Plymouth Road Runner Spark Plug Replacement

Resistor Type Gap 0.035in ; Plug Type RN12YC

Gap 0.035in OE Type ; Plug Type RN14YC

Resistor Type Gap 0.035in ; Plug Type RJ12YC

Non-Resistor Type Gap 0.035in OE Type ; Plug Type J12YC

Non-Resistor Type Gap 0.035in ; Plug Type N12YC

Original Center Electrode Material is Copper/Nickel

Gap 0.035in OE Type ; Plug Type RJ14YC

Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.027 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.027 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.035" OE Equivalent Design

Gap 0.035" OE Equivalent Design

Gap 0.035"

Gap 0.035in; Plug Type RN14PMC

Gap 0.035"

Gap .035 (in)

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Gap 0.035in; Plug Type RN14PYP

Gap 0.044 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.035"

Gap 0.035"

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

14mm Thread; .460 in. Reach; Heat Range 6; Each;0.035 in. Plug Gap

14mm Thread; .375 in. Reach; Heat Range 6; Gasket Seat; 13/16 Hex; Projected Tip; Resistor; 4 Pack;0.035 in. Plug Gap

14mm Thread; Shorty Plug For Headers; .750 in. Reach; Champion RC12/RC13/RC14 Heat Ranges; 4 Pack;0.060 in. Plug Gap

14mm Thread; .375 in Reach; Gasket Seat; 13/16 Hex; Projected Tip; Resistor; 8 Pack;0.035 in. Plug Gap

14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0576S-4]; 8 Pack;0.035 in. Plug Gap

Stock Heat Range; 0.032 in. Gap; 5/8 in. Hex Size; .460 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 14mm Thread Size; 8 Pack Of PN[0576];0.035 in. Plug Gap