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D30 4.88:1 Ratio (Front)
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D30 4.88:1 Ratio (Front)

$299.00FREE SHIPPING

Product Details

Nitro Ring & Pinions are among the best in the industry.  By using better materials, machining, heat treating and lapping process, Nitro can ensure a strong, quiet running, long lasting setup.  Every new application is put through multi point inspections and actually installed and set up by Nitro's in-house differential experts to ensure excellent fitment and easy setup. 

Precision machining & heat treating processes ensure strength and excellent fitment.

Computer controlled fine gear lapping ensures ease of installation, excellent contact patterns and a quiet running setup



Front Differential: Dana Spicer 30 Std Rotation Short Pinion

Ratio: 4.88

Tooth Count: 39-8

Material: 8620 Steel Forgings

Warranty: 2 years

Pinion Spline Count: 26

# of Ring Gear Bolts: 10 (Dual pattern with 3/8" & 7/16" Bolt Holes)

Ring Gear bolts are not included with gear sets.



  • Model: D30S-488TJ-NG



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