Best Quality Replacement Engine For Your Chevrolet Approximate Horsepower: 700 3-Year Best In The Business Unlimited Mileage Manufacturer's Warranty This big block Chevrolet uses a high-performance World iron engine block, cast in the USA, Pro-Filer high-flow aluminum cylinder heads, forged crankshaft, H-beam rods, and custom forged pistons. This fully-roller street performance engine delivers tons of low-end torque and years of reliable horsepower. Big Block Street Performer 540 Includes: World Products Iron Sportsman Block (USA Casting) 4340 Forged Crankshaft 4340 Forged H-Beam Rods SRP Forged Flat Top Pistons Clevite Hardened Performance Rod/Main Bearings Durabond Hardened Cam Bearings Melling HV Oil Pump Billet Adjustable Timing Set Performance Custom-Ground Roller Camshaft SFI-Approved Harmonic Balancer Pro-Filer 320cc Sniper Aluminum Heads Pro-Filer Sniper Matched Intake Competition Series 2.300 Intake Valves Competition Series 1.880 Exhaust Valves Billet Anodized Aluminum Roller Rockers ARP Head Studs Fabricated Aluminum Valve Covers Milodon Wet Sump Oil Pan and Pickup Cometic Intake Manifold Gaskets Billet Timing Pointer