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Vehicle Info NeededMSD IGNITIONPART NUMBER: 121-31243
Super Conductor 8.5mm Wires Black
$14755$163.95You Save$16.40
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Small Block Chevy
- Super Conductor 8.5mm Wires
- Black
- Small Block Chevy w/low-profile distributor
- Distributor Boots: 90° HEI (Male Post)
- Plug Boots: 90°
MSD Race Tailored wire sets are designed specifically to fit race engines equipped with headers or an MSD Distributor. - Wires go below headers/exhaust manifolds
- For MSD Distributors 121-84697, 121-84997, 121-8558
- Less than 50 OHMS per foot for superior spark
- Ferro-magnetic impregnated core creates an effective EMI choke
- Forty feet of conductor is wound into a single foot of wire for high EMI suppression
- Conductor core features Dupont Kevlar material for increased tensile strength
- Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
Part TypeSpark Plug Wire
BrandMSD IGNITION
Package Height3.0
Package Width7.9
Package Length10.9
Weight2.25 PG
Part CategoryPerformance Parts
Diameter (Mm)8.5
Distributor Boot MaterialSilicone
PositionN/A
ColorBlack
Wire ColorBlack
QuantitySold as a set
AssembledYes
Spark Plug Boot EndsEight 90 degree
Spark Plug Boot ColorGray
Distributor Terminal EndsMale/HEI
Spark Plug Boot MaterialSilicone
Distributor Boot ColorGray
Coil Wire IncludedYes
Rfi SuppressionYes
Conductor StyleSpiral core
Part FitmentSemi Universal
Boot Type90 Degree
Vendor Part Number31243
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
