Chevrolet R07

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.^[13][14]

ManufacturerChevrolet
Hendrick Racing Engines
ECR Engines

Production2007–present

ConfigurationV8 engine, 90° cylinder angle^[1]

Displacement5.9 L (5,870 cc)^[2][3]

Quick facts Overview, Manufacturer ...

Chevrolet R07
A R07 on display in June 2014 at Road America
Overview
Manufacturer	Chevrolet Hendrick Racing Engines ECR Engines
Production	2007–present
Layout
Configuration	V8 engine, 90° cylinder angle[1]
Displacement	5.9 L (5,870 cc)[2][3]
Cylinder bore	106.3 mm (4.2 in)
Piston stroke	82.55 mm (3 in)
Cylinder block material	Compacted graphite iron[4]
Cylinder head material	Aluminum alloy[5]
Valvetrain	16-valve, OHV, two-valves per cylinder
Combustion
Fuel system	Electronic Port Fuel Injection (EFI) (Cup) Carburetor (O'Reilly)[6]
Management	MES TAG-400i[7]
Fuel type	260 GTX Unleaded provided by Sunoco (2007–2010; still in use in ARCA) E15 Ethanol provided by Sunoco (2011–present)[8]
Oil system	Dry sump[9]
Output
Power output	550-950+ hp (410-708 kW) @ 9,000 rpm (depending on displacement.)[10]
Torque output	Approx. 510 lb⋅ft (691 N⋅m) @ 4,900 rpm
Dimensions
Dry weight	525 lb (238 kg)[11]
Chronology
Predecessor	Chevrolet SB2 (1998–2006)[12]

Close