GMC R1500 Spark Plug Replacement

Gap 0.045in OE Type ; Plug Type RV12YC

Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.035" OE Equivalent Design

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.035"

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

Gap .035 (in); Auto

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 .035 (in)

Gap .035 (in)

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

Single; Plug Type 6IR5Y; [Available While Supplies Last];0.035 in. Plug Gap

14mm Thread; .460 in. Reach; Heat Range 5; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 4 Pack;0.035 in. Plug Gap

14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0574S-4]; 8 Pack;0.045 in. Plug Gap