Chevrolet Performance 19435449 Small Block Chevy 383E Stroker Engine

• Designed for 1996–1999 GM half-ton trucks and SUVs using Vortec small-blocks
• 323 hp at 4,200 rpm and 444 lb-ft of torque at 3,000 rpm; delivers over 400 lb-ft from 2,500 to 4,000 rpm
• Features a brand-new cast-iron block with four-bolt main caps for enhanced strength
• Internals include forged steel crankshaft, powder-metal connecting rods, hypereutectic aluminum pistons, and hydraulic roller camshaft
• Equipped with cast iron Vortec heads with 64cc combustion chambers and 1.94"/1.50" valves
• 9.1:1 compression ratio compatible with pump gas
• Reuses factory EFI system, intake, and wiring from compatible GM Vortec 350 vehicles

Chevrolet Performance 19435449 Small Block Chevy 383E Stroker Engine Notes:

• Due to calibration differences between half, three-quarter and one ton vehicles, this engine is designed for half-ton trucks and SUVs only
• Requires use of the stock intake manifold, distributor, wiring harness, and fuel injection system
• Comes with 12.75" externally balanced 153-tooth automatic transmission flexplate. Requires externally balanced flywheel for manual transmission
• Has right-side dipstick

Chevrolet Performance 19435449 Small Block Chevy 383E Stroker Engine Specifications:

• Engine Type: Chevy Small-Block V-8
• Displacement: 383 cu in
• Bore x Stroke: 4.005" x 3.800"
• Block: Cast iron with 4-bolt main caps (P/N 19433046)
• Crankshaft: Forged steel (P/N 12489436); includes 4X crankshaft position sensor
• Connecting Rods: Heavy-duty forged steel (P/N 19355751)
• Pistons: Hypereutectic aluminum (P/N 12499103)
• Camshaft Type: Hydraulic roller (P/N 14097395)
• Valve Lift (int./exh.): .431" / .451"
• Camshaft Duration @ .050": 196° intake / 205° exhaust
• Cylinder Heads: Vortec iron 64cc chambers (P/N 12691728)
• Valve Size (int./exh.): 1.94" / 1.50"
• Compression Ratio: 9.1:1
• Rocker Arms: Stamped steel (P/N 10089648)
• Rocker Arm Ratio: 1.5:1
• Water Pump: Cast iron (P/N 88890527)
• Recommended Fuel: Regular pump gas
• Ignition Timing: 5 degrees BTDC
• Balancer: External
• Flexplate: 12.75", external balance (P/N 14088765)

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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