BluePrint Engines 383CI Stroker Crate Engine | Small Block GM Style | Shortblock Plus | Roller Cam



  • HP & Torque: 432 HP / 450 FT LBS
    Compression Ratio: 9.5:1
    Forged Pistons
    Forged Crank
Due to world events we are working with our manufacturers every day to ship and receive parts. If the part you are looking for is time sensitive please give our team a call at 855-806-1147 before ordering to ensure it's availability.

Shipping is free, but there is a delivery fee for residential addresses.

SKU: BPEBP38321SP Categories: ,


  • 4 Bolt main
  • 1 piece rear main seal.
  • 4.00″ bore
  • Passenger side dipstick
  • Align honed main bearing bore
  • Cylinders honed on computer-controlled machine to within .0002 straightness and roundness
  • Cylinders are sonic tested for thickness

Rotating Assembly:

  • New forged crankshaft, 3.75″ stroke
    Forged pistons, 18CC Dish
    Forged rods with 150,000 PSI bolts
    Hastings moly rings
    Melling high volume oil pump
    Hydraulic roller cam
    Heavy duty double roller timing set
    Harmonic balancer



Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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