Edelbrock part #46230 540 c.i.d. crate engine is a great powerplant for any high performance build that delivers over 650 horsepower and 640 ft-lbs. of torque on pump gas. It features a top end package that includes a Victor Jr. intake manifold and E-CNC rectangular port cylinder heads that are 100% fully CNC ported for improved air flow. These heads also have stock exhaust port locations for use with off-the-shelf headers. This engine is sold without a carburetor, so you can select the best one for your performance goals. You can also special order this crate engine with an intake manifold with a 4500 series flange for even more power potential and any combination of valve covers to fit the look you want., Engine Specifications:,Displacement: 540 c.i.d.,Horsepower: 650+ hp,Torque: 640+ ft-lbs.,Compression: 10.0:1,Block: Big-block 9.8",Crankshaft: Forged Steel 4.250",Pistons: Forged,Camshaft: Rollin' Thunder Hydraulic Roller #2264,Rocker Arms: 1.7:1 Roller #77790,Manifold: Victor Jr. 454-R #2902,Cylinder Heads: E-CNC #79555,Carburetor: Not Included,Distributor: Included,Valve Covers: Cast Aluminum,Warranty: 2-year / Unlimited mileage,Your engine is supplied with Edelbrock Break-In Oil in the crate. Before starting engine, you will need to prime the oil system. Do not turn engine over with starter motor for priming.