Price is for EACH plug PWH-ATL-103$2.86 Choose: Autolite 103 - 3/4 Reach Taper Seat, Cold, CopperAutolite 3924 - 3/4 Reach 1 step Colder gasket seatAutolite 3923 - 3/4 Reach 2 step Colder gasket seat www.realspeedauto.com Ph.631-563-7325 All parts listed are for the Ford Mustang unless otherwise noted. Copyright 2018 Realspeed Automotive Inc. All rights reserved.