An Ilmor-Developed V8 Built for Sound and Feel, Not Just NumbersHennessey PerformancePower comes from an all-new 6.2-liter naturally aspirated V8 developed in partnership with Ilmor Engineering. Hennessey is targeting 800–850 hp and a redline north of 9,000 rpm — figures the company believes will make it the highest-revving and most powerful naturally aspirated road-car V8 when it reaches production. The SR-71 Blackbird Shaped Everything — Including the NumbersHennessey PerformanceThe Lockheed SR-71 Blackbird is more than a naming reference. A large central analog tachometer anchors the dashboard — the right focal point for a high-revving, naturally aspirated car with a gated shifter. Built to Cover 800 Miles, Not Just Set Lap RecordsHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceClose Hennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceHennessey PerformanceThe Blackbird is engineered as a touring hypercar first.