RTS's Thread pitch on this pinion nut is 3/4"-20. Fits 8" and 9" Ford rear axles. This pinion nut is ready for install with red thread locker coating pre-applied for a complete installation on your next project. Thread pitch on this pinion nut is 3/4"-20 Fits Ford 8 inch and 9 inch Ford rear axles Material Type: Steel 28 Spline Pinion

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