1500hp 427ci Twin Turbo LS Next Turnkey Engine Package


1500hp rated 427ci Twin turbo LS engine package based on a Dart LS Next block with FuelTech EFI and Garrett ball bearing turbos.

Dyno tuned and ready to fit into your vehicle!

Please contact us before ordering this engine to discuss your exact requirements.

    • Additional $
    • Additional $


1500hp rated 427ci Twin Turbo LS Next turnkey engine package based on a Dart LS Next SHP block with Holley front accessory drive, FuelTech FT550 EFI and Garrett ball bearing turbos!

Machining and Prep:

  • Deck block with Ra surface report
  • CNC Diamond hone w/ surface report
  • Balancing
  • Paint block black

Long Block Spec:

  • Dart LS Next iron Gen SHP Block (Skirted) 1600hp 4.125″ bore
  • Dart LS Next cam bearings, dowels, freeze plugs
  • Molnar 4.00″ Crankshaft 58x (3.622 & 3.750 available)
  • ARP Flexplate bolts
  • TCI Flexplate (specify transmission)
  • ACL Main Bearings
  • ACL Rod Bearings
  • Molnar power adder rods 6.125″
  • ARP damper bolt
  • JE Forged pistons
  • Total Seal Steel rings
  • Melling 10296 oil pump
  • Dart LS Next ARP pro 7/16 head studs
  • Dart PRO 1 LS3 280cc CNC cylinder heads
  • MLS Spartan 18 bolt 4.200″ head gaskets
  • Custom Twin Turbo hyd/roller cam kit
  • ARP cam bolts
  • Billet Oil gallery dog bone
  • Comp cams Chromoly shaft mount rockers LS3
  • Cloyes Hex-A-Just Z-Racing Timing Sets
  • Morel drop in LS7 style lifters
  • Improved Racing Oil Pan Gasket
  • Wix Oil filter
  • Moroso LS Next SHP PRO oil pan
  • Valley cover gasket (late)
  • Front timing cover gasket Gen III & IV
  • Front timing cover Gen IV
  • Rear timing cover Gen III & Gen IV
  • Rear cover gasket
  • Holley Billet valley cover black
  • ACE Racing Engines Billet valve covers (black w/ -12AN breathers)

Turnkey Parts:

  • Holley mid mount front drive kit (black) (AC Kit also available)
  • Holley 2 port Billet Fuel Press Reg
  • AEM 380lph fuel pumps x2
  • Fuel Injector Clinic 130Lb/1200cc injectors
  • Holley Sniper 102mm throttle body
  • BTR EQ3 intake (black w/ fuel rails)
  • MSD Streetfire ignition Coils
  • MSD DynaForce Starter Motor
  • Holley steam vent kit
  • FlowTech Up and Forward Turbo Headers
  • Turbo transition pipes 3″ to 2.5″

EFI system:

  • FuelTech FT550 ECU
  • FT550 LS Harness
  • W02 Nano controller x2
  • FuelTech Vacuum distribution block
  • O2 sensor (gasoline) x2
  • PS150 Pressure Sensors
  • Coolant Temp Sensor
  • Air Temp sensor
  • TPS (ford)
  • GM crankshaft position sensor 58x
  • GM Camshaft position sensor 4x

Turbos and boost management:

  • Garrett GTW3476R billet ball bearing turbos (700hp each)
  • Turbosmart 60mm wastegate x2
  • Turbosmart 50mm Blow off valve x2

Additional information

Weight 400 lbs
Dimensions 48 × 40 × 40 in