1500hp 408ci Turbo LSx

$15,933.00

1500hp rated 408ci LS. Based on a new GM Performance Iron block with billet main caps, Callies DragonSlayer rotation assembly and AFR CNC Mongoose heads. ALL NEW parts. 

Twin Turbo, Single Turbo or supercharged.

x24 or x58 reluctor wheel

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Description

1500hp LS Engine for Forced Induction applications – Turbo LSx 408ci

1800hp rated Dart 427ci see bottom of page

  • 1500hp rated

  • Bore & stroke – 4.030” x 4.0”

  • Engine size – 408ci

  • Deck height – 0.000

  • Chamber CC’s – 68cc

  • Piston Dish – 28cc

  • Static compression ratio  – 8.8:1

  • Head gasket compressed thickness – 0.051”

  • Valve spring open pressure @ 

  • Spring seat pressure – 

  • Valve spring height – 1.780”

  • Hydraulic Roller cam for turbo or supercharger

Spec: 

  • Chevrolet Performance Gen IV 6.0L block with billet main caps, drilled and tapped for 1/2 head studs (LSX or Dart block also available with 6 bolt head provisions)
  • King Racing XP coated main bearings 
  • King Racing XP coated con rod bearings
  • Durabond coated cam one piece cam bearings 
  • ARP Pro Main studs
  • Callies DragonSlayer 4.00” crankshaft 
  • Callies Ultra H beam 6.125” rods with ARP 2000 rod bolts 
  • TCI Flex plate 
  • ARP Flex plate bolts 
  • Inovators West harmonic balancer 
  • ARP Damper bolt 
  • Diamond pistons -28cc dish 
  • Melling 10296 HV/HP oil pump
  • Holley 302/3 oil pan (GM A body)
  • ICT Billet oil feed 

Top End Spec:

  • IWIS Double roller billet timing set 
  • GM Lifter trays
  • LS7 lifters 
  • 1/2″ Pro head stud kit
  • Graphite head gaskets and O rings
  • AFR CNC ported Mongoose heads 
  • Powered metal valve guides
  • 68cc chambers
  • Stainless intake valves
  • Inconel exhaust valves
  • 4 bolt design (6 bolt heads available with aftermarket block)
  • BTR Stage 4 twin turbo cam kit 
  • PAC 650” Platinum valve springs 
  • Titanium Retainers 
  • Viton valve stem seals 
  • Hardened spring cups 
  • Chromoly push rods 7.400
  • Mahle Cam retaining plate & bolts 
  • ARP Cam bolts 
  • ARP Rocker bolts  
  • GM LS1 1.7:1 Rockers 
  • GM LS1 Rocker stand 
  • C.H.E Bronze bearing trunnion kit 
  • Gasket kit 
  • Oil Filter
  • Front & Rear covers 
  • Core Plugs 
  • Oil Gallery dog bone
  • Billet Valley Cover (ACE or ICT) 
  • Valve covers (ACE, ICT or Holley) 
  • Dipstick and tube
  • Windage Tray 
  • Oil filler cap 
  • AN-3 Steam vent kit 
  • Hardware 
  • Lube & consumables

TOTAL : $15,933

427ci Dart LS Next SHP Pro block & 6 bolt heads (1800hp) : $17,400

We recommend Holley or FuelTech EFI for this engine. This 1500hp LS engine is based on a twin turbo, single turbo or supercharged application with a good tune. Engines must be tuned professionally.

Ideal for extreme street cars and race cars. 

Turbo LSX, Twin turbo LS