BluePrint BP38318SP GM 383 Short Block Plus Crate Engine, Cast Steel Crank

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: 430 HP / 450 FT LBS
• Compression Ratio: 10.0:1
• Hypereutectic Pistons
• Cast Steel Crank
• Part #: BP38318SP

Block

• 4 Bolt main
• 4.00" bore
• Passenger side dipstick
• Align honed main bearing bore

Rotating Assembly

• New cast iron crankshaft, 3.75" stroke
• Hypereutectic pistons, 12CC Dish
• New rods with 150,000 PSI bolts
• Hastings moly rings
• Melling high volume oil pump
• Hydraulic roller cam
• Heavy duty single roller timing set
• Harmonic balancer

Cam Specs

• Cam Type: Roller, Lift with 1.6 rockers

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

Actual displacement 377 cubic inches. Horsepower numbers are with H8002K cylinder heads installed. Recommended oil for your BluePrint Crate Engine: 10W30, Non-Synthetic, Not for EGR