454ci 400 Hp BBC Marine Crate Engine

454ci 400Hp BBC Marine Crate Engine

Marine Crate Engines are new direct replacement units for your marine needs. Built for any type of marine application where long term reliable power and performance is needed. Blocks are prepared on our state of art Centroid 4-axis CNC machining center that corrects block dimensions to blue print perfect. Each engine is dyno tested and tuned for real power. Expect and receive the best in product, power, price and performance. A lot of engine builders in the industry just re-manufacture everything possible. You are really just getting old parts that have been recycled. The block is the only item we recondition. See Upgrades Below for Larger CI and additional upgrades



  • GM GEN V 4 Bolt Main Block Fully CNC Race Prepped
  • Brass or Stainless Steel Life Time Freeze Plugs
  • SHP Head Bolt Kit Plate Honed w/Block
  • GM 4.000″ Externally Balanced Crank
  • GM 6.135″ I-Beam Steel Rods with 7/16 Bolts
  • King Performance Main and Rod Bearing Set
  • Keith Black, Mahle, JE or Wiseco Forged Pistons
  • Total Seal or Hastings Plasma Moly Ring Set
  • Comp Cams or Erson Hydraulic Roller Cam
  • Comp Cams or Erson Hydraulic Roller Lifters
  • LPC or PBM High Performance Double Roller Timing Set
  • New GM Black Timing Cover and TDC Verified Pointer
  • New 8″ Externally Balanced Harmonic Damper
  • New GM Square Port 308cc Steel Heads
  • 2.19 x 1.880″ 11/32″ Stainless Steel Valves
  • Comp Cams Hydraulic Roller Springs Moly Retainers
  • Fel Pro Marine Hi-Performance Gasket Set
  • Manley 3/8 x .135″ Wall Chrome Moly Severe Duty Push Rods
  • Comp Cams 1.7 Ratio Roller Rockers
  • AwesomeEngines® CNC Engraved Valve Covers
  • M77HP Oil Pump and Welded Proper Pickup
  • Marine 7qt Coated for Protection Oil Pan
  • Merlin Marine Intake Manifold
  • HOLLEY or QFT 850 cfm Marine Carburetor
  • 8.5mm Spark Plug Wires and NGK Spark Plugs
  • AwesomeEngines® FREE 48 State Freight

Available Options

489-496ci Stroker with Eagle or Scat 4.250″ Stroke Crank and 6.385″ Rods
+ $ 975.00
504-511ci Stroker with Eagle or Scat 4.375″ Stroke 4340 Steel Crank and 6.385 I Beam Rod Kit
+ $1575.00
Melling Select Race Oil Pump
+ $ 175.00
Moroso Marine 8qt Oil Pan for Your Application (required for 4.250″ + stroke)
+ $ 175.00
Marine Oil Cooler for Extended Oil Protection; Billet Oil Filter Adapter, ½” Lines and Oil Cooler are a Must
+ $ 475.00
Steffs Kick Out 12qt. Hi-Performance Marine Oil Pan
+ $ 575.00
Solid Roller Cam Kit (cam, lifters, springs, retainers, locks)
+ $ 475.00
Comp Cams Pro Magnum Ultra XD Roller Rockers
+ $ 250.00
MSD Ready To Run Distributor and Coil
+ $ 450.00
AwesomeEngines® CNC Engraved Logo Your Color Powder Coated Covers with Billet Oil Fill
+ $ 275.00
FAST, FITECH or HOLLEY EFI Complete with Pump Kit Dyno Tested and Tuned; (must have dry exhaust system and space for o2 sensor)
+ $1975.00

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

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

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