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| Make : | Callaway | Base price : | $178,500 |
| Model : | 1999 C12 Corvette | Production : | N/A |
| Powertain layout : | Front Engine / RWD | Origin | USA |
| Wheelbase : | 2654 mm / 104.5 in | Width : | 2022 mm / 79.6 in |
| Length : | 4564 mm / 179.7 in | Weight : | 1533 kg / 3380 lbs |
| Height : | 1199 mm / 47.2 in | Front Track : | 1613 mm / 63.5 in |
| Ground clearance : | N/A | Rear Track : | 1613 mm / 63.5 in |
| Configuration : | V8 | Bore : | 99.0 mm / 3.89 in |
| Valvetrain : | OHV | Stroke : | 101.6 mm / 4.0 in |
| Displacement : | 6260 cc / 382.0 cu in | Compression Ratio : | 10.2:1 |
| Power : | 346.8 kw / 465.0 bhp @ 5700 rpm | BHP / Liter : | 74.28 bhp per litre |
| Torque : | 641.3 nm / 472.9 ft lbs @ 4500 rpm | Redline : | N/A |
| Gear type : | 6-Speed Manual | 5th gear ratio : | N/A |
| 1st gear ratio : | N/A | 6th gear ratio : | N/A |
| 2nd gear ratio : | N/A | 7th gear ratio : | - |
| 3rd gear ratio : | N/A | Reverse ratio : | N/A |
| 4th gear ratio : | N/A | Final drive ratio : | N/A |
| Body / Frame : | Hydroformed steel ladder frame with carbon/Kevlar and fiberglass body panels | Brake types : | Vented Discs |
| Steering : | Rack & Pinion w/ Variable Power Assist | Front brake size : | 325 mm / 12.8 in |
| Front tires : | F 285/35ZR-18 | Rear brake size : | 305 mm / 12.0 in |
| Rear tires : | R 345/30ZR-19 |
| Top speed : | 321.9 kph / 200.0 mph | 60-0 braking : | N/A |
| 0-60 mph : | 4.6 seconds | Lateral Acceleration : | N/A |
| 0-100 mph : | 10.4 seconds | EPA city / Hwy : | N/A |
| 0-ΒΌ mile : | 13.0 seconds |
Callaway does some serious breathing on the SuperNatural LS1 V8 during the hand assembly process. Internally, the heads, pistons, rods, camshaft and crankshaft are changed or modified from the stock Corvette LS1, upping the horsepower to 440 at 6500 rpm. An engine dyno sheet is included with each Callaway C12