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AD Performance Competition Dominator 4.00 "408" Shortblock


AD Performance "427" Custom Race Engine

  • DART Sportsman Billet Cap Race Block
  • 4.00 Forged Crankshaft (Scat, Eagle - Your Choice)
  • 6.200 H-beam connecting rods (Scat, Eagle - Your Choice)
  • 4.030 Bore Probe Forged 2618 pistons, Flat top or Dished (Optional: Mahle, JE, SRP, Ross, CP, Diamond, Customs.)
  • Clevite H Series Race Bearings
  • A&C HTD "Hellfire" File fit Rings

AD Performance In House Machine Work :

  • All parts inspected for quality and size
  • Block is fully deburred & Detailed
  • Rods, pistons assembled for a bobweight, weight matched before final balance
  • Computer balanced on state of the art Sunnen balancer within 1g
  • DART Block CNC Bored
  • Proprietary 3 step hone w/ BHJ Aluminum Torque plate in Sunnen hone
  • BHJ Fixture for square, decked for "0" Deck with CBN cutter for MLS finish
  • Main line, Cam tunnel, Lifter bores checked and corrected for proper blueprint tolerance
  • Rods & Pistons pin fit for precision tolerance & race applications
  • Washed for assembly
  • Blueprinted and trial fit
  • Final Assembly with engine blueprint spec sheet

Additional options for bottom end:

  • ARP2000 or L19 Rod Bolts
  • Piston Options - Please inquire
  • Piston Pins - Tool Steel, "52" Series, "9310", Taper Wall & Others
  • Iron Eagle Block & Main Studs
  • Dual Key Crankshaft
  • We also offer different bore and stroke combinations to spec as needed
  • We can custom build any combination to spec

We also offer Heads, Camshafts, Oilpans, Valvetrain and turn key options as needed.

We do NOT shortcut our engines! Every engine is custom made for your specific application and is FULLY machined and professionally assembled one at a time.

In basic form these engines will support in excess of 800+hp. With several small upgrades these combo's will support 1200hp! We can fully customize this engine to your brand and application specifics, this is an example of our common build, please inquire for specifics.

Add to Cart:

  • Model: ADP427Dominator
  • Shipping Weight: 300lbs
  • 10 Units in Stock

This product was added to our catalog on Tuesday 16 December, 2008.