Engine Block: 

• New BluePrint Cast Iron block
• 4-bolt main
• 1-piece rear main seal
• Mechanical Fuel Pump Provision: Yes
• Dipstick: Passenger-side
• Drilled and tapped for clutch linkage

Rotating Assembly:

• New BluePrint Steel crank
• 3.750 in. stroke
• OEM 5.700 in. connecting rods with 150,000 psi bolts
• Hypereutectic pistons
• Externally balanced: front/rear

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - H8002K
• 64 cc combustion chamber
• Valves: 2.02 in. intake / 1.60 in. exhaust
• Port Size: 195 cc intake / 75 cc exhaust

Camshaft Specifications:

• Camshaft Type: Roller
• Intake Lift: .477 in.
• Exhaust Lift: .471 in.
• Intake Duration: 202 degrees
• Exhaust Duration: 212 degrees
• Lobe Separation: 115 degrees

Ignition:

• Computer Controlled

Notes:

• This 383 stroker is designed for use in 1996-2000 Chevrolet Truck or SUV that was originally equipped with a 350ci (5.7L) engine.
• No ECU tuning required
• Advertised horsepower gains were achieved on a chassis dyno, w/ factory EFI and ECU, in a Vortec equipped, otherwise stock, GM truck.

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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