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Vehicle Info NeededMSD IGNITIONPART NUMBER: 121-5531
Street Fire Spark Plug Wires 1973-15 Big Block Chrysler/Dodge 383-440 with Socket cap
Color:
$7376$81.95You Save$8.19
Ships on Sep 28, 2026
Lowest Price GuaranteeChrysler/Dodge
- Street Fire Spark Plug Wires
- 1973-15 Big Block Chrysler/Dodge 383-440 with Socket cap
- Distributor Boots: Socket (female) Straight and 90°
- Plug Boots: Straight
- Coil Wire Included
Super Conductor ires for various Chrysler/Dodge/Plymouth Big Block engines with factory Socket style cap from 1973-On
Performance and Quality at a Great Price!
MSD Street Fire Ignition Wire Sets are made with a low resistance conductor that is wrapped in a durable black sleeve. Black boots cover the terminals to protect the conductor from engine heat and ensure spark delivery. Street Fire wires are spec'd by MSD engineers and are even backed by a one year warranty.
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Features
- Black 8mm silicone and synthetic jacket for high resistance to heat and abrasion
- Helically wound conductor suppresses EMI
- Kevlar core combination for great strength and durability
- Low, 500 ohms per foot resistance for improved spark delivery
- Silicone boots protect against high heat
- Heavy-duty terminals for secure connections
Part TypeSpark Plug Wire
Product LineMSD Street Fire Ignition Wire Sets
BrandMSD IGNITION
Package Height3.5
Package Width7.1
Package Length10.2
Weight2.4 PG
Part CategoryPerformance Parts
Diameter (Mm)8
Distributor Boot MaterialSilicone
PositionN/A
ColorBlack
Wire ColorBlack
QuantitySold as a set
AssembledYes
Spark Plug Boot EndsEight straight
Spark Plug Boot ColorBlack
Distributor Terminal EndsFemale/Socket
Spark Plug Boot MaterialSilicone
Distributor Boot ColorBlack
Coil Wire IncludedYes
Rfi SuppressionYes
Conductor StyleSpiral core
Part FitmentDirect Fit
Boot TypeMulti-Angle
Vendor Part Number5531
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
