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8.5" / 8.6" 10 Bolt GM

8.5" / 8.6" 10 Bolt GM

Specifications

10-5/8"
10 HOLES
Irregular Gasket Pattern

  • RG Diameter 8.50"
  • 10 7/16" X 20 LH Threaded Bolts
  • PINION Diameter 1.626", 30 Spline

    CASE: 2.56 & Down, 2.73 Numerically Higher

    8620 Material Heat-Treated

    Assembly Specifications:

  • Cover Bolt Ft. Lbs. 20
  • Pinion Bearing Preload In. Lbs 24-25
  • Pinion Bearing Preload In. Lbs 10-15 Used
  • Ring Gear Backlash .005-.009
  • Ring Gear Bolt to case Ft. Lbs. 90
  • Side Bearing Caps Ft. Lbs. 60

Applications

Model Year Model

Year

Chevrolet 70-76 Trans-AM

72-81

Chevelle 70-76 C10, K10 & K20 Front

77-87

Chevy II 70-75 Blazer Front

77-91

Camaro 70-81 C10, K10 & Blazer

80-94

GTO/Firebird 70-81 K1500 Front IFS
88 & Up
Olds F-85 70-76 K2500 Front IFS
88 & Up
Z-28 72-81    

 

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8.5" & 8.6" GM 30SPL, 2.73-5.57, DETROIT LOCKER, LRG 1.785" JRNL DIAM
$645.70
SKU: DET187C-148A
8.5" & 8.6" GM 30SPL, 2.73-5.57, DETROIT LOCKER, LRG 1.785" JRNL DIAM Learn More

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8.5" GM 10 BOLT FRONT OR REAR KIT

Regular Price: $98.99

Special Price: $85.00

SKU: MK GM8.5
8.5" GM 10 BOLT FRONT OR REAR KIT Learn More

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8.5" GM 2.73 & UP, 28 SPLINE

Regular Price: $935.00

Special Price: $765.00

SKU: ARBRD10
8.5" GM 2.73 & UP, 28 SPLINE Learn More

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8.5" GM 2.73 & UP, 30 SPLINE AIR LOCKER

Regular Price: $935.00

Special Price: $765.00

SKU: ARBRD28
8.5" GM 2.73 & UP, 30 SPLINE AIR LOCKER Learn More

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8.5" GM 2.73 R&P..
$229.97
SKU: GM8.5-273-MG
8.5" GM 2.73 R&P.. Learn More

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8.5" GM 28 SPL LOCKER 2.73 & UP (USES HD BRGS)
$645.70
SKU: DET187C-149A
8.5" GM 28 SPL LOCKER 2.73 & UP (USES HD BRGS) Learn More

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8.5" GM 3.08 R&P

Regular Price: $232.10

Special Price: $198.35

SKU: GM8.5-308-NG
8.5" GM 3.08 R&P Learn More

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8.5" GM 3.23 R&P

Regular Price: $237.85

Special Price: $190.23

SKU: GM8.5-323-NG
8.5" GM 3.23 R&P Learn More

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8.5" GM 3.42 R&P

Regular Price: $200.20

Special Price: $177.47

SKU: GM8.5-342-NG
8.5" GM 3.42 R&P Learn More

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8.5" GM 3.42 R&P
$202.10
SKU: GM8.5-342-MG
8.5" GM 3.42 R&P Learn More

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8.5" GM 3.73 R&P
$202.10
SKU: GM8.5-373-MG
8.5" GM 3.73 R&P Learn More

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8.5" GM 3.73 R&P (USE OEM 4 IMPALA & CAPRICE)

Regular Price: $200.20

Special Price: $177.47

SKU: GM8.5-373-NG
8.5" GM 3.73 R&P (USE OEM 4 IMPALA & CAPRICE) Learn More

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8.5" GM 4.11 R&P

Regular Price: $200.20

Special Price: $177.47

SKU: GM8.5-411-NG
8.5" GM 4.11 R&P Learn More

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8.5" GM 4.11 R&P
$202.10
SKU: GM8.5-411-MG
8.5" GM 4.11 R&P Learn More

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8.5" GM 4.56 R&P

Regular Price: $200.20

Special Price: $177.47

SKU: GM8.5-456-NG
8.5" GM 4.56 R&P Learn More

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8.5" GM 4.56 R&P
$202.10
SKU: GM8.5-456-MG
8.5" GM 4.56 R&P Learn More

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8.5" GM 5.13 R&P

Regular Price: $225.50

Special Price: $182.11

SKU: GM8.5-513-NG
8.5" GM 5.13 R&P Learn More

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8.5" GM REAR MINIMUM INSTALL KIT

Regular Price: $51.70

Special Price: $13.09

SKU: IK GM8.5
8.5" GM REAR MINIMUM INSTALL KIT Learn More

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8.5" GM W/PRO AG, EATON, OR DETROIT

Regular Price: $117.70

Special Price: $100.28

SKU: MK GM8.5-HD
8.5" GM W/PRO AG, EATON, OR DETROIT Learn More

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8.5" OLDS 28 SPL MASTER INSTALL KIT
$142.00
SKU: MK GM8.5OLDS-28
8.5" OLDS 28 SPL MASTER INSTALL KIT Learn More

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