BluePrint Engines 460 HP Long Block GM 454 Big-Block Crate Engine

For the enthusiast who loves nothing more than unwinding with some smooth cruising, this engine is for you. The perfect daily driver, this GM 454 big-block crate engine pulls up to 15” of vacuum. This allows great power brake support. It's even compatible with stock torque converters and gearings. Rigorously tested by BluePrint Engines, it runs beautifully on 87 octane fuel. 

Features and Benefits:
- High-strength, cast iron, standard-deck engine block with 4.250” bore
- Operates at 460 horsepower and 479 ft.-lbs. torque
- 9.85:1 compression ratio for better performance efficiency
- 4-bolt main offers stronger bottom end for high-HP applications
- 1-piece rear main seal ensures stronger, leak-free security
- Built-in BluePrint Engines Muscle Series cylinder heads made of aluminum
- Cast iron crankshaft with 4.000" stroke and 6.135" rods
- Connecting rods use OEM-type design and 150,000 PSI bolts
- Hypereutectic pistons for better strength and heat resistance
- Rotating assembly has 42.5-oz. external imbalance
- Hydraulic roller cam. for lower maintenance and better strength than flat tappet cam.
- Ignition timing: 10-16 degrees initial, 32-34 degrees total
- Includes mechanical fuel pump provision
- Backed by BluePrint Engines' 30-month/50,000-mile warranty

Also Includes:
- Valve covers
- Oil pan
- Dipstick
- Timing cover
- Harmonic balancer

Cylinder Head Specifications:
- 119cc chambers
- 2.30" intake / 1.88" exhaust valves
- 316cc intake / 124cc exhaust runners

Camshaft Specifications:
- .501” intake / .510” exhaust lift
- 216 degrees intake / 228 degrees exhaust duration
- @ .050-112 degrees lobe separation

Additional Notes:
- Does NOT include an intake manifold or fuel system components.
- The initial advance should be set at 13-16 degrees BTDC. The total advance should be NO MORE than 34 degrees BTDC and should be reached by about 4000 RPM. Failure to follow these guidelines can cause detonation damage and will void the warranty.
- The cylinder heads feature a .300" raised exhaust port vs OEM casting. Please verify header and exhaust clearance prior to installation.
- It is highly recommended to use a distributor with a melonized iron or steel gear ONLY on this engine.