Availability
Moroso Ultra 40 Ignition Wire Sets
9 Customer Reviews
Moroso Ultra 40 ignition wires feature:
* 40 ohms of resistance per foot
* Highly engineered spiral-wound conductor
* More energy to the spark plugs with less electrical interference
* Silicone jacket protects against heat, chafing, and contaminants
* Locking stainless steel terminals that fold over and crimp, stay connected, and won't vibrate loose lik
Moroso Ultra 40 ignition wires feature:
* 40 ohms of resistance per foot
* Highly engineered spiral-wound conductor
* More energy to the spark plugs with less electrical interference
* Silicone jacket protects against heat, chafing, and contaminants
* Locking stainless steel terminals that fold over and crimp, stay connected, and won't vibrate loose like core crimped brands
* Aluminum shielded spark plug ends are resilient to high temperatures
Showing In Stock Items. Show All 38 Items.
Spark Plug Wires, Black, 8.65mm Diameter, 135-Degree Boots, Set of 8
Part Number: MOR-73850
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, 9 in. Hemi Boots, Universal V8, AJPE, BAE, MBE, Noonan Heads, Single Mag, Set
Part Number: MOR-73805
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Black, 8.65mm Diameter, Set of 8
Part Number: MOR-73849
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Black, 9 in. Hemi Boots, Universal V8, Set
Part Number: MOR-73854
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, Spiral Core, 7mm, Black, 9.75 in. Length, Chevy, LS, Set
Part Number: MOR-73851
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 8.50mm, Red, With Heat Shield, Chevy, LS, Set
Part Number: MOR-73742
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 8.50mm, Red, With Heat Shield, Chevy, LS, LT, Set
Part Number: MOR-73740
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, 8MM, Multi-Angle Boot, Black, Universal, L8/V8, Set
Part Number: MOR-73763
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wire Sets, Ultra 40, Assembled, Spiral Core, 7mm, Black, Silicone Boots, Dodge, 8.4L, Set
Part Number: MOR-73512
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 8.50mm, Red, Chevy, LS, LT, Set
Part Number: MOR-73741
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 8.50mm, Black, With Heat Shield, Chevy, LS, Set
Part Number: MOR-73746
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wire Sets, Ultra 40, Assembled, Spiral Core, 7mm, Black, 135 degree Spark Plug Boots, Chevrolet, Small Block LS, Set of 8
Part Number: MOR-73727
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 8.50mm, Black, Chevy, LS, LT, Set
Part Number: MOR-73745
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 8.50mm, Black, With Heat Shield, Chevy, LS, LT, Set
Part Number: MOR-73744
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 7.00mm, Black, Chevy, Small Block LS, Set
Part Number: MOR-73730
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Spark Plug Wires, Ultra 40, Assembled, Spiral Core, 8.50mm, Red, Chevy, LS, Set
Part Number: MOR-73743
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Spark Plug Wire Sets, Ultra 40, Assembled, Spiral Core, 8mm, Black, Straight Boots, Chevrolet, Small Block LS, Set of 8
Part Number: MOR-73678
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Spark Plug Wires, Ultra 40, 8.5MM, Multi-Angle Boot, Black, Chevrolet, LS1/LS2/LS4/LS6/LS7, Set
Part Number: MOR-73755
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, 8.5MM, Multi-Angle Boot, Black, HEI-Style With Coil In Cap, Chevy, Big Block, V8, Over Valve Cover, Set
Part Number: MOR-73759
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, 8.5MM, Multi-Angle Boot, Red, HEI-Style With Coil In Cap, Chevy, Big Block, V8, Over Valve Cover, Set
Part Number: MOR-73760
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, 8.5MM, Multi-Angle Boot, Red, HEI-Style Without Coil In Cap, Chevy, Big Block, V8, Over Valve Cover, Set
Part Number: MOR-73762
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, 8.5MM, Multi-Angle Boot, Red, Ford, Mercury, 5.8L, V8, Set
Part Number: MOR-73768
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, 8.5MM, Multi-Angle Boot, Black, Cadillac, Chevrolet, GMC, Gen III/IV LS, Set
Part Number: MOR-73757
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, 8.5MM, Multi-Angle Boot, Red, Ford, Lincoln, Mercury, 4.7L/5.0L/5.8L, V8, Set
Part Number: MOR-73766
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Spark Plug Wires, Ultra 40, 8.5MM, Multi-Angle Boot, Red, Cadillac, Chevrolet, GMC, Gen III/IV LS, Set
Part Number: MOR-73758
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
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