OER Parts offers a wide selection of Dress Up Bolts for your Mercury Cougar. OER Parts offers Mercury Cougar Valve Cover Bolt Set, Mercury Cougar Exhaust Manifold Bolt Set, Mercury Cougar Header Bolt Set, Mercury Cougar Intake Manifold Bolt Set, Mercury Cougar Fuel Pump Bolt Set, Mercury Cougar Timing Cover Bolt Set, Mercury Cougar Water Pump Bolt Set, Mercury Cougar Oil Pan Bolt Set, Mercury Cougar Chrome Engine Bolt Set and more...