Overview:

Experience a true street-legal performance upgrade with BluePrint Engines’ 49-State Legal 383, built from our proven BPP38350RA Small Block Chevy Engine Kit and backed by California Executive Order #D-824-1. This emissions-compliant powerhouse unleashes a +47 rear-wheel horsepower and +55 ft-lbs of torque gain over factory, delivering the kind of pull you can feel every time you hit the throttle. With a crisp 10:1 compression ratio, BluePrint aluminum heads, a hydraulic roller cam, cast crankshaft, and rugged hypereutectic pistons, this engine blends power, reliability, and drivability into one unbeatable package, perfect for enthusiasts who want real performance without sacrificing legality.

Description:

• 49 State Legal
• Built with Small Block Chevy Engine Kit Part number BPP38350RA, California Executive Order# D-824-1
• +47 Rear Wheel Horsepower Increase over Factory
• + 55 Rear Wheel ft/lbs Torque Increase over Factory
• Compression Ratio: 10:1
• BluePrint Engines Aluminum Heads
• BluePrint Engines Hydraulic Roller Cam
• BluePrint Engines Cast Crankshaft
• BluePrint Engines Hypereutectic Pistons

Block:

• BluePrint Engines High Strength Cast Iron Block
• Manufactured and Machined in the USA!
• Drilled and Tapped for Clutch Linkage
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick
• 1-Piece Rear Main Seal
• 4-Bolt Main
• 4.000" Bore

Rotating Assembly:

• Cast Crankshaft
• 3.750" Stroke
• OEM Type 5.700" Connecting Rods w/ 150,000 PSI Bolts
• Hypereutectic Pistons
• Externally Balanced Front and Rear
  

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - H8002K
• 64cc Chamber
• 2.02" Intake / 1.60" Exhaust Valves
• 195cc Intake / 75cc Exhaust Runners

Cam Specs:

• Hydraulic Roller Cam
• .477 Intake / .471 Exhaust Lift
• 202 Intake / 212 Exhaust Duration
• @ .050-115 Degree Lobe Separation

Ignition Timing:

• Computer-Controlled

Also Includes:

• Harmonic Balancer
• Timing Cover
• Valve Covers
  
• Dipstick
• Oil Pan
  

Notes:

• This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
• This 383 stroker is designed for use in 1996 - 2000 Chevrolet Pickup or SUV that was originally equipped with a 350ci (5.7L) engine. 
• No ECU tuning or recalibration is required.
• Advertised horsepower gains were achieved on chassis dyno, w/ factory EFI and ECU, in a Vortec equipped, otherwise factory, GM truck. 
• We have taken our BluePrint OEM style Block and assembled the Small Block Chevy Kit to give you a 24% increase of 49 state legal horsepower, when installed in a GM pickup or SUV year 2000 or older model year that came with a California certified Gen 1 naturally aspirated 5.7 gasoline engine block.
• This engine may require modification to existing front accessory drive mounting brackets if retaining OEM front accessory drive. 
• Note: This engine kit has a California Air Resources Board (C.A.R.B.) Executive Order (E.O.) number: D-824-1.