All differentials are configured as follows: - 10 inch crown/pinion set - 1500 hp rated - 35 splined output shafts - dimensions of the units are identical to all other brands and gear ratios are also interchangeable - spool equipped (acts like welded differential, not LSD/Torsen type) - metal die-cast A356-T6 aluminum alloy center housing - 6061-T6 aluminum CNC-machined side covers; - precision-ground 9310 material 4.12 internal gear ratio - 4340 forged output flanges - HRB/NTN bearings On the last photos you can see some dimensional data and chart with the ratios we have in stock with the diffs. NOTE: Price is VAT excluded You do not get ratios and driveshaft input flange with the differential. These can be purchased separately and can be found in the same product category on our website.