LS9. The LS9 was introduced in 2009 for the ZR1 Corvette. At the time, it was the most powerful engine ever produced by GM. It featured a 2.3L roots blower and made 638 hp. The heads, …

Engine Block Specifications. Block P/N: 12621983, 12623969. Material: 319-T7 aluminum. Block Casting Number: 12621766 ...

The LSA and LS9 engines make a lot of power. And, they can easily make more! Upgrades are usually done in stages. Each level will provide more performance than the one before it. …

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 …

Displacement Markings: Block Material: Timing Cover: Intake Manifold : Engine/Series: 4.8/5.3L: Cast Iron: Plain: Truck: LR4, LM7, or L59

Related Products: Camshafts & Valvetrain, Cylinder Heads, Engine Assemblies, Oiling Systems, Other Engines & Components, Pistons & Piston Rings, Valve Covers & Dress-Up Kits

For engines that use M12 head bolts, like the LSA and LS9, refer to your GM service manual. Related ...

Engine Block Specifications. Block P/N: 12623968. Material: 319-T7 aluminum. Casting Number: 12621766. Displacement: 6.2L / 376 c.i.d.

To properly install your LS Intake Manifold, follow the steps below.This will ensure a good seal to the cylinder head.

The purpose of Active Fuel Management (AFM) is to improve gas mileage. It is also known as Displacement on Demand (DOD) or cylinder deactivation.