Granatelli Motor Sports part number 38-1261MPG is an MPG Plus 0-ohm spark plug wire set made for the 1980–1991 Jeep Grand Wagoneer/Wagoneer/J20/J10/Cherokee with the 5.9L V8 engine.
Replacing worn plug wires on a 1984–1991 Jeep Grand Wagoneer 5.9L V8? Match your exact year, model and engine to the chart below before ordering.
GRANATELLI MOTOR SPORTS • PERFORMANCE IGNITION
MPG Plus 0 Ohm 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: 38-1261MPG
PERFORMANCE AT A GLANCE
Resistance
0 Ohm
Wire Size
8MM
Temperature
500°F
Application
5.9L V8
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 Jeep vehicles equipped with the V8 5.9L engine.
Year
Make
Model
Engine
1984–1991
Jeep
Grand Wagoneer
V8 5.9L
1980–1983
Jeep
Wagoneer
V8 5.9L
1980–1988
Jeep
J20
V8 5.9L
1980–1988
Jeep
J10
V8 5.9L
1980–1983
Jeep
Cherokee
V8 5.9L
Product Specifications
Brand
Granatelli Motor Sports
Part Number
38-1261MPG
Product Type
MPG Plus 0 Ohm 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
38-1261MPG
38-1261MPG
802735024029
Granatelli Motor Sports
1991 Jeep Grand Wagoneer V8 5.9L
1990 Jeep Grand Wagoneer V8 5.9L
1989 Jeep Grand Wagoneer V8 5.9L
1988 Jeep Grand Wagoneer V8 5.9L
1988 Jeep J10 V8 5.9L
1988 Jeep J20 V8 5.9L
1987 Jeep Grand Wagoneer V8 5.9L
1987 Jeep J10 V8 5.9L
1987 Jeep J20 V8 5.9L
1986 Jeep Grand Wagoneer V8 5.9L
1986 Jeep J10 V8 5.9L
1986 Jeep J20 V8 5.9L
1985 Jeep Grand Wagoneer V8 5.9L
1985 Jeep J10 V8 5.9L
1985 Jeep J20 V8 5.9L
1984 Jeep Grand Wagoneer V8 5.9L
1984 Jeep J10 V8 5.9L
1984 Jeep J20 V8 5.9L
1983 Jeep Cherokee V8 5.9L
1983 Jeep J10 V8 5.9L
1983 Jeep J20 V8 5.9L
1983 Jeep Wagoneer V8 5.9L
1982 Jeep Cherokee V8 5.9L
1982 Jeep J10 V8 5.9L
1982 Jeep J20 V8 5.9L
1982 Jeep Wagoneer V8 5.9L
1981 Jeep Cherokee V8 5.9L
1981 Jeep J10 V8 5.9L
1981 Jeep J20 V8 5.9L
1981 Jeep Wagoneer V8 5.9L
1980 Jeep Cherokee V8 5.9L
1980 Jeep J10 V8 5.9L
1980 Jeep J20 V8 5.9L
1980 Jeep Wagoneer V8 5.9L
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Ignition - MPG Wires
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