The Revolution Gear & Axle ring and pinion set for Dana 30 front axles supplies a 4.10 final-drive ratio replacement matched to that axle family. The overview clearly states the product identity and its use in front-axle gearing service. This matched ring and pinion set is intended as the correct gearing replacement when rebuilding or repairing Dana 30 front axles.
Revolution Gear & Axle Dana 30 Front Axle 4.10 Ratio Ring & Pinion Set