Chevrolet Performance Parts 19331574 - ZZ454/440 HP Base+ Long Block Crate Engine

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ALUMINUM HEADS ADD BIG POWER!
Our engineers took the tough 454 HO and matched it with a set of higher-flow, oval-port aluminum cylinder heads to pick up an additional 30 horses ? while still delivering an awesome 519 lb.-ft. of torque. It's an affordable highperformance Big-Block for your project vehicle!

Aluminum oval-port cylinder heads with 2.19/1.88-inch valves process the airflow through this big-power Big-Block and save weight over iron heads. They're mounted on our latest-generation block casting with four-bolt main caps, which is filled with an all-forged rotating assembly for exceptional strength and durability. There's also a high-lift hydraulic roller camshaft for excellent drivability and a broad performance range.

The crate engine package includes a water pump, balancer, aluminum intake manifold and a 14-inch flexplate. Your Chevrolet Performance dealer can hook you up with the carburetor, starter, ignition system and other accessories required to get this big-power Big-Block up and running.

TECH SPECS

• Part Number: 19331574
• Engine Type: Chevy Big-Block V-8
• Displacement (cu in): 454
• Bore x Stroke (in): 4.250 x 4.000
• Block (P/N 19170538): Cast-iron with 4-bolt main caps
• Crankshaft (P/N 14096983): Forged steel
• Connecting Rods (P/N 19170198): Forged steel
• Pistons (P/N 10215228): Forged aluminum
• Camshaft Type (P/N 24502611): Hydraulic roller
• Camshaft Lift (in):.510 intake /.540 exhaust
• Camshaft Duration (@.050 in): 211° intake / 230° exhaust
• Cylinder Heads (P/N 19331424): Aluminum oval port; 110cc chambers
• Valve Size (in): 2.190 intake / 1.880 exhaust
• Compression Ratio: 9.6:1
• Rocker Arms (P/N 12675724): Stamped steel
• Rocker Arm Ratio: 1.7:1
• Water Pump (P/N 19168606): Cast-iron, long-style
• Flexplate (P/N 10185034): 14"
• Recommended Fuel: Premium pump
• Ignition Timing: 36° Total at 4,000 rpm
• Maximum Recommended rpm: 5,500
• Balanced: External
• Intake Manifold (P/N 12363420): Dual Plane

INSTALLATION NOTES

• Requires addition of carburetor, starter, fuel pump, distributor and ignition system (not included)
• Clutch linkage bosses are now drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads, for clearance
• Comes with an externally balanced 14" automatic transmission flexplate; use flywheel P/N 14096987 and 11" clutch assembly for manual transmission applications
• Designed for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications

Important: Distributor with melonized steel gear MUST be used with long-blocks and Partial engines with steel camshafts, or engine damage will occur.

All of Chevrolet Performance Parts' crate engines come with a 24-month/50,000 mile limited warranty.

Note: Special order, must be prepaid. Non-returnable. Non-refundable. Please contact Classic Industries by Phone, Fax or E-Mail to order this item.