MOTORCRAFT
SP420X
$3.20
Part #SP420X · SKU motorcraft-sp420x · Backordered
Ford Motorcraft parts are engineered for reliability, performance and meet the exact specifications of Ford vehicles.
Delivery2–4 business days
PaymentSecure card checkout
FitmentGuaranteed to fit
Returns90-day easy returns
| Gap | .025; w/ 18mm Thread |
|---|---|
| Gap | .035; w/ 18mm Thread |
| Style | Copper / Nickel |
| Gap | .035; 18mm Thread; w/ 18mm Thread |
| Center Electrode Core Material | Copper |
| Center Electrode Design | Standard |
| Center Electrode Tip Material | Nickel |
| Ground Electrode Tip Material | Nickel |
| Hex Size | 20.6375 |
| Insulator Height | 60.5282 |
| Seat Type | Tapered |
| Spark Plug Approximate Resistor Value | 2,000 - 12,000 |
| Thread Size | 18 |
| Gap | .044; w/ 18mm Thread |
| Gap | .044; w/ 18mm Thread; High Altitude Calibration .054 |
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