Chevy LS 415 LS3 Aluminum Short Block
LS Short Blocks

Chevy LS 415 LS3 Aluminum Short Block $6,995

Chevy LS 415 LS3 Aluminum Short Block Basic Short Shown
415 LS3
Short Block $6,995

At Last...Finally An Affordable And High Quality Precision Short Block For The LS Enthusiast! Brand New GM LS3 Aluminum Blocks Combined With Lunati 4340 Forged Steel Crank And Callies/Compstar 4340 Forged Steel H-Beam Rods. JE/SRP Professional Series Forged Aluminum Pistons Complete This High Quality Build. Every Short Block Is Balanced, Clearanced And Hand Fitted By Our Experienced Team Of Race Engine Builders.

  • Bore & Stroke
  • Compression Ratio
  • 4.065 x 4.000
  • 11.0 to 1

Chevy LS 415 LS3 Aluminum Short Block
Hand Built & Individually Assembled!

Includes Engine Cradle and Wooden Shipping Crate
  • GM Performance LS3 Aluminum Block w/6 Bolt Caps (1)
  • Lunati Non Twist 4340 Forged Steel Crank w/58T Reluctor Wheel
  • Callies/Compstar 4340 6.125" H-Beam Forged Steel Rods w/ARP 2000 Bolts
  • Custom JE/SRP Forged Aluminum Pistons w/Coated Skirts
  • 1.2/1.5/3.0MM Premium Ring Set
  • Clevite 77 H-Series Main & Rod Bearings
  • Internally Balanced w/Mallory Heavy Metal
  • Professionally Blueprinted and Assembled
  • Footnotes:
  • (1) Plateau Honed w/SSRE Sunnen Diamond Equipment
Camshaft Installation Package$850
Includes: Custom SSRE/Comp Cam Steel Billet Hydraulic Roller Cam, Cam Thrust Plate & Rollmaster Single Roller Timing Set w/IWIS Chain. Camshaft Installed and Degreed.

Custom Designed Camshaft Profile Based On Your Individual Application.
Deluxe Short Block Version
Includes Camshaft Package
$1995
Includes: UltraStreet Hydraulic Roller Cam, Cam Thrust Plate, Rollmaster Single Roller Timing Set w/IWIS Chain, GM Front Cover w/Seal, ATI Harmonic Balancer, Melling Hi-Performance Oil Pump, Rear Cover w/Seal and GM Performance Muscle Car Oil Pan w/Full Length Windage Tray & Pickup. Assembled With Camshaft Installed and Degreed.
Package Options
Hi-Rev Performance Hydraulic Roller Lifters (16), Lifter Buckets (4) and Bolts (4) $395
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 KitImageShafiroff Racing Available Options Close$395
Shafiroff Racing Engine Options
Additional Parts - Labor - Accessories
ARP Metric Head Stud Kit (15 Bolt Heads) $295
Cometic MLS (Multi Layered Steel) Head Gaskets (.040/.045/.051 Thickness) Each$125
Cometic MLS (Multi Layered Steel) Head Gaskets (.060/.066 Thickness) Each$145