART NO. DESCRIPTION

GM 8.875” 12 BOLT STYLE CAR G885342 41-12 Teeth - 3.42 Ratio
G885373 41-11 Teeth - 3.73 Ratio
• 10-7/8” • RG Dia. 8.875” G885410 41-10 Teeth - 4.10 Ratio
• 10 Holes • 12-3/8” x 24 RH bolts G885456 41-9 Teeth - 4.56 Ratio
• Oval • Pinion Dia. 1.625” - 30 splines G885488 39-8 Teeth - 4.88 Ratio
G885513 41-8 Teeth - 5.13 Ratio
PART NO. DESCRIPTION
GM10-342 Standard - 41-12 Teeth - 3.42 Ratio
GM10-373 Standard - 41-11 Teeth - 3.73 Ratio
G888342 41-12 Teeth - 3.42 Ratio
G888355 39-11 Teeth - 3.55 Ratio
G888373 41-10 Teeth - 3.73 Ratio
G888411 41-10 Teeth - 4.11 Ratio DANA® 44 STYLE
G888456 41-9 Teeth - 4.56 Ratio • 9-3/8” x 10-1/4” • RG Dia. 8.5”
G888488 39-8 Teeth - 4.88 Ratio • 10 Holes • 10-3/8” x 24 RH bolts
GM12-308 Truck - 40-13 Teeth - 3.08 Ratio • Oval • Pinion Dia. 1.376” - 26 splines
GM12-342 Truck - 41-12 Teeth - 3.42 Ratio
GM12-373 Truck - 41-11 Teeth - 3.73 Ratio DANA REF # DANA REF #
GM12-411 Truck - 37-9 Teeth - 4.11 Ratio PART NO. REAR FRONT DESCRIPTION

D44-373 706017-4X 706017-4X 41-11 Teeth - 3.73 Ratio
DANA® 60 STYLE D44-409 706017-5X 706017-5X 45-11 Teeth - 4.09 Ratio
• RG Dia. 9.75” D44-456 --- --- 41-9 Teeth - 4.56 Ratio
• 12-1/2” x 18 RH bolts
• Pinion Dia. 1.626” - 29 splines

DANA REF # DANA REF #
PART NO. REAR FRONT DESCRIPTION RING GEAR SPACERS
D60-354 706033-1X 706033-1X 46-13 Teeth - 3.54 Ratio PART NO. DESCRIPTION
D60-373 706033-2X 706033-2X 41-11 Teeth - 3.73 Ratio
D60-410 706033-3X 706033-3X 41-10 Teeth - 4.10 Ratio 075050 Spacer Ring 7.5 GM
D60-456 706033-4X 706033-4X 41-9 Teeth - 4.56 Ratio 082050 Spacer Ring 10 Bolt Car 8.2”
D60-488 --- --- 39-8 Teeth - 4.88 Ratio 085050 Spacer Ring 10 Bolt
D60-538 --- --- 43-8 Teeth - 5.38 Ratio 087050 Spacer Ring 12 Bolt Car
088050 Spacer Ring 12 Bolt Truck
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