1978 Harley Davidson XLS Roadster Spark Plug
Browse our online catalogue to find original replacement Spark Plugs specifically designed to fit a 1978 Harley Davidson XLS Roadster.





1978 Harley Davidson XLS Roadster Spark Plug
$3.83
10+ In Stock
Condition: New
Ships: Thursday Sep. 24th
Pick-Up: Ready in 1 Hour Thursday Sep. 24th
Pick-Up: Ready in 1 Hour Thursday Sep. 24th
Required Per Vehicle: 2
Fits: 1978 Harley Davidson XLS Roadster
Equipped With:
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.040 (in) Boxed Product Resistor Plug Plug Type Number RN12YC
Gap 0.040 (in) Boxed Product Resistor Plug Plug Type Number RN12YC

1978 Harley Davidson XLS Roadster Spark Plug
$4.67
10+ In Stock
Condition: New
Ships: Thursday Sep. 24th
Pick-Up: Ready in 1 Hour Thursday Sep. 24th
Pick-Up: Ready in 1 Hour Thursday Sep. 24th
Required Per Vehicle: 2
Fits: 1978 Harley Davidson XLS Roadster
Equipped With:
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Non-Resistor Type OE Type Gap 0.040 (in) Plug Type Number N12YC
Non-Resistor Type OE Type Gap 0.040 (in) Plug Type Number N12YC



1978 Harley Davidson XLS Roadster Spark Plug
$6.35
10+ In Stock
Condition: New
Ships: Thursday Sep. 24th
Pick-Up: Ready in 1 Hour Thursday Sep. 24th
Pick-Up: Ready in 1 Hour Thursday Sep. 24th
Required Per Vehicle: 2
Fits: 1978 Harley Davidson XLS Roadster
Equipped With:
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.040 (in) Plug Type Number RN14PMC
Gap 0.040 (in) Plug Type Number RN14PMC

1978 Harley Davidson XLS Roadster Spark Plug
$3.74
Out of Stock
Condition: New
Required Per Vehicle: 2
Fits: 1978 Harley Davidson XLS Roadster
Equipped With:
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.040 (in) Card of 1 Resistor Plug Plug Type Number RN12YC
Gap 0.040 (in) Card of 1 Resistor Plug Plug Type Number RN12YC



1978 Harley Davidson XLS Roadster Spark Plug
$10.08
Out of Stock
Condition: New
Required Per Vehicle: 2
Fits: 1978 Harley Davidson XLS Roadster
Equipped With:
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 1200cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.040 (in) Plug Type Number RN14PYP
Gap 0.040 (in) Plug Type Number RN14PYP