CHEVY LQ9 408ci 550hp COMPLETE ENGINE

CHEVY LQ9 408ci 550hp COMPLETE ENGINE

Base Price LQ9 $12,249 / LY6 $12,649

This LQ9 crate engine makes max power and torque with a hydraulic cam which is very street able but also gives you the sound you are looking for!!

Peak Horsepower: 550bhp @ 6400 rpm
Peak Torque: 540lb/ft @ 4800 rpm
Compression Ratio: 11:1
Operating Range: 2300 – 6300rpm
Required Fuel: 91+ Octane Pump Gasoline 

BLOCK SPECIFICATIONS

Block:

  • Seasoned GM LQ9 Cast Iron Block
  • Zero Decked
  • Bored 4.030”
  • Honed with Torque Plates and Pressure Washed
  • New Durabond Cam Bearings Installed
  • Line Honed
  • ARP Main Studs


Pistons:

  • Mahle Forged pistons with Anti-Friction Coating

Bearings:

  • Clevite H-Series Main and Rod Bearings


Lifters:

  • Comp Cams Hydraulic Roller


Covers:

  • GM Oil Pan (Camaro, Corvette, GTO or Truck)
  • GM Timing Cover
  • GM Rear Cover
  • GM Lifter Valley Cover
  • GM Valve Covers


Damper:

  • Powerbond SFI
  • ARP Damper Bolt


Crank:

  • Callies Comp Star 4340 Forged Steel
  • 4.000” stroke
  • Internally Balanced Front and Rear


Rods:

  • Callies Comp Star Forged Steel H-Beam
  • 6.125” Length


Rings:

  • Mahle Plasma Moly


Camshaft:

  • Comp Cams Hydraulic Roller


Timing Sets:

  • GM Single LS3 Roller


Oil Delivery:

  • Melling Select Performance High Volume
  • GM Pick Up Tube
  • GM Windage Tray


Gaskets:

  • GM MLS Head Gaskets
  • GM Cover Gaskets

CYLINDER HEAD SPECIFICATIONS

Type:

  • GM Factory LS3 Aluminum Bowl Ported
  • Three angle performance valve job


Intake Valves:

  • Manley Stainless Steel 2.16”


Exhaust Valves:

  • Manley Stainless Steel 1.59”


Head Bolts: 

  • ARP Performance


Intake System:

  • GM Factory LS3 Intake
  • 92mm Billet Throttle Body
  • Fast 40lb Uscar Fuel Injectors
  • GM Factory Fuel Rails

Combustion Chamber:

  • 70cc


Flow:

  • 340CFM @ .600” Lift

 

Spring Kit:

  • Polished Double Valve Spring
  • Light Weight Tool Steel Retainers and Hardened Locks

 

Rocker Arms:

  • GM Factory 1.7 Ratio

 

Pushrods:

  • Smith Brothers 5/16 .083” Wall Hardened

 

Ignition System:

  • MSD 8.5mm Plug Wires
  • NGKSpark Plugs

 

Dyno Test Service:

  • Run Engine for Full Break In and Power Test
  • 2 Oil Changes using Joe Gibbs Break In Oil
  • Graphs Listing HP, Torque and all Engine Vitals

 


We are able to build your engine to match just about any specs you desire, so if you do not see it just ask us! Each Golen Engine comes standard with a three year no mileage limit warranty to keep you confident and covered. When you purchase one of our LS HP or Hot Rod Series Street Engines you will receive a full spec sheet listing the exact components your engine was built with. We will also provide you with a complete Set Up Guide as well as full phone tech support to aid you with the installation process. It is mandatory for you to contact Golen Engine Tech Support before starting your engine for the first time and you can reach our Tech Support Line at 1-800-591-9171 ext 2. Each Golen Engine Performance Street Engine comes standard with a “Three Year no Mileage Limit Warranty” to keep you confident and covered! Feel free to contact us anytime for help choosing the perfect performance engine combination!!