Hi All, Selling a brand new, unused, Currie Rock Jock Front Extreme 60 bare housing with inner axles. 70" WMS to WMS. For the offset I measured the center line of the pinion shaft over to the center of the ball joint. Here are the measurements: driver side: 21 1/4 inches. Passenger: 33 1/4 inches. The spec information is available on line Currie Rock Jock.$1,900. Contact Dan at 818-631-8299. Text me and I will send you photos.