Check the listing for details. Engine Baffle Ignition Wire Seal - Two Wire - Zero Degree (Straight Thru). Condition: New. Listed at 30.00 USD. Version 3 Engine Baffle Ignition Wire Seal - Two Wire Lycoming, Continental, and others A part to pass spark plugs wires through the engine cooling air baffle. This part has the exact same mounting hole spacing as the Slick version. Uses #8 washer head screws (included). Max temperature = 300 Fahrenheit. A drill jig is recommended for drilling the holes to mount the seal because the holes have a line fit. Using the seal as a drill jig may oversize the holes and reduce the tight clearance fit. A free drill jig will be included with the purchase of two assemblies in order to complete the installation for the engine. Note: These are priced and sold per assembly. Each assembly contains 2 pieces. The item will ship exactly as pictured. Installation:Use #40 drill bit at drill jig to locate holes in sheet metal 1. Drill and then cleco each hole sequentially Open sheet metal mounting holes to .166 - .175 inch dia.Open center hole as desired, typical 1.125 inch diameterRecommend to use metal locking nutsTorque AN525-832R10 screws to 10 in-lb or 1 N-m, consider metal lock nut running torque