The Chevrolet R07 engine is a 5.87-liter, naturally aspirated, V8 racing engine, developed and produced by Chevrolet for NASCAR competition in 2007. Chevrolet has been a highly successful NASCAR engine supplier, scoring 886 Cup Series wins, 582 O'Reilly Series wins, and 298 Truck Series wins, leading the all-time wins as a manufacturer in all 3 series. As of 2026, across the top 2 series, they supply engines to nearly 30 different teams, with notable examples including Hendrick Motorsports, Richard Childress Racing, Spire Motorsports, Trackhouse Racing, and JR Motorsports.
Specifications Engine type: Chevrolet V8 Capacity: HP rating (superspeedway / intermediate / dirt / road-street course / short tracks): / (2026 rules package) Max. RPM: 10,500 rpm Weight: 525 lbs. (238 kg) Oil system: Dry-sump lubrication Camshafts: Solid-roller camshaft Valve actuation: Shaft-mounted Valve springs: Wire-type Cylinder head: 2 valves (titanium) per cylinder Fuel injection: MES/NXP Semiconductors/Holley/Bosch 8x high pressure port injectors Fuel: 260 GTX Unleaded provided by Sunoco (2007–2010; still in use in ARCA)E15 Ethanol provided by Sunoco (2011–present) Lubricants: 0w grade; Mobil 1 Extended Performance (ESP), Pennzoil Platinum, Valvoline Advanced Protection Block material: Compacted graphite iron Head material: Aluminum alloy Crankshaft: Billet steel Con rods: Forged steel Pistons: Forged aluminum alloy Intake systems: Single plenum - aluminum Electronic control unit: McLaren Electronics - TAG-400I Engine service life: 1,000 miles Gearbox: Sequential gearbox, h-pattern
Applications Next Gen Car (2022–present) Gen 6 (2013—2021) Car of Tomorrow (2007—2012) Gen 4 (2007) NASCAR O'Reilly Auto Parts Series (2007—present) NASCAR Craftsman Truck Series (2007–2018)
References
External links Chevrolet Motorsport's Official Website Chevrolet's official NASCAR website on chevrolet.com