CHEVY LS7 427ci 650hp COMPLETE ENGINE

CHEVY LS7 427ci 650hp COMPLETE ENGINE

Base Price Wet Sump $17,299

The LS7 427ci 650hp Complete 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: 650bhp @ 6700 rpm
Peak Torque: 600lb/ft @ 5200 rpm
Compression Ratio: 11.5:1
Operating Range: 2500 – 6700rpm
Required Fuel: 91+ Octane Pump Gasoline 

BLOCK SPECIFICATIONS

Block:

  • Dart SHP Pro Cast Iron Block (Aluminum Dart or Concept Performance LSr Blocks Available as Upgrade)
  • Resurfaced to Match Pistons
  • Bored 4.125”
  • Performance Honed with Torque Plates
  • New Durabond Cam Bearings Installed
  • Line Honed, Build Oil Clearances In
  • ARP Main Studs

Pistons:

  • Mahle Forged pistons with Anti-Friction Coating

Bearings:

  • King H-Series Main and Rod Bearings

Lifters:

  • Johnson OE Hydraulic Roller

Covers:

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

Damper:

  • Powerbond SFI
  • ARP Damper Bolt

Crank:

  • Callies Comp Star 4340 Forged Steel
  • 4.000” stroke
  • Your Choice of 24x or 58x Reluctor Wheel (Billet 24X Reluctor Wheel is an Extra $150″)
  • 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:

  • Cloyes Billet Roller with Hex Adjust

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:

  • Golen Aftermarket LS Aluminum CNC Ported
  • Three angle performance valve job

Intake Valves:

  • Rev Stainless Steel 2.16”

Exhaust Valves:

  • Rev Stainless Steel 1.6”

Head Bolts:

  • ARP Performance

Intake System:

  • Fast LSxR 102mm  Intake
  • 102mm Billet Throttle Body (DBW Options Available)
  • Bosch 52lb Uscar EV6 Fuel Injectors
  • GM Factory Fuel Rails or Black Billet Fuel Rails

Combustion Chamber:

  • 70cc

Flow:

  • 380CFM @ .600” Lift

Spring Kit:

  • BTR Double Valve Spring
  • Light Weight Titanium Retainers and Hardened Locks

Rocker Arms:

  • GM Factory 1.7 Ratio with BTR Trunion Upgrade Kit Installed

Pushrods:

  • BTR 5/16 .083” Wall Hardened

Ignition System:

  • NGK Spark 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 Youtube Dyno Video

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 one 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 “One 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!!