The PHP Intake Spacer with Gasket raises the intake cover for improved flow and less air restriction while delivering 4-8 more horsepower and torque. For naturally aspirated and supercharged vehicles. *** Shipping costs: Your product will be shipped via UPS. The shipping and handling costs (including insurance) will be calculated by the weight of the product, total cost of the order, and your zip code, then added when we ship your order. The “Extra Shipping $0.00" below refers to the need for freight via truck transport. ***