3.73 Nitro Ring & Pinion Kit
for Dana 44

Nitro's Big Pinion conversion kit for Dana 44 offers you a significant increase in strength over your typical Dana 44 axle with the later “New Generation" type gears used in 2007 & newer Jeep Wrangler JK axles.

The difference:
- Larger 24 spline (Dana 60 sized!) Pinion shaft which measures 1.25" vs. standard 26 spline shaft which measures 1.11"
- Larger 8.875" diameter ring gear vs Standard 8.5" ring gear

Nitro "Big Pinion Kit" Includes:
-Ring, pinion, pinion bearings, seal, nut, solid spacer, shims, bearing spacer and ring gear bolts.)
-1310 or 1350 series pinion yoke.

Differential:	Dana Spicer Model 44
Gear Ratio:	3.73 Thick
Tooth Count:	41/11
Pinion Splines:	24 Large Spline
Ring Gear Bolts:	10 (included)
Manufacturer:	Nitro Gear & Axle
Warranty:	2 Years

Tech Note:
This is an aftermarket upgrade kit, clearance grinding on the housing will be required.

Nitro gears are manufactured from 8620 steel gear forgings in the same manufacturing facilities as GM, Dodge, Ford & Toyota. They are precision machined using computer controlled processes, heat treated, CNC triple-lapped and Rockwell tested for hardness. These extra steps ensure excellent fitment, ideal contact pattern and smooth, quiet operation.

• Fits most “Traditional” type standard “low pinion” Dana 44
• Some Common Vehicle Applications:
  
• 1967-1980 Chevy/GMC K5 Blazer/Jimmy Front
  
• 1967-1980 Chevy & GMC Suburban 4x4 Front
  
• 1967-1980 Chevy & GMC K10 K20 4x4 Pickup Front
  
• 1967-2001 Dodge W100 W150 W1500 4x4 Pickup Front
  
• 1967-1997 Dodge W200 W250 W2500 4x4 Pickup (Not Cummins or V10) Front
  
• 1974-1993 Dodge Ramcharger Front
  
• 1974-1981 Plymouth Trailduster Front
  
• 1948-1979 Ford F100 F150 Rearend
  
• 1967-1976 Ford F150 4x4 Front
  
• 1967-1977 Ford F250 4x4 Front
  
• 1972-1977 Ford Bronco Front
  
• 1971-1980 IHC Scout II, Traveler, & Terra
  
• 1970-1986 Jeep J10 J20 Pickup
  
• 1974-1985 Jeep Wagoneer
  
• 1975-1985 Jeep Cherokee FSJ
  
• 1986-1992 Jeep Grand Wagoneer
  
• 1967-1975 Jeep CJ5
  
• 1986 Jeep CJ7
  
• 1986-1992 Jeep Comanche MJ Metric Ton
  
• 1987-1990 Jeep Cherokee XJ
  
• 1997-2006 Jeep Wrangler TJ
  
• 2003-2006 Jeep Wrangler Rubicon TJ
  
• 2004-2006 Jeep Wrangler Unlimited LJ
  
• 2005-2006 Jeep Wrangler Unlimited Rubicon LJ
  
• 1965-1968 Sunbeam Tiger

*All Nitro Gear & Axle brand products are warrantied to be free of manufacturer defects for the specified period. Warranty requests must be made by the original purchaser and submitted by the dealer purchased from. Any parts sent for warranty consideration must be pre-approved and shipped prepaid freight to our facility with copy of RGA for our inspection & determination. We will not pay for labor, shipping cost, loss of revenue or perishable goods, commercial losses, costs of telephone calls, shipping or general inconvenience. This is our only warranty expressed or implied. Unauthorized warranty returns may be refused. Warranty generally covers MFG defects in material or workmanship. Abuse, overloading, improper lubrication, misuse, commercial or competition use voids warranty. Normal characteristics are not warrantable, such as Gear whine. Minor cosmetic flaws, dings, burrs from shipping or manufacturing, are not considered defect, it is installer responsibility to address these at time of install. Customer is responsible for shipping charges if warranty is granted. Warranty is for the original purchaser/user, is not transferable. Warranty covers one replacement or credit solely at our discretion. Warranty determinations are at our sole discretion.

In addition to the above conditions, see special notes for these products:

Ring & Pinion – Warrantied against manufacturing defects. 2 years from date of purchase. Must provide set-up specs.

Chromoly front Axles, Excalibur Joints, 30/30 Birfield kits - Warrantied against manufacturing defects for the life of the vehicle. These products are also covered for Breakage. The Shaft / joint must be BROKEN. Wear, twisting, bending are not warrantable. Damages caused by failure of other parts are not warrantable, for example broken U-joint (other than Nitro Excalibur) causing damage to Axle ears.

Rear Chromoly Axles - Warrantied against manufacturing defects for 5 years. These products are also covered for Breakage. The Shaft must be BROKEN. Worn, twisted, or bent axles are not warrantable.