Champion Spark Plug DJ7Y #855 #885C Replaces: RDJ7Y BPM6F 018-3013-2, Select: Card or Shop Pack Purchase is for one spark plug. DJ7Y Spark Plug for 2-Cycle and 4-Cycle Engines Maintain your chain saw or trimmer's engine performance with the Champion Spark Plug for Chain Saws and Trimmers. The spark plug is designed to withstand high operating temperatures and has a 14mm thread. Thread: 14 mm Reach: 8-1/4 mm Wrench Hex: 5/8 in Installed Height: 1.5 in Withstands high temperatures Non-resistor UPC Card: 037551011292 UPC Box: 037551000951 Model: DJ7Y MPN: Shop/Box #855, Card: #885C USA domestic shipments are shipped USPS Ground Advantage Mail with Tracking When buying different variations from the same or similar listings, the lowest shipping cost is obtained by buying the total number of units wanted from 'One Variation' and then leaving a message within your order defining what items you want to receive and the number of each item you want to receive. The number of items requested cannot exceed the number shown as being in stock. This stops from restarting the total weight summation for each variation. The message link is on the same page where you select method of payment.USPS postage cost is based on total weight and zip code. The cost breakdown is shown before payment is required and the discount for multiple purchases is shown as a separte credit in the list.