For more than 40 years, ACCEL has been a leader in performance fuel and ignition systems, proving itself on the racetracks and drag strips of the world – and on the street. With an ever-expanding line of SuperCoils and all the spark plug wires, tune-up kits, and fuel injectors hot rodders have trusted and relied on for years, ACCEL is constantly developing innovative new products designed to push power, speed, and performance to match advancements in automotive technology. Now part of Holley Performance, ACCEL offers a comprehensive selection of performance products, including coils, digital fuel injection systems, fuel injectors, distributors, caps, rotors, ignition wires, spark plugs.
| Make | Model | Submodel | Years | Engine | Fitment Notes |
| Chevrolet | Corvette | Base | 1990 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap Cast Iron Heads |
| Chevrolet | Corvette | Base | 1991 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap Cast Iron Heads |
| Chevrolet | Corvette | Base | 1992 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap Cast Iron Heads |
| Chevrolet | Corvette | ZR-1 | 1990 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap |
| Chevrolet | Corvette | 1970 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap | |
| Chevrolet | Corvette | 1971 | 7.4L / 454 / V8 5.7L / 350 / V8 |
14mm Thread; .460 in. Reach; Heat Range 6; Each;0.035 in. Plug Gap | |
| Chevrolet | Corvette | 1972 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap | |
| Chevrolet | Corvette | 1973 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap | |
| Chevrolet | Corvette | 1974 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap | |
| Chevrolet | Corvette | 1975 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap | ||
| Chevrolet | Corvette | 1976 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap |
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| Chevrolet | Corvette | 1977 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap |
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| Chevrolet | Corvette | 1978 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap |
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| Chevrolet | Corvette | 1979 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap |
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| Chevrolet | Corvette | 1980 | 5.0L / 305 / V8 5.7L / 350 / V8 |
14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap |
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| Chevrolet | Corvette | 1981 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap | ||
| Chevrolet | Corvette | 1982 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap | ||
| Chevrolet | Corvette | 1984 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap | ||
| Chevrolet | Corvette | 1985 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap | ||
| Chevrolet | Corvette | 1986 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap Cast Iron Heads |
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| Chevrolet | Corvette | 1987 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.040 in. Plug Gap Cast Iron Heads |
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| Chevrolet | Corvette | 1988 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap Cast Iron Heads |
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| Chevrolet | Corvette | 1989 | 5.7L / 350 / V8 | 14mm Thread; .460 in. Reach; Heat Range 6; Each;0.045 in. Plug Gap Cast Iron Heads |
| Assembly Method | Tapered |
| Emission Code | 2 |
| Gap Size | 0.032 in. |
| Heat Range | 6 |
| Hex Size | 0.625 in. |
| Length | Standard |
| Package Quantity | 1 |
| Part Type | Spark Plug |
| Projected Tip | Yes |
| Reach | 0.460 in. |
| Resistor | Yes |
| Seat Type | Tapered |
| Style | Copper Core |
| Thread Pitch | 1.25mm |
| Thread Size | 14mm |
| Torque Capacity | 7.2 ft/lbs. - 14.5 ft/lbs. |
| Torque Specification | 7.2-14.5 lb.ft. |
