BBC 454ci 450 Hp Street Crate Engine

BBC 454ci 450 Hp Street Crate Engine

BBC 454ci Street Crate Engines are direct replacements for 87° pump gas applications. Blocks prepared on our state of art 4-axis CNC machining center to blue print near perfect specifications. Engines assembled, broken in correctly on the  dyno then tested and tuned to perfection. The best product, power, price and performance either stock or performance oriented camshafts. See Options Below for anything you may want and they are in stock ready to assemble to your performance needs with a One Year Warranty


9.800″ Deck | 4.280″ Bore | 4.000″ Stroke | 6.135″ Rods | 500lb @ 3200 rpm / 450Hp @ 4900 rpm


  • Gen V 4 Bolt Main One Piece Real Seal Block Fully CNC Race Prepped
  • 4.280″ Max Bore, 9.8″ Deck, Block No External Fuel Pump
  • Brass or Stainless Steel Life Time Freeze Plugs
  • GM 4.000″ Standard Externally Balanced Crank
  • GM 6.135″ I-Beam Steel Rods with 3/8″ Bolts
  • King Main, Rod and Cam Bearing Set
  • 8:1 Compression New Cast Pistons and Moly Rings
  • Competition Cams or Erson Performance or Stock Hydraulic Flat Tappet Cam
  • Competition Cams or Erson Flat Tappet Hydraulic Lifters
  • High Performance Double Roller Timing Set
  • GM Steel Timing Cover and TDC Verified Pointer
  • Externally Balanced 8″ GM Harmonic Damper
  • GM Oval Port Heads
  • GM Intake and Exhaust Valves
  • Hydraulic Springs and Retainers for Either Cam Shaft Desired
  • Complete Performance Gasket Set
  • GM 1.7 Ratio Rockers, Guide Plates, Push-Rods and Fasteners
  • GM Short CNC Engraved Aluminum Valve Covers
  • M77 High Pressure Oil Pump with Welded Pickup Tube
  • GM 7 Quart Oil Pan and Dipstick
  • Edelbrock Performer 2.0 Dual Plane Intake Manifold and Spacer
  • Holley AV770 or QFT HR750 cfm DP Carburetor with Electric Choke
  • HEI Distributor,  Coil, 8.5mm Wires and NGK Spark Plugs
  • AwesomeEngines® Free 48 State Freight


Dart Big M 31243344v Ductile Splayed Cap Racing Block Fully CNC Race Prepped
+ $1875.00
489ci Ext-Bal Nodular 4.250″ Crank, 6.135″ I Beam GM Rods 3/8 Bolts, 9:1 Flat Top Speed Pro Pistons, File to Fit Rings
+ $ 975.00
489ci Int-Bal 4340 Forged 4.250″ Crank, 6.385″ H Beam Rods ARP 7/16 Bolts, 10:1 JE or Wiseco Forged Pistons, File to Fit Rings and Dampener
+ $2275.00
Dart 19000172M 275cc Aluminum Oval Port Heads, Intake, 850cfm Carburetor for up to 550lb 500Hp, Roller Tip Rockers, .135″ Push Rods
+ $1975.00
Dart 1910032M 310cc Steel Square Port Heads 489ci, Intake, 950cfm Carburetor for up to 600Hp, Roller Tip Rockers, .135″ Push Rods
+ $1575.00
Hydraulic Roller Camshaft, Lifters, Springs, Steel Retainer Performance Camshaft Kit
+ $ 849.00
MSD Ready to Run Stand Alone Distributor, Coil, Wires and Spark Plugs Tested and Tuned
+ $ 395.00

Dyno Tested and Tuned Using Exxon 87° Pump Gas • HP Corrected to Sea Level

Free Freight of $300 Applies to Engine Shipped to a Commercial Address or a Terminal Closest to Your Zip Code for Pickup in the 48 States.

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