Nitro-Gear Ring & Pinions are made in OEM manufacturing facilities and are among the best in the industry. Precision Computer Numerical Control Machining, Precision Heat Treating processes and Rockwell tested for hardness ensure strength and excellent fitment.

Computer Controlled Fine R&P Full Gear Lapping ensures installer-friendly ease of installation, excellent contact patterns, and a quiet-running, long-lasting setup.

1963-1979 CORVETTE
DIFFERENTIAL RING & PINIONS

9
GMVET-273-NG

 C3 CORVETTE 2.73 R&P (63-79)

Price: Call

9
GMVET-390-RG

C3 CORVETTE 3.90 R&P (63-79)

Price: $375.00

3
GM CI Vette, 63-79 Corvette, Cast Iron, 4.10 & Up,

Auburn Pro Series LSD

Price: $492.3 

Price: $375.00

9
GMVET-308-NG

C3 CORVETTE 3.08 R&P (63-79)

Price: $339.00

9
GMVET-411T-NG*

C3 CORVETTE 4.11 THICK R&P (FITS 3 SERIES POSI CASE)

Price: $345.00

4
GM, Corvette, Cast Iron, 4.10 & Up, Eaton Posi

Price: $585.57  

9
GMVET-336-NG

C3 CORVETTE 3.36 R&P (63-79)

Price: $339.00

9
GMVET-433T-NG

C3 CORVETTE 3.36 R&P (63-79)

Price: $339.00

4
GM, Corvette, Cast Iron, 2.73-3.90

Eaton Posi

Price: $593.84  

9
GMVET-355-NG

C3 CORVETTE 3.55 R&P (63-79)

Price: $339.00

5
GM CI Vette, 63-79 Corvette, Nitro Rear Carrier Bearing Kit

Price: $46.20  

1
GM Corvette C2, C3, Nitro Master Install Kit, Cast Iron

1963-1979

Price: $125.74

9
GMVET-370-NG

C3 CORVETTE 3.70 R&P (63-79)

Price: $339.00

2
GM CI Vette, 63-79 Corvette, Cast Iron, 3.08-3.90

Auburn Pro Series LSD

Price: $492.30

6
GM Cast Iron Corvette, 1963-79, Nitro Rear Mini Install Kit

Auburn Pro Series LSD

Price:  $57.75 

NOTE: THICK GEARS DIRECT FIT THE 3-SERIES POSI CASE (3.73 & DOWN)

1963-1979 DIFFERENTIALS

23
Remanufactured 1963-1979 Differentials Includes
New Nitro Ring & Pinion CNC Pre-Lapped, Bearings Timken or Koyo USA (6),
CR or National Seals (3), Eaton Clutch Pack with Retainers, Cross Shaft, Crush Collar, Ring Gear Bolts (10), Pinion Yoke Chinch Nut with Hardened Washer, All Shims and Spacers. 3 Year Limited Warranty.

Sever Duty Options, Positractions, R & P Prep, and the like.

$990.00 Exchange with your core in.

1980-1982 CORVETTE
DIFFERENTIAL RING & PINIONS

9
D44-272-NG

1980-82 CORVETTE 2.72 R&P

Price: Call

9
D44-373-NG

1980-82 CORVETTE 3.73 R&P

Price: $199.00

9
D44-411T-NG

1980-82 CORVETTE 4.09 THICK R&P (FITS 3.73 & DOWN Posi CASE [3 series])

Price: $219.00

9
D44-308-NG

1980-82 CORVETTE 3.07 R&P

Price: $199.00

9
D44-373BP-T-NG

D-44 3.73    New Generation Large Pinion!  Includes choice of 1310 or 1350 Yoke This is a Strength Up-Grade System.

Price: $549.00

9
D44-427-NG

1980-82 CORVETTE 4.27 R&P (REQ 4-SERIES POSI CASE)

Price: $230.00

9
D44-3.21BP-T-NG

Large Pinion Strength Up-Grade 3.21 R&P
Includes choice of 1310 or 1350 Yoke

Price: $549.00

9
D44-373-OE

Original Equipment Manufacturer, Dana R&P 3.73

Price: $329.00

9
D44-456-NG

1980-82 CORVETTE 4.56 R&P (REQ 4-SERIES POSI CASE)

Price: $208.00

9
D44-331-NG

1980-82 CORVETTE 3.31 R&P

Price: $339.00

9
D44-392-NG

1980-82 CORVETTE 3.92 R&P

Price: $208.00

9
D44-456T-NG

1980-82 CORVETTE 4.56 R&P (FITS 3.73 & DOWN POSI CASE [3 series])

Price: $228.80

9
D44-354-NG

1980-82 CORVETTE 3.54 R&P

Price: $199.00

9
D44-411-NG

With 3/8" & 7/16" R/G bolts, 4.09 R&P

Price: $208.00

9
D44-4.88-NG

1980-82 CORVETTE 4.88 R&P (with 3/8" & 7/16" R/G bolts, Req 4 series case)

Price: $228.00

1980-1982 DIFFERENTIALS

24
1980-1982 Differential Remanufactured

Includes: New Nitro Ring and Pinion CNC Pre-Lapped, Timken or Koyo USA Bearings (6), CR or Federal Mogul seals (3), Dana Clutch Pack with retainers, Positraction Cross Shaft, Dana Ring Gear Bolts (10),
Pinion Yoke Cinch Nut with Hardened Washer, All Shims & Spacers. 3 year Limited Warranty.

$789.00 exchange with core in.

1984-1996 CORVETTE
DIFFERENTIAL RING & PINIONS DANA 36
(automatic trans)

9
D36-354-NG

CORVETTE 84-96 D36 3.54 R&P (3.07 & UP Posi CASE)

Price: $429.00

9
D36-354T-NG

CORVETTE 84-96 D36 3.54 R&P, THICK (2.72 & DOWN Posi CASE)

Price: $345.00

9
D36-373-NG

CORVETTE 84-96 D36 3.73 R&P (3.07 & UP Posi CASE)

Price: $429.00

9
D36-373T-NG

CORVETTE 84-96 D36 3.73 R&P, THICK (2.72 & DOWN Posi CASE)

Price: $345.00

NOTE: 2.59, 2.72 and 3.07 Ring and Pinions are also available, call for prices.

DANA 36 DIFFERENTIALS

SPECIAL PRODUCTION DANA 36 1984-1996 AND HEAVY-DUTY DANA 36

RE-MANUFACTURED CORVETTE DANA 36 DIFFERENTIAL
$499.00 for a standard Full Rebuild with your core in.
Includes New Timken or Koyo USA Bearings (6), CR Seals (3), Dana Clutch Pack with retainers, Cross Shaft, Dana Ring Gear Bolts (10), pinion Cinch Nut with hardened Washer, all Shims and spacers as Required.
Everything except for a New Ring & Pinion. A quality OEM grade R&P is used.

DANA-36 RE-MANUFACTURED WITH NEW RING & PINION
(RATIO CHANGE) $989.00 Exchange* New Ring and Pinion, ratios available: 2.59, 2.72, 3.07, 3.54, 3.73. Includes Housing Zyglo and/or Penetrant Dye w or w/o black light, machine as required Timken or Koyo USA Bearings (6), CR Seals €, Dana Trac Lock, Positraction Clutch Pack with retainers & Cross Shaft, Ring Gear Bolts (10), Pinion Nut with hardened washer, shims and spacers as required.

HEAVY DUTY DANA 36
Our Heavy Duta Dana 36 INCLUDES: Aluminum Housing de-burred and stress relived, New Timken or Koyo USA Bearings, CR Seals New, Off-Set Heat Treated and CNC Pre-lapped Nitro Ring & Pinion, New HD Pinion Yoke, Blueprinted Nitro Positraction. $1,3900.

1984-1996 CORVETTE
DIFFERENTIAL RING & PINIONS DANA 44-HD
Manual trans also fits Viper

9
D44HD-308-NG

84-96 CORVETTE D44-HD 3.07 R&P INCL VIPER

Price: $389.00

9
D44HD-373-OE

3.73 DANA GEARS VETTE & VIPER (7/16" R/G bolts)

Price: $380.00

7
4.88 Ratio, Nitro Ring & Pinion (Includes Yoke & Bolts) for Dana 44HD

Price: $377.99

8
Dana 44HD, D44HD, 3.90 Ratio, OEM Ring & Pinion

Price: $359.99

10
Dana 44HD, D44HD, 3.73 Ratio, OEM Ring & Pinion

Price: $624.95

9
D44HD-333-NG

84-96 CORVETTE D44-HD 3.33 R&P INCL VIPER

Price: CALL

9
D44HD-390-NG

3.90 R&P VETTE& VIPER (7/16" R&G bolts)

Price: $349.00

7
3.55 Ratio, Nitro Ring & Pinion for Dana 44HD

Price: $353.85

7
4.11 Ring & Pinion, WJ, ZJ, Viper & Vette, 29 Spline 3/8" & 7/16" Bolts for Dana 44HD

Price: $377.99

9
D44HD-354-NG

84-96 CORVETTE D44-HD 3.54 R&P INCL VIPER (3/8" R/G Bolts)

Price: $389.00

9
D44HD-411-NG

84-96 CORVETTE D44-HD 4.10 R&P Incl VIPER (3/8" R/G BOLTS) Uses D44 JK Rear C/S

Price: $389.00

10
Dana® 44HD, D44HD, 4.30 Ratio, OEM Dana® Spicer® Ring & Pinion

Price: $359.99

7
3.08 Ratio, Nitro Ring & Pinion for Dana 44HD

Price: $377.99  

9
D44HD-355-OE

3.55 R&P DANA GEARS WITH 7/16" R/G BOLTS

Price: $380.00

9
D44HD-456-NG

84-96 D44-HD 4.56 R&P INCL VIPER (available with 3/8" & 7/16" R/G Bolts)

Price: $389.00

7
Dana 44HD Ring & Pinion 4.56 Ratio, Nitro Ring & Pinion for Dana 44HD

Price: $377.99

8
Dana 44HD, D44HD, 3.55 Ratio, OEM Ring & Pinion

Price: $360.00

9
D44HD-355-OE

3.55 R&P DANA GEARS WITH 7/16" R/G BOLTS

Price: $380.00

12
5.13 Ratio, Nitro Ring & Pinion (Includes Yoke & Bolts) for Dana 44HD

Price: $377.99 

10
Dana 44HD, D44HD, 4.10 Ratio, Dana Spicer OEM Ring & Pinion

Price: $549.99

9
3.73 Ratio, 3/8 ring gear bolt, Nitro Ring & Pinion for Dana 44HD

Price: $377. 

DANA 44HD DIFFERENTIALS

VIPER Dana 44HD Differentials
1984-1996 Corvette Differentials
Corvette Differentials Special Heavy-Duty Parts
Corvette Dana 44HD, Dana 36 and Heavy-Duty Dana 36
Re-Manufactured Differentials with new Gear Sets
All Differentials are Custom Built

All Dana 44HD differentials are available with any of our Ring & Pinion Ratios:
3.07, 3.45, 3.54, 3.54 w/7/16” ring gear bolts, 3.73 and 3.73 w/ 7/16” ring gear bolts,
3.90 with 7/16” ring bolts,
4.10 with 3/8” ring bolts,
4.56 with 3/8” & 7/16” ring bolts,
4.88 with 3/8” & 7/16” ring bolts.
Tech Note: 3/8” ring gear bolts are stock for Corvette and early Viper.

We supply other Sever Duty Ring & Pinion and Positraction systems available on special order
Using 7/16” and 1/2” ring gear bolts with Helical gear and 4 Pinion Positractions to match.

DANA-44HD RE-MANUFACTURED units with Limited Street 5-year warranty (same ratio).
$595.00 With Core in. Includes:
NEW Timken or Koyo Bearings (6), CR Seals (3), Dana full metallic Clutch Pack with Retainers, Cross Shaft and Spider Gear thrust Washers, Dana Ring Gear Bolts (10), Pinion Yoke Cinch Nut with hardened Washer, all Shims and spacers.

DANA-44HD WITH NEW NITRO RING & PINION Built to order.
Re-manufactured WITH NEW RING & PINION From $940.00 w/exchange*
See Dana 44HD New Gear selection listed above and ask about Sever Duty Options.

DANA 44HD CONVERSION TO ANY OF OUR 10 RATIOS.
All differentials are custom built. Available as stock with factory heat treat or special heat treatments for greatly improved longevity in performance use, Housing Zyglo tested, de-burr, stress relieve and machine as required. For Refundable Core cost please call, costs fluctuate.

CUSTOM BUILT POSITRACTIONS
We offer a complete selection of assembled Trac Lok posi’s, modified posi’s, clutches, spiders, internal kits standard or polished posi cases, posi internal kits. Our high-performance units receive our special Off-Set heat-treated gears and 4340 cross shaft to resist breakage.
Custom Built. Call for Prices.

SEVER DUTY RING & PINION WITH BOTH
7/16" AND 1/2" R/G Bolts
Positractions are available-call

9
D44JK-411-NG

D44HD 4.11 thick 7/16" & 1/2" R/G Bolts

Price: $399.00

21
GM CI Vette, 63-79 Corvette, Cast Iron, 3.08-3.90

CI Vette Pro Posi 3.08-3.90, 1963-1979 GM

Price: $492.30
20
Dana 44 & 44HD, Corvette & Viper Eaton Truetrac Limited-Slip Differential 913A614

D44HD Viper, Vette C3 & C4 Only (Not WJ Or ZJ) Truetrac Posi

Price: $961.43
13
GM Corvette C2, C3, Nitro Master Install Kit, Cast Iron

1963-1979

1963-1979 Cast Iron Vette, (Incl Side Bearings & Seals)

Price: $125.74
9
D44JK-456-NG

D44HD 4.56 thick 7/16" & 1/2" R/G Bolts

Price: $399.00

21
GM CI Vette, 63-79 Corvette, Cast Iron, 4.10 & Up

CI Vette Pro Posi 4.10 & Up, 1963-1979 GM (W/Spacer)

Price: $492.30
 
19
Dana 44, D44, Independent Corvette Axle, 30 Spline, 3.73 & Down, Trac Lock

D44 (HD & IRS) T/L For Vette Complete Posi

Price: $470.50
14
GM Corvette C5, C6, Nitro Master Install Kit. Getrag Transaxle

1997-2013

1997-2013 Corvette C5 & C6 Master Kit, (Fits Getrag Transaxle)

Price: $313.95  
9
D44JK-488-NG

D44HD 4.88 thick 7/16" & 1/2" R/G Bolts

Price: $399.00

22
GM, Corvette, Cast Iron, 4.10 & Up, Eaton Posi

CI Vette 4.10 & Up Eaton Positraction Complete

Price: $585.57  
16
Install Kit for Dana 44

Rear D44HD Corvette & Viper Nitro Master Install Kit

Price: $272.99

15
GM HO72 Nitro Master Install Kit, w/Load Bolt

GM HO72 with Load Bolt Master Install Kit

Price: $882.00
9
D44JK-5.13-NG

D44HD 5.13 thick 7/16" & 1/2" R/G Bolts

Price: $399.00

22
GM, Corvette, Cast Iron, 2.73-3.90

 Eaton Posi CI Vette 2.73-3.90 Eaton Positraction Complete Price:

$593.84

17
1980-1982 Corvette, ICA, Nitro Master Install Kit for Dana 44

D44 Corvette ICA Nitro Master Installation Kit

Price: $146.51 
18
1984-1996 Corvette, ICA

D36 Corvette ICA Nitro Master Installation Kit

Price: $135.44

1997 & UP CORVETTE GETRAG
DIFFERENTIAL RING & PINIONS

GMVC5-342-NG-2
GMVC5-342-NG

C5 97+ CORVETTE 3.42 R&P GETRAG TRANSAXLE

Price: $395.00

GMVC5-342-NG-2
GMVC5-373-NG

C5 97+ CORVETTE 3.73 R&P GETRAG TRANSAXLE

Price: $415.00

GMVC5-342-NG-2
GMVC5-390-NG

C5 97+ CORVETTE 3.90 R&P GETRAG TRANSAXLE

Price: $395.00

GMVC5-342-NG-2
GMVC5-390T-NG

C5 97+ CORVETTE 3.90 THICK R&P GETRA TRANSAXLE (Fits 2.72 Carrier)

Price: $395.00

GMVC5-342-NG-2
GMVC5-410-NG

C5 97+ CORVETTE 4.10 R&P GETRAG

Price: $395.00

1963-1996 DIFFERENTIAL
SIDE YOKES

61Vwasy9ioL._AC_SL1500_
-

Heavy Duty Big Block Yokes with Caps & bolts, Left & Right,

Price: $195.00 Each

61Vwasy9ioL._AC_SL1500_
YOK D44-LH

1980-81& MANUAL & ALL 82 LEFT SIDE YOKE

Price: $205.00 Each

61Vwasy9ioL._AC_SL1500_
-

U-Bolt Standard Yokes, Left & Right

Price: $175.00 Each

61Vwasy9ioL._AC_SL1500_
YOK D44-RH

1980-81 MANUAL & ALL 82 RIGHT SIDE YOKE

Price: $205.00 Each

61Vwasy9ioL._AC_SL1500_
SIDE YOKES DANA 44 HD

SUPPLY LIMITED, SOLD BY PAIRS ONLY

Price: $386.00

61Vwasy9ioL._AC_SL1500_
YOK D44HD-LH

1984-96 CORVETTE LEFT SIDE YOKE (Manual)

Price: $190.99

61Vwasy9ioL._AC_SL1500_
YOK D44 AUTO-LH

80-81 CORVETTE LEFT SIDE YOKE for AUTO

Price: $205.00

61Vwasy9ioL._AC_SL1500_
YOK D44HD-RH

1984-96 CORVETTE RIGHT SIDE YOKE (Manual)

Price: $185.99

61Vwasy9ioL._AC_SL1500_
YOK D44 AUTO-RH

80-81 CORVETTE RIGHT SIDE YOKE for AUTO

Price: $205.00