Chevy 6.2L (376) LS3 Aluminum Long Block
LS Series

Chevy 6.2L (376) LS3 Aluminum Long Block $

Chevy 6.2L (376) LS3 Aluminum Long Block Long Block Priced As Shown

LS3 Realstreet Long Block


Two Levels Of "Dyno Proven" Horsepower!

• 605HP Hot Rod Version

• 585HP Cruiser Version


Includes GM 2 Year Factory Warranty


  • Bore & Stroke
  • Compression Ratio
  • Cubic Inch
  • 376
6.2L LS3
Long Blocks $

This Is The Package That So Many LS Enthusiasts Have Been Waiting For!! A "Brand New" Factory Warranteed 600 HP Engine For Only $8995!! We Take A Brand New GM LS3 And Upgrade It The Way Most End Users Would Want It Built. We Supply A Complete Custom Comp Cams Hydraulic Roller Cam And Conical Valve Springs Package Along With A Steel Billet 3 Bolt Timing Set w/IWIS Performance Chain. We Install And Degree The Cam In And Set The Correct Lifter Preload With The Proper Length Manley Chrome Moly Pushrods. We Install A Premium Rocker Arm Trunion Bushing Kit And Then Button The Engine Back Together And Finish It Off By Priming The Oil System With Break In Oil. We Even Supply A Case Of 6 Quarts Of Proper Break In Oil For Free!!

Comes In Two Power Levels To Satisfy Virtually All Street Enthusiasts. The Hot Rod Is For Those Guys Who Crave A Radical Sounding And High Rev 605 HP Engine!! The Cruiser Version Version Includes A Milder Cam For Heavier Vehicles, And Those With Stock Style Converters And Highway Rear End Gearing. You Guys Know Which One Suits You Or We Can Give You Some Advice When You Order.

Has To Be One Of The Best Values In The LS Swap World Of LS Repower Packages! We've Done All The Research, Supplied The Right Combination Of Power And Upgrades Along With Extensive Dyno Testing To Deliver You A Professionally Prepared Long Block Ready To Bolt-on Your Induction Package Or We Can Supply You With One Already Installed And Ready To Run!


  • GM Performance LS3 Aluminum Block w/6 Bolt Caps
  • GM Performance Nodular Iron Crank w/58T Reluctor Wheel
  • GM Performance Powdered Metal Rods
  • Hypereutectic Aluminum Pistons
  • SSRE/Comp Cams Custom Hydraulic "Street Roller" Camshaft
  • Camshaft Degreed & Set For Maximum Power
  • Hi-Rev Hydraulic Roller Lifters w/Preload Set
  • Rollmaster Billet Timing Set w/IWIS Chain
  • GM L92 68cc Aluminum Heads
  • Comp Cams Conical Springs w/Lightweight Retainers
  • Manley Chromemoly .080" Wall Pushrods
  • GM MLS Head Gaskets
  • GM Oil Pump
  • GM Cast Aluminum 'F' Body Oil Pan w/Windage Tray
  • GM Aluminum Front Cover w/Seal
  • GM Aluminum Rear Cover w/Seal
  • GM LS3 Rocker Arms w/Trunion Bushing Kit
  • GM Harmonic Balancer w/Camaro Style Pulley
  • Holley Valve Covers w/Coil Bosses
  • GM Cam and Crank Sensors Installed
  • Engine Is Primed
  • Dyno Proven Horsepower
  • "Free" 6 Quarts 5W20 Break In Oil
Youtube Channel Shafiroff Engines Shipping Rates Shafiroff Engines Request For Information Shafiroff Engines
Igniton Components
Ignition Package Includes: (8) Coil Packs, Spark Plug Wires, Cam Sensor, Crank Sensor w/Engine Wiring Harnesses $795
MSD LS Controller (6014) Programmable Electronic Ignition Box (For 24T/58T Reluctor Wheel). Available in Black or Red. $495
Oil Pumps - Oil Pans - Vacuum Pump
GM Vehicle Specific Oil Pan $Call
Holley Muscle Car Retrofit 6 Quart Oil Pan Includes Custom GM Full Length Windage Tray and Holley "Road Race" Baffle Kit $465
Moroso Street/Strip 7 Quart Welded Steel Oil Pan Includes Custom GM Full Length Windage Tray and Baffle KitImage Close$395