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Chevrolet Performance 19355720 HT383 Crate Engine

Brand: Chevrolet Performance

Part Number: 19355720

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$4,739.31

 

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HT383 Crate Engine

19355720 Chevrolet Motor

 

Big Torque for Your Truck

Got an older GM truck with a tired Small-Block? Forget the rebuild and take your truck’s capability to the next level with the Chevrolet Performance HT383 crate engine. The extra displacement and unique parts are designed to build a wide, flat torque curve that maintains at least 400 lb.-ft. between 2,500 and 4,000 rpm. That’s power you simply won't get with a stock-type rebuild.

Built Chevy tough, this motor starts with a cast-iron block with four-bolt main caps, GM then fills the block with a forged steel crankshaft and a hydraulic roller camshaft. Top it off with iron Vortec heads for a 9.1:1 compression ratio that is perfect for regular gasoline at all altitudes and engine loads.

We deliver the HT383 with an aluminum intake manifold, ready for you to swap over the accessories from your tired engine. It’s also backed by a 24-month/50,000-mile (80,000 km) limited warranty.

HT383 Crate Engine

P/N 19355720

323 hp @ 4,200 rpm / 444 lb.-ft. @ 3,000 rpm

 

HT383 Tech Specs:
Engine Type: Chevy Small-Block V-8
Displacement (cu in): 383
Bore x Stroke (in): 4.005 x 3.800
Block (P/N 88962516): Cast-iron with 4-bolt main caps
Crankshaft (P/N 12489436): 4340 forged steel
Connecting Rods (P/N 19355754): Heavy-duty, forged steel
Pistons (P/N 12499103): Hypereutectic aluminum
Intake Manifold (P/N 12496820): Dual plane aluminum
Camshaft Type (P/N 14097395): Hydraulic roller
Valve Lift (in): .431 intake / .451 exhaust
Camshaft Duration (@.050 in): 196° intake / 206° exhaust
Cylinder Heads (P/N 12558060): Vortec iron; 64cc chambers
Valve Size (in): 1.940 intake / 1.500 exhaust
Compression Ratio: 9.1:1
Rocker Arms (P/N 10089648): Stamped steel
Rocker Arm Ratio: 1.5:1
Water Pump (P/N 88894341): Cast iron
Recommended Fuel: Regular pump
Ignition Timing: 32° Total @ 4,000 rpm
Maximum Recommended rpm: 5,000
Balanced: External
Flexplate (P/N 14088765): 12.750"

 

Recommended Transmission:  Hydra-Matic 4L65-E Four-Speed Automatic P/N 19260380


Installation Notes:
• Requires addition of carburetor, ignition and starter (not included)
• Rochester Quadrajet or Holley 770-cfm carburetor recommended
• Comes with 12.75-inch externally balanced 153-tooth automatic transmission flexplate. Requires externally balanced flywheel for manual transmission.
• Has right-side oil dipstick
• Designed for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications

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

 

 

Supersedes old GM P/N 19332529

Chevrolet Performance Crate Engines include a 24-month or 50,000-mile (80,000 kilometer) limited warranty.

Click here for more detailed warranty information.


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