Check the listing for details. Spark plug fittings with inch thread 3/16-40. Condition: New. Listed at 22.00 USD. Spark plug fittings with inch thread 3/16-40 Inch threaded 3/16-40 spark plug fitting with an insulated cap. It is suitable for use on R29, R30,R31,R32 and R18 enginesPayment: We accept PayPal only.All major credit cards are accepted through secure payment processor PayPal.Shipping: We Ship to Worldwide, by defaul to your paypal address(If you need ship to different address, please leave message when you do payment).Items will be shipped within 3 business day once payment confirmed.Delivery time depends on destination and other factors, it may takes up to over 20 business days.Customer Service: We have always been trying to provide the best service and reliable products for every customer. Please contact us to resolve any issue before leaving negative feedback.The buyer is responsible for paying any amount charged by the government of the buyer's country. This includes, but is not limited to, any duty, tax, GST, COD or similar charges.