4 Bosch Platinum Resistor 4109 Spark Plugs New Old Stock 4 new old stock Bosch Platinum Resistor 4109 spark plugs mint in original package Plug No. HR9BPY Bosch Platinum’s 99.9% pure platinum center electrode and revolutionary extended insulator design Proven performance: Quicker starts Smoother acceleration Top Fuel efficiency Begins self cleaning within seconds of starting the engine Maintenance free – no need to clean and re-gap after initial setting Shipping within the U.S. via USPS with Delivery Confirmation will be $4.95. Insured U.S. shipping is optional but recommended as I cannot control what happens to your package once I hand it over to the Post Office. If you would like insurance please include $1.70 in the total. If you would like me to ship outside the U.S. please contact me for a shipping quote as international shipping rates will be higher. I do combine shipping on multiple purchases. Please contact me with any questions. I do ask that I receive payment for items within 7 days or I will relist the item(s). For payment I accept Google Checkout, Pay Pal, U.S. money orders and personal checks. I will not ship this item until your personal check has cleared my bank. Please contact me at sanibelsheller@msn.com for my pay pal id and/or my mailing address. I will be happy to send you an invoice through Google Checkout or Pay Pal if you would like just let me know Returns are accepted within 2 days of receiving item. Buyer must contact me at sanibelsheller@msn.com to initiate a return. Buyer pays all shipping fees. Item must be returned in the same condition it was shipped in, unopened or unworn if new etc. Items must be safely received by me before I will issue a refund.