Cart Continue shopping “Certified Lubricating Grease Specialist (CLGS) Exam Preparation” has been added to your cart. Continue shopping “Advanced Lubricant Additive Chemistry” has been added to your cart. Product Price Quantity Total × Improving Your Oil Analysis Program - a Short Course $99.00 Improving Your Oil Analysis Program - a Short Course quantity $99.00 × Certified Lubricating Grease Specialist (CLGS) Exam Preparation $1,800.00 Certified Lubricating Grease Specialist (CLGS) Exam Preparation quantity $1,800.00 × Advanced Lubricant Additive Chemistry $299.00 Advanced Lubricant Additive Chemistry quantity $299.00 Code: Apply code Update cart Cart totals Subtotal $2,198.00 Total $2,198.00 Proceed to checkout Coupon codes are not eligible to be used for exam fees. A separate transaction is required.