Shopping Cart Checkout Order Confirmation Checkout Continue shopping “MS3Pro Mini Standalone Engine Management System w/ Harness” has been added to your cart. Product Price Quantity Total Add $124.01 to your cart in order to receive free shipping! MS3Pro Mini Standalone Engine Management System w/ HarnessMS3Pro-Mini-8-PKG Price $674.99 Qty MS3Pro Mini Standalone Engine Management System w/ Harness quantity Total $674.99 × Have a coupon code? Empty Cart Cart totals Subtotal $674.99 Tax $0.00 Total $674.99 - Proceed to checkout