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MaisonProduitsCulasseCulasse pour moteurs V8 GM série LS
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
  • Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing

Culasse

Culasse pour moteurs V8 GM série LS

Moteur applicable :

LS1 / LS6 / LM7 / L59 / LQ4 / LQ9 / LS2 / LS3 / LS7 / L76 / L92 / L99

Marque applicable :

GUÉ

Voiture applicable :

Fiesta Mk4/Fiesta Mk5/Ka/courrier/courrier/Ikon

Paramètres du produit :

Déplacement Carburant Cylindre Vallée Arbre à cames Année
4.8L / 5.3L / 5.7L / 6.0L / 6.2L
Essence
 4 8 1  

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Introduction

Numéro de produit

ML N°N° OEMRÉF. N°
MLG081A
MLG081B
MLG081C
MLG081D
MLG081E
MLG081F
Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing
Complete LS cylinder head for 5.3L/6.0L truck engine CNC ported LS3 head for performance upgrade Bare aluminum LS1 cylinder head with cathedral ports GM 6.2L L92/LS3 head replacement kit LS swap compatible cylinder head for hot rods and racing

Informations sur le produit Culasse

Aluminum / Cast Iron | 4.8L / 5.3L / 5.7L / 6.0L / 6.2L | Gen III / IV Small Block

1. Présentation du produit

Le General Motors LS-Series V8 engine is a family of modern small-block V8s used in a wide range of Chevrolet, GMC, Cadillac, and Pontiac vehicles depuis 1997 to present. These engines are known for their compact design, high power-to-weight ratio, and modular cylinder head architecture.

LS engines use either cathedral-port (Gen III) ou rectangular/oval-port (Gen IV) aluminum cylinder heads, with some early iron heads used on truck applications.

2. Technical Specifications (Typical LS Heads)

FonctionnalitéSpécification
Matériau de la culasseAluminum (most) / Cast Iron (truck models)
Train de soupapesOHV (Overhead Valve), Pushrod
Configuration de la vanne16-Valve (2 valves per cylinder)
Combustion Chamber Size~61cc (Gen III) / 70–72cc (Gen IV, rectangular port)
Intake Port ShapeCathedral or Rectangular (depends on engine family)
Exhaust Port ShapeD-Port or Oval
Rocker Arm Ratio1.7:1 (standard)
Système de carburantEFI / Multi-port injection

3. Compatible LS Engines and Applications

Code moteurDéplacementVéhicules courants
LS15.7L V8Camaro, Corvette C5, Firebird (1997–2004)
LS65.7L HO V8Corvette Z06, CTS-V
LM7 / L595.3L V8Silverado, Tahoe, Suburban
LQ4 / LQ96.0L V8Silverado HD, Escalade, Express
LS26.0L V8Corvette C6, GTO, Trailblazer SS
LS36.2L V8Camaro SS, Corvette C6 (later)
LS77.0L V8Corvette Z06 (high-performance head)
L76 / L92 / L996.0–6.2LTrucks, Performance sedans

Note: Some truck heads (e.g., 799, 862, 706 castings) are interchangeable across engines, but combustion chamber and port volume vary.

4. Common LS Cylinder Head Casting Numbers

Casting #ApplicationRemarques
241 / 853LS1 (cathedral port)Early aluminum heads
243 / 799LS6, LS2, 5.3 HOBest flow cathedral-port heads
706 / 8624.8L / 5.3L (truck)Small chamber, cast iron or aluminum
317LQ4/LQ9 6.0L truckLarge chamber, low compression
823LS3, L92, L99Rectangular port, high flow Gen IV
5364LS7CNC ported high-performance head

5. Types de produits

TaperDétails
Tête nueHead casting only (no valves)
Assembled HeadIncludes valves, springs, retainers
Performance HeadCNC ported, upgraded valve springs/lifters

All heads are pressure-tested, CNC-machined, and ready for high-performance or OEM use.

6. Notes d'installation

  • Toujours utiliser new head gaskets and TTY (torque-to-yield) head bolts or studs
  • Assurer pushrod length matches lifter preload and camshaft
  • Vérifier valve spring height and coil bind if using aftermarket camshafts
  • For LS3/LS7, confirm intake manifold compatibility with port shape
  • Vérifier combustion chamber size to match compression ratio requirements

7. Problèmes courants de culasse

ProblèmeCauseSolution
Tête fissuréeSurchauffe ou détonationRemplacer par un nouveau moulage
Usure du guide de soupapeHigh mileage or low oilReam or replace guides
Lifter tick / noiseCollapsed lifter or stuck pushrodReplace lifters / check preload
Tête déforméeSurchauffe graveRefaire surface ou remplacer
Broken valve springHigh-RPM abuse or fatigueReplace with upgraded springs

8. Global Demand and Applications

Africa/Asia: Swap markets, racing builds, aftermarket upgrades

Amérique du Nord: USA, Canada – performance and truck rebuilds

Amérique du Sud: Brazil, Argentina – GM S10/Trailblazer with V8 swaps

Europe: Corvette, Holden HSV export models

Australie: Commodore/HSV using LS1, LS2, LS3

Mots clés:

243 casting LS1/LS6 head GM small block aluminum head LS cylinder head
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