518ci 650HP BBC Marine Crate Engine

518ci 650Hp BBC Marine Crate Engine

This 518ci 600hp BBC Crate Engine is a complete dyno tested ready unit for Marine or Street. Professionally machined with a Centroid 4 Axis CNC block machining center for perfect accuracy, there are no tolerance stacking problems with multiple machines with common NON CNC machine shops. Hydraulic Roller Cam and Lifters are standard for optimum performance and reliability. Professionally assembled then dyno tested and tuned or we do not sell it. This engine will fit into any Gen IV, V or VI car, truck or Marine application. EFI is also available for up to date engine controlled performance.


 9.8 Deck | 4.280 Bore | 4.500 Stroke | 6.535 Rods | 675lb 4400 and 650Hp @ 5500 rpm


  • GM Gen V 4 Bolt Main 1 Piece Rear Main Seal Block CNC Race Prepped
  • Brass or Stainless Steel Lifetime Freeze Plugs Installed
  • GM Head Bolt Kit Plate Honed with the Block
  • Callies 4340 Internally Balanced 4340 Steel 1 Piece Rear Seal Crank
  • H Beam Steel Rods with ARP 8740 7/16 Rod Bolts
  • Clevite or King GM “H” Series Cam Main and Rod Bearings
  • JE, Wiseco or Mahle 10:1 Forged Pistons
  • Total Seal Plasma Moly Hi-Performance Ring Set
  • Comp Cams or Erson .600″ Lift Hydraulic Roller Cam
  • Comp Cams or Erson Retro Fit Hydraulic Roller Lifters
  • Cloyes True Roller Timing Set
  • GM Black Steel Timing Cover and TDC Verified Pointer
  • Internally Balanced 8″ Harmonic Damper
  • Dart 15200132 Iron Eagle 345cc +.300″ Raised Exhaust Cylinder Heads
  • Dart 2.30/1.88 Stainless Steel Valves
  • Dart 1.550″ .660″ Dual Hydraulic Roller Springs 10° Retainers and Locks
  • Fel Pro Complete Marine Gasket Set
  • Manley 3/8 x .135″ Chrome Moly Push Rod Set
  • Comp Cams Roller Tip 7/16 Rocker Arms
  • GM Aluminum Valve Covers
  • GM Oil Pump Kit with Tig Welded Pickup Tube
  • GM 8qt. Hi-Performance Oil Pan
  • Edelbrock Performer RPM Air Gap Intake Manifold
  • Holley or QFT Marine 850 cfm Carburetor
  • MSD 85551 Billet Distributor, Wires and NGK Spark Plugs
  • free 48 freight to continental USA (see bottom for details)

Upgrade or Option not Listed are Available (call)

Dart Big M or World IV Siamese Race Block
+ $ 995.00
Any Dart Iron Eagle M Series Cylinder Heads with Enconel Exhaust Valves
+ $ 595.00
Dart Iron Eagle 15372132-330cc CNC Ported Steel Square Port Heads with 2.3/1.88 Valves with .660″ Hydraulic Roller Valve Springs
+ $ 995.00
Dart Pro 1 19300132 345cc Aluminum Heads with 2.300 Intake and 1.88″ Enconel Exhaust Valves 1.550″ .660″ Lift Hyd Roller Springs
+ $1095.00
Dart Pro 1 19300132M 345cc Aluminum Heads, 2.300 Intake, 1.88″ Enconel Exhaust Valves with Teflon Coating to Inhibit Corrosion
+ $1595.00
Titanium or Tool Steel Light Weight Valve Spring 10° Retainers
+ $ 150.00
Isky Professional Series (Johnson) Hydraulic Roller Lifters
+ $ 695.00
Comp Cams 7/4 Swap Solid Roller Cam and Hippo Lifters, Tool Steel Retainers, 1.640 Nex Tek Springs and Stud Girdle
+ $ 895.00
Jesel or T&D Sportsman Shaft Rocker System
+ $1095.00
Jesel or T&D Pro Series Shaft Rocker System
+ $1295.00
ATI SFI Super Damper Specific Honed to Crank Installed
+ $ 395.00
AwesomeEngines® CNC Engraved Logo Powder Coated Covers with Billet Oil Fill and Breather Holes
+ $ 295.00
Holley Sniper or EZ EFI Fast 30226-06 Kit Fuel Injection System Installed, Dyno Tested and Tuned for EZ EFI Set Up
+ $1975.00
Power Master #9500 18:1 Compression 4.4:1 Gear Reduction New Starter
+ $ 225.00

Dyno Tested and Tuned with Exxon 91° Pump Gas • Vacuum Pump • HP Corrected to Sea Level

Free insurance and freight of $450 applies to this item being shipped to a UPS terminal or commercial address in the con. 48 states for your zip code. Any handling fees, residential, lift gate service, out of area charges may apply over the $450. Total cost of all charges if any will be known to you before we ship.

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