Granatelli Motor Sports part number 28-0788S is a blue 0-ohm spark plug wire set made for the 1968–1976 Ford F-150/E-350 Econoline/E-250 Econoline Club Wagon/E-250 Econoline/E-150 Econoline Club Wagon/E-150 Econoline with the 5.0L V8 and 5.8L V8 engines, plus other models listed in the fitment chart below.
Replacing worn plug wires on a 1975–1976 Ford F-150 5.0L V8? Match your exact year, model and engine to the chart below before ordering.
GRANATELLI MOTOR SPORTS • PERFORMANCE IGNITION
0 Ohm High Performance Spark Plug Wires
Upgrade your ignition system with Granatelli Motor Sports 0 Ohm performance ignition wires.
Designed to deliver maximum ignition energy to the spark plug, these performance wires feature
ultra-low resistance, patented noise suppression technology, stainless-steel connectors, and
high-temperature silicone boots. Ideal for high-performance street, race, forced-induction,
and modified applications.
PART NUMBER: 28-0788S
PERFORMANCE AT A GLANCE
Resistance
0 Ohm
Wire Size
8MM
Temperature
500°F
Application
MULTI-ENGINE
ENGINEERED FOR PERFORMANCE
Why Choose Granatelli 0 Ohm Wires?
0 Ohm Resistance
Ultra-low resistance construction is designed to transfer maximum electrical energy from the ignition source to the spark plug.
Maximum Spark Energy
Granatelli reports that the design can increase power delivered to the spark plug by up to 400% over stock wires.
Noise Suppression
Patented protector-ring technology provides 0 Ohm resistance while helping prevent RFI and EMI interference.
High-Temperature Boots
High-temperature silicone boots are designed to withstand demanding engine-bay temperatures.
Built for Street & Race Performance
These Granatelli 0 Ohm ignition wires are designed for modern fuel-injected vehicles,
street cars, race applications, and modified engines. They are especially well suited
for applications using aftermarket headers, turbochargers, superchargers, or other
performance upgrades.
400%
Potential increase in spark-plug power delivery
0 OHM
Ultra-low resistance ignition wire design
500°F
High-temperature wire jacket rating
APPLICATION GUIDE
Vehicle Fitment
Fits select Ford vehicles. See the application chart below for exact engine fitment.
Year
Make
Model
Engine
1975–1976
Ford
F-150
V8 5L
1975–1976
Ford
E-350 Econoline
V8 5.8L
1975–1976
Ford
E-250 Econoline Club Wagon
V8 5.8L
1975–1976
Ford
E-250 Econoline
V8 5.8L
1975–1976
Ford
E-150 Econoline Club Wagon
V8 5.8L
1975–1976
Ford
E-150 Econoline
V8 5.8L
1975–1976
Ford
E-100 Econoline Club Wagon
V8 5.8L
1975–1976
Ford
E-100 Econoline
V8 5.8L
1972–1976
Ford
F-350
V8 5L
1969–1974
Ford
F-250
V8 5L
1969–1976
Ford
F-100
V8 5L
1968–1976
Ford
Bronco
V8 5L
Product Specifications
Brand
Granatelli Motor Sports
Part Number
28-0788S
Product Type
0 Ohm High Performance Spark Plug Wires
Resistance
0 Ohm
Wire Diameter
8MM
Boot Material
High-Temperature Silicone
Connector
Stainless Steel Snap-Lock
Interference Protection
RFI / EMI Suppression
Temperature Rating
Up to 500°F
Ideal For
✓ Performance Street Cars
✓ Race Applications
✓ Aftermarket Headers
✓ Turbocharged Engines
✓ Supercharged Engines
✓ Modified Fuel-Injected Engines
⚠️ Verify Fitment Before Ordering
Please verify your vehicle's year, make, model, engine, and application before ordering. This product is listed for the exact applications shown in the fitment chart above.
Details
28-0788S
28-0788S
802735029512
Granatelli Motor Sports
1976 Ford Bronco V8 5.0L
1976 Ford E-100 Econoline V8 5.8L
1976 Ford E-100 Econoline Club Wagon V8 5.8L
1976 Ford E-150 Econoline V8 5.8L
1976 Ford E-150 Econoline Club Wagon V8 5.8L
1976 Ford E-250 Econoline V8 5.8L
1976 Ford E-250 Econoline Club Wagon V8 5.8L
1976 Ford E-350 Econoline V8 5.8L
1976 Ford F-100 V8 5.0L
1976 Ford F-150 V8 5.0L
1976 Ford F-350 V8 5.0L
1975 Ford Bronco V8 5.0L
1975 Ford E-100 Econoline V8 5.8L
1975 Ford E-100 Econoline Club Wagon V8 5.8L
1975 Ford E-150 Econoline V8 5.8L
1975 Ford E-150 Econoline Club Wagon V8 5.8L
1975 Ford E-250 Econoline V8 5.8L
1975 Ford E-250 Econoline Club Wagon V8 5.8L
1975 Ford E-350 Econoline V8 5.8L
1975 Ford F-100 V8 5.0L
1975 Ford F-150 V8 5.0L
1975 Ford F-350 V8 5.0L
1974 Ford Bronco V8 5.0L
1974 Ford F-100 V8 5.0L
1974 Ford F-250 V8 5.0L
1974 Ford F-350 V8 5.0L
1973 Ford Bronco V8 5.0L
1973 Ford F-100 V8 5.0L
1973 Ford F-250 V8 5.0L
1973 Ford F-350 V8 5.0L
1972 Ford Bronco V8 5.0L
1972 Ford F-100 V8 5.0L
1972 Ford F-250 V8 5.0L
1972 Ford F-350 V8 5.0L
1971 Ford Bronco V8 5.0L
1971 Ford F-100 V8 5.0L
1971 Ford F-250 V8 5.0L
1970 Ford Bronco V8 5.0L
1970 Ford F-100 V8 5.0L
1970 Ford F-250 V8 5.0L
1969 Ford Bronco V8 5.0L
1969 Ford F-100 V8 5.0L
1969 Ford F-250 V8 5.0L
1968 Ford Bronco V8 5.0L
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Ignition - Performance Wires
Ignition
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