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Vehicle Info NeededMSD IGNITIONPART NUMBER: 121-31409
Super Conductor 8.5mm Wires Red
$17995$199.95You Save$20.00
Ships on 09/08/2026
Lowest Price GuaranteeSmall Block Chevy
- Super Conductor 8.5mm Wires
- Red
- Buick/Chevy/GMC/Olds/Pontiac with HEI cap
- Distributor Boots: 90° HEI (Male Post)
- Plug Boots: 90° and Straight (Multi-angle)
- Coil wire not included
Super Conductor Wires For Various Gm products with factory HEI distributor.Applications:
- 1977-1986 Buick All 267, 305(5.0L), 350
- 1978-1982 Chevy/GMC All 264, 305, 350
- 1978-1986 Oldsmobile All 267, 305(5.0L) Except 1976-1979 Omega
- 1981-On Pontiac All 267, 305(5.0L)
- Custom fit for make and model listed.
- Wires are precut to exact specifications
- Bolt-on performance
Part TypeSpark Plug Wire
BrandMSD IGNITION
Package Height2.8
Package Width7.8
Package Length11.1
Weight2.38 PG
Part CategoryPerformance Parts
Diameter (Mm)8.5
Distributor Boot MaterialSilicone
PositionN/A
ColorRed
Wire ColorRed
QuantitySold as a set
AssembledYes
Spark Plug Boot EndsSix multi-angle/Two 90 degree
Spark Plug Boot ColorGray
Distributor Terminal EndsMale/HEI
Spark Plug Boot MaterialSilicone
Distributor Boot ColorGray
Coil Wire IncludedNo
Rfi SuppressionYes
Conductor StyleSpiral core
Part FitmentSemi Universal
Boot TypeMulti-Angle
Vendor Part Number31409
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
