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Vehicle Info NeededMSD IGNITIONPART NUMBER: 121-31199
31199 Red 2-in-1 Universal 8.5mm Spark Plug Wire Set 8-Cylinder
$13135$145.95You Save$14.60
Ships on Sep 18, 2026
Lowest Price Guarantee
Red Universal Spark Plug Wire Sets
- Red 2-in-1 Universal 8.5mm Spark Plug Wire Set
- 8-Cylinder
- Distributor Boots: 90° (Socket and HEI)
- Plug Boots: Straight (Multi-angle)
Set includes terminals for engines with early type (Socket) and late type (HEI "spark plug top") distributor caps. Multi angle boots and terminals factory installed on the spark plug end.Includes: - (2) 56" Wires
- (2) 50" Wires
- (2) 48" Wires
- (3) 32" Wires
- Extra long 8.5mm wire so you can cut to your desired length
- Includes both socket-style and spark plug-style boots and terminals
- Includes Mini-Stripper-Crimper
Part TypeSpark Plug Wire
BrandMSD IGNITION
Package Height2.9
Package Width7.7
Package Length10.7
Weight3.45 PG
Part CategoryPerformance Parts
Diameter (Mm)8.5
Distributor Boot MaterialSilicone
PositionN/A
ColorRED
Wire ColorRed
QuantitySold as a set
AssembledNo
Spark Plug Boot EndsEight multi-angle
Spark Plug Boot ColorGray
Distributor Terminal EndsMale/HEI and Female/Socket
Spark Plug Boot MaterialSilicone
Distributor Boot ColorGray
Coil Wire IncludedYes
Rfi SuppressionYes
Conductor StyleSpiral core
Part FitmentUniversal
Boot TypeMulti-Angle
Vendor Part Number31199
Package Qty1
Package TypeEA
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