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Product Summary

350, 383, Short Block Crate Engine Type

    Need To Know

    Ineligible for Return

    Contains items that cannot be returned

    Details

    True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!

    GM 383 Short Block Plus

    Overview

    • HP & Torque: 432 HP / 450 FT LBS
    • Compression Ratio: 9.5:1
    • Forged Pistons
    • Forged Crank
    • Part #: BP38321SP
    Block
    • 4 Bolt main
    • 4.00" bore
    • Passenger side dipstick
    • Align honed main bearing bore
    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
    Cam Specs
    • Cam Type: Roller, Lift with 1.6 rockers .528 Intake .536 Exhaust, 221 Intake / 226 Exhaust duration @ .050 - 110 degree lobe separation
    Ignition Timing
    • 34 degrees total (at 3500 RPM)
    Also Includes
    • Oil pan and timing cover
    • Brass freeze plugs
    • Dyno tested - shipped with results
    Notes

    Bore and stroke combination makes this crate engine a 377ci displacement

    Charts

    Warranties