Chevy 415 LS3 Power Adder Short Block
Power Adder Short Blocks

Chevy 415 LS3 Power Adder Short Block $7,895

Chevy 415 LS3 Power Adder Short Block

Chevy 415 LS3 Power Adder Short Block

New! 415 LS3 S/C
Short Blocks $7,895

Brand New GM LS3 Aluminum Block Combined With Callies/Compstar 4340 Forged Steel Crank And Callies/Compstar 4340 Forged Steel H-Beam Rods With ARP 2000 Bolts. Forged 2618 Aluminum Pistons And GFX Rings Specifically Designed And Gapped For Boost Applications. Every Short Block Is Machined, Balanced, Clearanced And Hand Assembled By Our Experienced Team Of Race Engine Builders.

  • Bore & Stroke
  • Compression Ratio
  • 4.065 x 4.000
  • See Chart
Chamber Vol.69cc
Flat Top (-3cc)11.0
Dish (-20cc)9.5
Ratio Computed With .051" Gasket
Includes Engine Cradle and Wooden Shipping Crate
  • New GM Performance LS3 Aluminum Block w/6 Bolt Steel Billet Caps
  • ARP Main Stud Kit
  • Callies/Compstar Full CCW 4340 Forged Steel Crank w/58T Reluctor Wheel
  • Callies/Compstar 4340 6.125" Forged Steel Rods w/ARP 2000 Bolts
  • Clevite 77 H-Series Main & Rod Bearings
  • Wiseco 2618 Forged Power Adder Pistons
  • Tool Steel Wrist Pins
  • GFX Steel Ring Set Gapped For Boost
  • Complete Assembly Balanced w/Mallory Heavy Metal
  • Includes Engine Cradle and Wooden Shipping Crate
  • Footnotes:
  • 24T Reluctor Wheel Available
  • Camshafts Available For Turbo, Positive Displacement or Centrifugal Supercharged Applications
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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