View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1978 Cadillac Eldorado with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.
 OUT OF STOCK 3142NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Spark Plug Box of 4 (GR45GP) 1975-1978 Cadillac Eldorado Base 1976-1978 Cadillac Eldorado Biarritz 1978-1978 Cadillac Eldorado Cabriolet $40.63 |
 OUT OF STOCK 4268NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (GR45) 1975-1978 Cadillac Eldorado Base 1976-1978 Cadillac Eldorado Biarritz 1978-1978 Cadillac Eldorado Cabriolet $35.99 |