Thank you for your kind review! We're so happy to hear that you are satisfied with our American made Kelsey Hayes 4-Piston Direct Fit Front Left Caliper Assembly. We appreciate your suggestion for stainless brake pad retainers and bolts, and we will definitely take it into consideration for future products. Our team is always here to assist you with any questions or concerns. Thank you for choosing our top shelf parts and for your support of our American company. Have a great day!