Spark Plug; ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.Black Onyx coating helps reduce corrosionCopper core provides great heat transfer and helps maximize plug durabilityRibbed suppressor seal extends resistance and helps prevent spark 'flash over' and misfiresNickel-chrome alloy sheathing helps prevent corrosion on center electrodeAvailable for use in Marine applications
| Make | Model | Submodel | Years | Fitment Notes |
| Chevrolet | Corvette | 35th Anniversary Edition | 1988 | |
| Chevrolet | Corvette | Base | 1971 - 1991 | |
| Chevrolet | Corvette | Base | 1980 | engine V8 - 5.7L 350ci GAS 4BBL vin 6 - 2 valve OHV engine V8 - 5.7L 350ci GAS 4BBL vin 8 - 2 valve OHV |
| Chevrolet | Corvette | Base | 1974 | engine V8 - 5.7L 350ci GAS 4BBL vin K - 2 valve OHV engine V8 - 5.7L 350ci GAS 4BBL vin L - 2 valve OHV engine V8 - 5.7L 350ci GAS 4BBL vin T - 2 valve OHV engine V8 - 7.4L 7439cc 454ci GAS 4BBL vin X - 2 valve OHV engine V8 - 7.4L 7439cc 454ci GAS 4BBL vin Y - 2 valve OHV engine V8 - 7.4L 7439cc 454ci GAS 4BBL vin Z - 2 valve OHV engine V8 - 7.4L 7441cc 454ci GAS 4BBL vin Z - 2 valve OHV |
| Chevrolet | Corvette | Base | 1973 | engine V8 - 5.7L 350ci GAS 4BBL vin K - 2 valve OHV engine V8 - 5.7L 350ci GAS 4BBL vin L - 2 valve OHV engine V8 - 5.7L 350ci GAS 4BBL vin T - 2 valve OHV engine V8 - 7.4L 7439cc 454ci GAS 4BBL vin Y - 2 valve OHV engine V8 - 7.4L 7439cc 454ci GAS 4BBL vin Z - 2 valve OHV engine V8 - 7.4L 7441cc 454ci GAS 4BBL vin Z - 2 valve OHV |
| Chevrolet | Corvette | Base | 1979 | engine V8 - 5.7L 350ci GAS 4BBL vin L - 2 valve OHV engine V8 - 5.7L 5733cc 350ci GAS 4BBL vin 4 - 2 valve OHV |
| Chevrolet | Corvette | Base | 1977 | engine V8 - 5.7L 350ci GAS 4BBL vin X - 2 valve OHV |
| Chevrolet | Corvette | Base | 1972 | engine V8 - 7.4L 7439cc 454ci GAS 4BBL vin V - 2 valve OHV engine V8 - 7.4L 7439cc 454ci GAS 4BBL vin W - 2 valve OHV engine V8 - 7.4L 7441cc 454ci GAS 4BBL vin W - 2 valve OHV |
| Chevrolet | Corvette | Collector's Edition | 1982 | |
| Chevrolet | Corvette | Indianapolis 500 Pace Car | 1978 | |
| Chevrolet | Corvette | Silver Anniversary Edition | 1978 | engine V8 - 5.7L 350ci GAS 4BBL vin L - 2 valve OHV |
| Chevrolet | Corvette | Stingray | 1976 | engine V8 - 5.7L 350ci GAS 4BBL vin X - 2 valve OHV |
| Approximate Resistor Value (Ohm) | 2000 To 12000 Ohm |
| Center Electrode Core Material | Copper |
| Center Electrode Design | Standard |
| Center Electrode Tip Material | Nickel |
| Ground Electrode Tip Material | Nickel |
| Heat Range | 5 |
| Hex Size (in) | 5/8 Inch |
| Hex Size (mm) | 16mm |
| Insulator Height (in) | 2.468 Inch |
| Insulator Height (mm) | 62.68mm |
| Material Grade | Copper |
| Number Of Ground Electrodes | 1 |
| Preset Gap (in) | 0.044 Inch |
| Preset Gap (mm) | 1.12mm |
| Resistor Plug | Yes |
| Ribbed Core Nose | Yes |
| Seat | Conical |
| Short Style Spark Plug | No |
| Thread Reach (in) | 0.430 Inch |
| Thread Reach (mm) | 11mm |
| Thread Size | 14mm |
| Unit of Measure | Each |
| UPC | 808709160076 |
| Warranty | 12 Month Or 12,000 Mile Limited Warranty |
