The LS7 is the largest engine in the LS family. It is unique because it was based on the C5-R Le Mans Corvette racing engine. It was purpose-built for high-performance. The LS7 was available in performance cars between 2006-15. Top End Features. Unique high-flow, CNC-ported, square port, cylinder heads and intake manifold; Titanium intake valves

The LS7 intake manifold and throttle body work great on a stock engine. However, if you want more power, you need to feed the engine more air. The stock intake will be a restriction with a big cam and high flowing heads. An Aftermarket Intake Manifold is the only answer.

Chevrolet's 3rd and 4th generation small block engines are generally known by their RPO code. You can determine the RPO code if you have the Vehicle Identification Number (VIN) from the original vehicle.

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The rocker arm ratio is the relationship between the 2 halves of the rocker arm. The halves are: The center of the valve stem to the center of the pivot point.

Related Products: Camshafts & Valvetrain, Cylinder Heads, Engine Assemblies, Oiling Systems, Other Engines & Components, Pistons & Piston Rings

Cylinder Heads. The cylinder heads are similar to the LS3 heads and make good power. Milling up to 0.030 in. can increase compression to 10.9:1.

Injector Flow Rate: Naturally Aspirated Engine: Engine w/ Power Adder: 19 lbs./hr. 225-290 hp: 185-240 hp: 24 lbs./hr. 280-360 hp

Fuel Pumps are sized by flow rate. Flow rate is the amount of fuel a pump can supply over time. It is usually measured in gallons per hour (gph) or liters per hour (lph).

For all Gen. 3 and 4 Chevy small block engines with the same Displacement, the Bore Diameter and Stroke Length are the same.