MSD 5551 spark plug wire set for the 1975-1976 Ford F-150 V8 5.9L or 6.4L, the 1975-1979 F-150 V8 7.5L, the 1975-1993 F-150 V8 5.0L, the 1977-1979 F-150 V8 6.6L, the 1977-1993 F-150 V8 5.8L and other vehicles carries high-voltage spark from the distributor to the spark plugs. These MSD IGNITION spark plug wires come in a black sleeve, with black boots over the terminals.
- Street Fire series spark plug wire set from MSD
- Helically wound conductor suppresses electro and radio noise; Kevlar core adds strength and durability
- 500 Ohms/ft resistance for spark delivery
- 8 mm silicone and synthetic jacket resists heat and abrasion
- Silicone boots protect against high exhaust temperatures and work with manifold or headers
- Heavy duty terminals for a secure connection
Quick facts
- Part: MSD 5551 spark plug wire set
- Fits: the 1975-1976 Ford F-150 V8 5.9L or 6.4L, the 1975-1979 F-150 V8 7.5L, the 1975-1993 F-150 V8 5.0L, the 1977-1979 F-150 V8 6.6L, the 1977-1993 F-150 V8 5.8L and other vehicles
- Material: Silicone boots
- Condition: New
Misfires, a rough idle or hard starting can point to worn wires, but the plugs or the distributor can produce them too. With the engine off and cool, look over each jacket and boot for cracks, burns or chafing before you replace anything.
Fits
This spark plug wire set also fits the 1977-1996 Ford F-250 V8 5.8L and the 1982-1993 Ford Mustang V8 5.0L, and each takes one set. Many more vehicles are covered, so open the "Vehicles it fits" section and look for your own model and engine.
Specifications
Fit and size
- Application: Universal V8, cut-to-fit
- Quantity per vehicle: one set
- Wires in the set: 9
- Wire diameter: 8 mm
- Distributor boots: socket and HEI
- Spark plug boot angle: multi-angle
Build and materials
- Core: Kevlar
- Jacket: silicone and synthetic
- Boot material: silicone
- Resistance: 500 Ohms per foot
- Condition: New
- Warranty: MSD limited 1 year warranty
- Country of origin: Mexico
In the box
One spark plug wire set of nine wires with socket and HEI distributor boots.
Installation notes
- Universal V8 set that is unterminated and cut/crimp-to-fit.
Frequently Asked Questions
Is the MSD 5551 a Ford F-150 spark plug wire set for 1977-1993 models with the V8 5.8L?
Yes. MSD 5551 is listed for the 1977-1993 Ford F-150 V8 5.8L. Open the "Vehicles it fits" section to match your own engine.
Are these Mustang spark plug wires the right set for 1982-1993 models with the V8 5.0L?
Yes. MSD 5551 is listed for the 1982-1993 Ford Mustang V8 5.0L, and that application takes one set.
Does this MSD IGNITION spark plug wire set come with distributor boots?
Yes. MSD 5551 includes nine wires with socket and HEI distributor boots.
How much resistance do these spark plug wires have?
This wire set is rated at 500 Ohms per foot. It has an 8 mm silicone and synthetic jacket over a Kevlar core.
Is the MSD 5551 wire set cut-to-fit?
Yes. It is a universal V8 set with unterminated, cut/crimp-to-fit wires, so you cut and crimp them to length.
