Gap 0.054in; Plug Type RS9YC
Gap 0.054"
Gap 0.054in; Plug Type RS10PYC
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.054"
Gap: .054/1.4mm Enhanced Tapered Ground Electrode w/ Platinum Chip
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.054in; Plug Type RS9PYP4
Gap 0.054in; Plug Type RS8WYPB5
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.054"
Gap 0.044 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap
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 0.054" OE Equivalent Design
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Gap 0.054"
Gap 0.054"
Browse our selection of quality spark plug parts designed specifically for your Ford E-550 Super Duty. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Custom
Cutaway
V10 6.8L · V8 7.3L
Automatic
