1200hp 408ci LSx

$13,978.00

1200hp rated 408ci LS Long Block. Based on a new GM Performance Iron block with Callies rotation assembly & AFR CNC ported 230 Mongoose heads. ALL NEW parts. 

Twin Turbo, Single Turbo or supercharged.

x24 or x58 reluctor wheel

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Description

1200hp LS Engine for Forced Induction applications (408ci)

  • 1200hp rated Turbo LS engine

  • Bore & stroke – 4.030” x 4.000”

  • Engine size – 408ci 

  • Deck height – 0.000

  • Chamber CC’s – 68cc

  • Piston Dish – 25cc

  • Static compression ratio  – 9.1:1

  • Head gasket compressed thickness – 0.051”

  • Valve spring open pressure @ .” – lbs

  • Spring seat pressure – 160lbs

  • Spring height – 1.780”

  • Hydraulic Roller cam for turbo or supercharger

Spec: 

  • Chevrolet Performance Gen IV Iron block
  • 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 Compstar 4.000 stroke Crankshaft 
  • Balanced Crankshaft
  • Callies Compstar 6.125” rods with ARP 2000 rod bolts 
  • TCI Flex plate 
  • ARP Flex plate bolts
  • ATI super damper 
  • ARP Damper bolt
  • Diamond Forged pistons -25cc dish 
  • Melling 10296 HV/HP oil pump 
  • Holley 302/3 oil pan (GM A body) 
  • ICT Billet oil feed 

Top End Spec:

  • IWIS single roller billet timing set 
  • GM Lifter trays
  • LS7 lifters 
  • ARP Pro head studs
  • GM MLS head gaskets 
  • AFR CNC ported 230 Mongoose heads
  • Powered metal valve guides
  • 62cc chambers
  • Stainless Valves
  • 4 bolt design
  • BTR Stage 3 twin turbo cam kit 
  • PAC Racing 650”  valve springs 
  • Titanium retainers 
  • Viton valve stem seals 
  • BTR 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 
  • 12 point Hardware

TOTAL: $13,978

We recommend Holley or FuelTech EFI for this engine. This 1200hp LS engine is based on a twin turbo, single turbo or supercharged application with a good tune. Engines must be tuned professionally.

Ideal for daily drivers & street/strip cars.

Other options also available. Please contact us before ordering this engine to discuss your exact requirements