Overview Reviews Product Description Klotz Oil KE-990 Hypoid Differential Gear Oil 80W-90 1 Quart Klotz Oil KE-990 Product Videos Custom Field Product Reviews Write a Review Write a Review × Klotz Oil Klotz Oil KE-990 Hypoid Differential Gear Oil 80W-90 1 Quart Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *