BBC EFI 454 Crate Engine 490 HP - 479 Lbs Torque

Horsepower & Torque: 460 Horsepower / 479 ft. lbs. Torque. Compression Ratio: 9.85:1. BluePrint Engines Aluminum Heads. BluePrint Engines Hydraulic Roller Cam. BluePrint Engines Cast Crankshaft. BluePrint Engines Hypereutectic Pistons. BluePrint Engines High Strength Cast Iron Block, 454 BBC. Manufactured and Machined in the USA! Mech Fuel Pump Provision: Yes. 1-Piece Rear Main Seal. Standard Deck. 4-Bolt Main. 4.250" Bore. Cast Crankshaft. 4.000" Stroke. OEM Type 6.135" Connecting Rods w/ 150,000 PSI Bolts. Hypereutectic Pistons. Externally Balanced Front and Rear. BluePrint Aluminum Cylinder Heads - PS8013. 119cc Chamber. 2.30" Intake / 1.88" Exhaust Valves. 316cc Intake / 124cc Exhaust Runners. Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting (Must Verify Header/Exhaust Clearance). Hydraulic Roller. .501 Intake / .510 Exhaust Lift. 216 Intake / 228 Exhaust Duration. @ .050-112 Degree Lobe Separation. Initial Timing 10-16° and Total Timing 32-34°. Includes Intake Manifold Dual Plane, Satin Aluminum, Holley Sniper 2 EFI System - BPP550-510-3XX, Pro Billet Ready Run Distributor - BPP350RBK, Harmonic Balancer, Timing Cover, Valve Covers, Dipstick, Oil Pan. Features External 42.5 oz. imbalance. Recommend BluePrint Engines flywheel 14096987 or BluePrint Engines flex plate 399973.