Ford FE 390/427/428 Spark Plugs 1958-1976 RLP RLP-823

RLP spark plug set for the Ford FE 390/427/428 (1958-1976). Listed for one application: Ford FE 390/427/428 engines, 1958-1976, in Ford, Mercury applications. Confirm your engine code and year against this listing before ordering.

What it does

Spark plugs light the charge. Worn electrodes widen the gap, load the coils and misfire under boost or load. A fresh OE-heat-range set (or one step colder on boosted builds) restores a clean burn and full coil life.

Fits

• Ford vehicles with the Ford FE 390/427/428 engine, 1958-1976
• Mercury vehicles with the Ford FE 390/427/428 engine, 1958-1976

Fixes

• misfire under load or a flashing check-engine light
• hard starts and rough idle
• a coil replacement (plugs go with them)

What's included

• a full engine set of spark plugs at the count stated

Specifications

• Brand: RLP
• Part number: RLP-823
• Shipping weight: 2.1 lb
• Condition: new
• Product type: Spark Plugs

Cross-reference

Replaces or interchanges with RLP RLP-823 for the Ford FE 390/427/428. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.