Professional Conventional; Gap .040
Gap 0.040in; Plug Type RC12YC5
Gap 0.044 Resistor Plug with Patented U-Groove Design
Gap 0.040"
Gap 0.040in; Plug Type RC12PYC
Gap 0.040"
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Gap 0.040in; Plug Type RC12PYP
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Gap 0.040in OE Type ; Plug Type RC12WYPB4
Gap 0.040in; Plug Type REA9WYPB4
Gap 0.044 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap
Gap 0.040"
Gap .040 (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)
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Gap .040 (in)
Gap 0.040"
Gap 0.040" Actual OE Manufacturer 100,000 mi OE Mfr Recommended Service Interval
Gap 0.040"
Gap 0.044 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap
Gap 0.044 Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap
Gap 0.040" Actual OE Manufacturer 105,000 mi OE Mfr Recommended Service Interval
Browse our selection of quality spark plug parts designed specifically for your Jaguar XK. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Touring
Convertible · Coupe
V8 4.2L · V8 5.0L
Automatic