4.56 Nitro Ring & Pinion
for Dana 44

Differential: Dana Spicer Model 44
Gear Ratio: 4.56
Tooth Count: 41/9
Pinion Splines: 26
Ring Gear Bolts: 10 (not included)
Manufacturer: Nitro Gear & Axle
Warranty: 2 Years

Vehicle Applications:

Checker CabChecker


1980-1982 Corvette

1967-1980 Chevy K5 Blazer

1967-1980 GMC Jimmy

1963-1980 Suburban

1963-1979 Chevy K10 4wd Pickup

1973-1980 Chevy K20 4wd Pickup


Dodge Ram W100 1/2 Ton Pickup

Dodge Ram W150 1/2 Ton Pickup

Dodge Ram W1500 1/2 Ton Pickup

Dodge Ramcharger

Plymouth Trailduster1948-1974

Ford F100 1/2 Ton Pickup

1948-1974 Ford F150 1/2 Ton Pickup

1972-1977 Ford Bronco

International Scout


1986 Jeep CJ7

1997-2006 Jeep Wrangler TJ

2005-2006 Jeep Unlimited LJ

1986-1992 Jeep Comanche MJ Metric Ton

1987-1990 Jeep Cherokee XJ

Jeep J10 Pickup

Jeep J20 Pickup

Jeep Wagoneer

Jeep Grand Wagoneer

Jeep Cherokee FSJ

Studebaker Avanti

1965-1968 Sunbeam Tiger

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.


Nitro Gear and Axle Premium Differential Ring and Pinion Gears, Axles and parts


SKU D44-456-NG
Model # D44-456-NG
Barcode # 9319478673922
Brand Nitro Gear
Shipping Weight 5.9000kg
Shipping Width 0.280m
Shipping Height 0.140m
Shipping Length 0.155m