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Home arrow Ring and Pinion Sets arrow GM 10.5" 14 Bolt




  

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Chevrolet GM 10.5" Ring and Pinions Sets Print E-mail

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Having a problem with Chevrolet GMC 10.5 14 bolt rear end?  We offer the most complete line of rear end parts for the GM 14 Bolt, this differential was utilized GM used this very popular differential in there full size Chevrolets 3/4 and 1 ton, C30, C35, K20, K25, G30, G35. Our inventory includes ring gear and pinion sets, including aftermarket and OE gear sets. We are able to supply positraction units, we offer Lockrights by Powertrax, Auburn, Detroit Lockers, Trac Loc and ARB air lockers. We are a Dana Spicer volume distributor and offer a complete line or ring gear and pinions and differential parts.

We can provide ring gear and pinion kits, for replacing current ratios or changing differential ratio for optimizing your performance, in addition to ring and pinion gear sets we offer differential bearing kit, carrier or case replacements including spider and side gear (internal kits). Positraction units and axles are also available to upgrade your existing differential assembly.

Below is a list of the information and parts that we can supply for your GM Cheverolet 14 bolt 10.5" Differential applications:

 Applications Where Used
   Specificatons
 Ring & Pinions Ratios Available
   Differential Parts Available
 Positraction Units
   Differential Assemblies

Specifications are provided below to assist you in the identification and setup as well as torque spec's for your Chevy or GM differential.

Applications

 


Model Year Model

Year

3/4 Ton 1 Ton 73-92 K20, K25

73-96

G30, G35 73-96 K30, K35

73-96

C20, C25 73-96  

 

C30, C35 73-96  

 

 

What differential ratio do you have?

Ring and Pinion Installation Instructions 

Purchase your ring and pinion parts from www.drivetrain.com and receive free technical phone support if required during installation! motivegear_ligduty_large.jpg

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Specifications

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14-7/8 x 13"
14 HOLES
Irregular Gasket Pattern


  • RG Diameter 10.5"
  • 12 9/16 X 18" RH Threaded Bolts
  • PINION Diameter 1.75", 30 Spline

    CASE: 4.10 & Numerically Lower, 4.56 & Numerically Higher

    8620 Material Heat-Treated

    Assembly Specifications:

  • Cover Bolt Ft. Lbs. 20
  • Pinion Bearing Preload In. Lbs 20-25
  • Pinion Bearing Preload In. Lbs 10-15 Used
  • Ring Gear Backlash .005-.009
  • Ring Gear Bolt to case Ft. Lbs. 105
  • Side Bearing Caps Ft. Lbs. 100
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Differential Ring Gear and Pinion Sets

 
Part Number OE Number

Ratio

Teeth

Price

 
G10.5-342  

3.42

41-12

$365.00

 
GM10.5-373  

3.73

41-11

$241.61

Installation Tool, Your Cost $48.98 + S&H.

GM10.5-373OE 327721

3.73

41-11

$366.66

GM10.5-410  

4.10

41-10

$241.61

GM10.5-456  

4.56

41-09

$251.91

GM10.5-456X*  

4.56

41-09

$291.91

GM10.5-488 26054987

4.88

41-09

$291.81

GM10.5-488X*  

4.88

39-08

$266.66

GM10.5-513  

5.13

 

$325.65

*Fits 4.10 & Down Case  

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Differential Parts & Bearing Overhaul Kits

Part Number

Price

 
Case, Empty 10.5" Low

SUP-65-2023A

$220.11

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Order above high performance synthetic oil and friction additive combo kit at time of order for ring and pinion or bearing overhaul kit and pay only $63.95 plus S&H, a $69.00 value. See other Red Line Oil Products that we recommend.

Case, Empty 10.5" High

SUP-65-2023B

$220.11

Bearing Kit (1st Design) 72-88

R14R

$117.50

Bearing Kit (1st Design) 88 & DN (Timken Bearing)

R14RT

$125.50

Master Bearing Kit (1st Design)72-88 (4.10 & DN)

R14RMKH

$146.56

Master Bearing kit (1st Design) 72-88 (4.10 & DN) (Timken Bearing)

R14RMKHT

$156.96

Master Bearing Kit (1st Design) 72-88 (4.56 & Up)

R14RMKL

$136.86

Master Bearing Kit (1st Design) 72-Up (4.56 & Up) (Timken Bearing)

R14RMKLT

$180.56

Bearing Kit (Second Design) 89 & Up

R14RL

$118.28

 
Bearing Kit (Second Design) 89 & Up (Timken Bearing)

R14RLT

$131.31

 
Master Bearing Kit (Second Design) 89 & Up (4.10 & DN)

R14RLMKH

$146.66

 
Master Bearing Kit (Second Design) 89 & Up (4.10 & DN) (Timken Bearing)

R14RLMKHT

$162.82

 
Master Bearing Kit (Second Design) 89 & Up (4.56 & Up)

R14RLMKL

$136.86

 
Master Bearing Kit (Second Design) 89 & Up- (Timken Bearing)

R14RLMKLT

$180.60

 
R & P Installation Kit

GM10.5IK

$50.16

 
R & P Installation Kit

GM10.5IKL

$47.87

 
Pinion Installation Kit Bearing, Seal, Nut (early style)
 MW-R14RPK  $102.95  
Internal Kit 10.5" Open (spider/side gears, cross shaft thrust washer)

SUP-85-2023

$235.55

 
Axle 31 11/16", 8 Lug 30 Spline 73-98 TRUCK, VAN, SUBURBAN L/R

3977383

$197.92

TOUGH Axles!
Superior Alloy
Induction Hardened
Rolled Splines 35% stronger than cut splines
2 Year Warranty!

Axle 37 9/16" 8 Lug 30 Spline 73-91 TRUCK, VAN, SUBURBAN

3977384

$201.88

Wheel Bearing and Seal Kit

A38/2081

$70.60

Inner Hub Bearing and Race Kit

382A/387AS

$83.73

 
Differential Cover

Full Floating Axle, 1973 up 2500 & 3500, Check to ensure that you have Full-Floating Axle it will have a 6 bolt flange holding in the pinion just behind the pinion yoke. Increase the fluid capacity to six quarts, overall height 4 1/8", you will find that the fluid will run 15 to 20 degrees cooler.

DTSGM14 Bolt 10.5"

$270.00

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Description Positraction Units

Part Number

Price


What's the difference in Positraction's?

Check out Differentials what's the Difference

Detroit Locker 30 Spline (install inside your case)

225S10

$548.28

Eaton Positraction 30 spline 4.56 and up, 1973 and up

19610-010

$599.00

Eaton Positraction 30 spline 4.10and down

19689-010

$$599.00




Gov-Loc Positraction

SUP-GL105

$492.62




Lockright Powertrax 30 spline

1955

$309.50




No-Slip Powertrax 30 spline

92-0705-3000

$485.75

 

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Differential Assemblies

  Drum to Drum Disk to Disk - complete assemblies including axles, ring gear, pinion, internal kit to brake flanges some units even have brakes including hubs.

Description

Part Number

Price

10.5" 14 bolt Open Carrier 3.73 Ratio Drum

SIXGM14-373

$899.98

10.5" 14 bolt Open Carrier 4.10 Ratio Drum

SIXGM14-410

$899.98

10.5" 14 bolt Locker 4.56 Ratio Drum

SIXGM14-456

$899.98

Front 9.25IFS-373 Open Carrier 3.73 Ratio

GM925IFS-373

$1099.98

 
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