Overview Other Details Reviews Product Description RACK AND PINION UNIT\n\nRACK & PINION UNIT, 2-MOUNTING HOLES, SPREAD ON MOUNTING HOLES IS 1-1/4 .\nOVERALL WIDTH HOLE TO HOLE IS 11".\n\n5/8 x 36 spline shaft.\n\n16-2180 - 11" Rack & Pinion Unit - 5/8 - 36 Spline. Other Details 6 Month Product Videos Custom Field Product Reviews Write a Review Write a Review × EMPI RACK & PINION STEERING UNIT Jeep Rock Crawler Sand Rail 11" 5/8X 36 SPLINE Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *