Oldsmobile Silhouette Spark Plug Replacement

Gap 0.045in OE Type ; Plug Type RV12YC

Original Center Electrode Material is Copper/Nickel Gap 0.06 in

Gap 0.060in; Plug Type RS14YC6

Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.060 Resistor Plug with Patented U-Groove Design

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Gap 0.045" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

Gap 0.060in; Plug Type RS14PYC6

Gap 0.060"

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

Gap 0.045in; Plug Type RV17PMC4

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

Gap 0.060"

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

Gap 0.045"

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

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

Gap .060 (in)

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

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

w/ Platinum Design

Gap .060 (in)

Gap 0.045in; Plug Type RV17PMP4

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Gap 0.060in; Plug Type RS14PYPB5

Gap .045 (in); Auto

Gap 0.045"

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

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

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

Gap 0.050 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.045"

Gap 0.060"

Gap 0.060in; Plug Type RS14WYPB5

Gap .060 (in)

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)

Rapidfire

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 0.060" OE Equivalent Design* 100,000 mi OE Mfr Recommended Service Interval

Gap .045 (in)

Gap .045 (in)

Gap 0.060" OE Equivalent Design 100,000 mi OE Mfr Recommended Service Interval

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

Gap 0.060"

Iridium Design

w/ Platinum Design

w/ Platinum Design

w/ Platinum Design

Double Platinum Shorty; Individual;0.060 in. Plug Gap