Chevrolet Performance 454 454ci Crate Engine – 19433409

Harness classic big-block power with the Chevrolet Performance 454 454ci Crate Engine. This legendary displacement delivers approximately 438 horsepower and 500 lb-ft of torque with excellent street manners. The 454 features a cast-iron block, aluminum cylinder heads, and hydraulic roller camshaft for reliable performance. The 7.4L displacement provides abundant low-end torque perfect for trucks, muscle cars, and street rods. This proven combination offers excellent drivability, reliability, and classic big-block sound. Factory-assembled and backed by Chevrolet Performance quality standards.

**Technical Specifications:**

Reference: 19433409
Engine Type: Chevy Big-Block V-8
Displacement (cu. in.): 454
Bore x Stroke (in.): 4.250 x 4.000
Block (Ref. 19170538): Cast iron with four-bolt main caps
Crankshaft (Ref. 14096983): Forged steel
Connecting Rods (Ref. 19170198): Forged steel
Pistons (Ref. 10215228): Forged aluminum
Camshaft Type (Ref. 24502611): Hydraulic roller
Camshaft Lift (in.): .510 intake / .540 exhaust
Camshaft Duration (@ .050 in.): 211° intake / 230° exhaust
Cylinder Heads (Ref. 12562920): Cast iron with rectangular ports; 118 cc chambers
Valve Size (in.): 2.190 intake / 1.880 exhaust
Compression Ratio: 8.75:1
Rocker Arms (Ref. 12523976): Stamped steel
Rocker Arm Ratio: 1.7:1
Water Pump (Ref. 19168606): Cast iron, long style
Flywheel (Ref. 10185034): 14″
Recommended Fuel: Premium
Ignition Timing: 36° total @ 4,000 rpm
Recommended Maximum RPM: 5500
Balancing: External