Orbital Parts is not a corporate affiliate of Edelbrock Group.
Part # 35609
Less resistance means more energy is going to make it to the spark plug to ignite the air/fuel mixture. The Super Conductor uses a copper alloy conductor resulting in less than 50 ohms per foot of wire! This ensures that the most energy possible makes it to the spark plug. By helically winding the conductor around a special core, we are able to produce a highly effective choke to keep the EMI inside the wire and away from other electronics.
| 1 Cylinder | 42 in |
|---|---|
| 2 Cylinder | 41 in |
| 3 Cylinder | 34 in |
| 4 Cylinder | 34 in |
| 5 Cylinder | 28 in |
| 6 Cylinder | 31 in |
| 7 Cylinder | 24 in |
| 8 Cylinder | 23 in |
| Application | Big Block Chevy Wire Set w/HEI Cap, Red |
| Coil Wire | 24 in |
| Color | Red |
| CORE | Ferro-Spiral |
| Insulation Color | Red |
| Outside Diameter | 8.5 mm |
| Resistance | 40-50 Ohms Per Foot |
| Spark Plug End Boot Degree | 45 deg |
| Universal Or Specific Fit | Specific |
| Wire Separators Included | No |
| Wire Series | 8.5 Super Conductor |
| UPC / GTIN | 00085132356096 |
| Warranty | Manufacturer's Limited 1 Year Warranty |
| Year | Make | Model | Submodel | Engine | Note |
|---|---|---|---|---|---|
| 1975 | Chevrolet | Bel Air | Base | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1977 | Chevrolet | C10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1978 - 1980 | Chevrolet | C10 | Big Ten, Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1980 | Chevrolet | C10 Suburban | Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1980 | Chevrolet | C20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1981 | Chevrolet | C20 | Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1982 - 1986 | Chevrolet | C20 | Custom, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1977 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1978 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 - 1980 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1981 | Chevrolet | C20 Suburban | Custom, Deluxe | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1982 | Chevrolet | C20 Suburban | Custom, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1983 | Chevrolet | C20 Suburban | Custom, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1984 - 1986 | Chevrolet | C20 Suburban | Custom, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1980 | Chevrolet | C30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1981 | Chevrolet | C30 | Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1982 - 1986 | Chevrolet | C30 | Custom, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 | Chevrolet | Caprice | Classic, Classic Sport, Estate Wagon | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 | Chevrolet | Caprice | Classic, Classic Estate, Classic Landau, Classic Sport | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 | Chevrolet | G20 | Beauville, Chevy Van | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1976 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 | Chevrolet | Impala | Base, Custom, Sport | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 | Chevrolet | Impala | Base, Custom, Custom Landau, S, Sport | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 6.6L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1980 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 - 1978 | Chevrolet | K20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1980 | Chevrolet | K20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 6.6L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1985 | Chevrolet | K20 Suburban | Custom, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1977 | Chevrolet | K30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1980 | Chevrolet | K30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1981 | Chevrolet | K30 | Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1982 - 1986 | Chevrolet | K30 | Custom, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 | Chevrolet | K5 Blazer | Base, Cheyenne | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1977 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1978 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 | Chevrolet | Monte Carlo | S | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1987 | Chevrolet | R30 | Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1988 | Chevrolet | R30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1989 | Chevrolet | R3500 | Cheyenne, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1987 | Chevrolet | V30 | Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1988 | Chevrolet | V30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1989 | Chevrolet | V3500 | Cheyenne, Scottsdale, Silverado | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1976 | GMC | C15 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1977 | GMC | C15 | Base, Heavy Half, High Sierra, Indy Hauler, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1978 | GMC | C15 | Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 - 1980 | GMC | C1500 | Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 - 1980 | GMC | C1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1978 | GMC | C15 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1978 | GMC | C25 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 - 1982 | GMC | C2500 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1983 - 1986 | GMC | C2500 | Base, High Sierra, Sierra Classic | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 - 1982 | GMC | C2500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1983 - 1986 | GMC | C2500 Suburban | Base, High Sierra, Sierra Classic | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1978 | GMC | C25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 - 1978 | GMC | C35 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 - 1982 | GMC | C3500 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1983 - 1985 | GMC | C3500 | Base, High Sierra, Sierra Classic | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1986 | GMC | C3500 | Base, High Sierra, Sierra Classic | 7.4L V8 | - |
| 1975 - 1976 | GMC | G25 | Rally, Rally STX | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 | GMC | G35 | Magnavan | 7.4L V8 | - |
| 1976 | GMC | Jimmy | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 | GMC | K15 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 | GMC | K1500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1980 | GMC | K1500 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 - 1978 | GMC | K25 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1976 - 1977 | GMC | K25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1979 - 1982 | GMC | K3500 | Base, High Sierra, Sierra Classic, Sierra Grande | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1983 - 1986 | GMC | K3500 | Base, High Sierra, Sierra Classic | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1987 - 1989 | GMC | R3500 | Base, High Sierra, Sierra Classic | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1975 | GMC | Sprint | Base, Classic, High Sierra, SP | 6.6L V8, 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |
| 1987 - 1989 | GMC | V3500 | Base, High Sierra, Sierra Classic | 7.4L V8 | Custom Spark Plug Wire Set; Red Super Conductor 8.5mm; 8.5mm; Fits Big Block Chevy Race Engines; w/HEI Tower Cap; Equipped w/Headers Or An MSD Distributor |