MSD-31773 Black Super Conductor Big Block Chevy ’75-on, HEI
For use on Chevy Big Block ’75-On, HEI, Black jacket
Features:
- Bolt-on performance
- Custom fit for make and model listed.
- Wires are precut to exact specifications
Engineered from the inside out, the 8.5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference! In a single 12 inch length of Super Conductor Wire there is only 40 – 50 ohms of resistance! That is the lowest resistance of any helically wound wire. To accomplish this, we use a copper alloy conductor due to it’s great voltage carrying capabilities. The low resistance results in less loss in spark energy so more reaches the spark plug. The conductor is wound extremely tight around a special center core. So tight in fact, that there is over 40 feet of conductor wrapped into a single foot of plug wire. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference (EMI) “choke”. This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle. The outer sleeve that surrounds the conductor assembly is just as impressive. A proprietary blend of silicone and synthetic material produce a sleeve that is highly resistant to high heat as well as abrasion and tears. The MSD’s 8.5mm spark plug terminals feature Dual Crimp terminals. As the name implies, the terminals feature two crimps; one for the sleeve of the wire and another separate crimp to grasp the conductor. The MSD’s 8.5mm spark plug terminals feature Dual Crimp terminals. As the name implies, the terminals feature two crimps; one for the sleeve of the wire and another separate crimp to grasp the conductor.
Attributes:
| 3 Cylinder | 37 Inch |
| part type | Spark Plug Wire Set |
| Insulation Color | black |
| Emission Code | 5 |
| 4 Cylinder | 28 Inch |
| Wire Separators Included | No |
| Warranty | Manufacturer’s Limited 1 Year Warranty |
| Universal Or Specific Fit | Specific |
| Category | Ignition |
| Product Type | Spark Plug Wires |
| Brand | MSD |
| Sub Category | Ignition Wire and Related Components |
| Spark Plug End Boot Degree | 90 Degrees |
| 8 Cylinder | 29 Inch |
| Outside Diameter | 8.5 Millimeter |
| 7 Cylinder | 27 Inch |
| 6 Cylinder | 29 Inch |
| 5 Cylinder | 28 Inch |
| 1 Cylinder | 31 Inch |
| 2 Cylinder | 39 Inch |
Vehicle Applications:
| Make | Model | Years |
| Chevrolet | C10 Suburban | 1977 to 1980 |
| Chevrolet | C10 | 1977 to 1980 |
| Chevrolet | C20 Suburban | 1977 to 1986 |
| Chevrolet | C20 | 1977 to 1986 |
| Chevrolet | C30 | 1977 to 1986 |
| Chevrolet | K10 | 1979 to 1980 |
| Chevrolet | K20 Suburban | 1985 to 1985 |
| Chevrolet | K20 | 1977 to 1980 |
| Chevrolet | K30 | 1977 to 1986 |
| Chevrolet | K5 Blazer | 1977 to 1978 |
| Chevrolet | R30 | 1987 to 1987 |
| Chevrolet | V30 | 1987 to 1987 |
| GMC | C15 Suburban | 1977 to 1978 |
| GMC | C1500 Suburban | 1979 to 1980 |
| GMC | C1500 | 1979 to 1980 |
| GMC | C15 | 1977 to 1978 |
| GMC | C25 Suburban | 1977 to 1978 |
| GMC | C2500 Suburban | 1979 to 1986 |
| GMC | C2500 | 1979 to 1986 |
| GMC | C25 | 1977 to 1978 |
| GMC | C3500 | 1979 to 1986 |
| GMC | C35 | 1977 to 1978 |
| GMC | K1500 | 1979 to 1980 |
| GMC | K25 | 1977 to 1978 |
| GMC | K3500 | 1979 to 1986 |
| GMC | R3500 | 1987 to 1987 |
| GMC | V3500 | 1987 to 1987 |




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