Chevy LS 415 LS3 Aluminum Short Block
LS Series

Chevy LS 415 LS3 Aluminum Short Block

Chevy LS 415 LS3 Aluminum Short Block Basic Short Shown
415 LS3
Short Block $5,695

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

Hand Built & Individually Assembled!

  • GM Performance LS3 Aluminum Block w/6 Bolt Caps (1)
  • Lunati 4340 Forged Steel Crank w/58T Reluctor Wheel (2,3)
  • 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 (4)
  • 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
  • (2) 58T Reluctor Wheel Standard. 24T Reluctor Wheel Available At No Extra Charge
  • (3) Available With LS7 Dry Sump Style Longer Crank Snout For An Additional $150
  • (4) 1.2mm Carbon Steel Top Ring, 1.5mm Napier 2nd Ring, 3.0mm Standard Tension Oil Ring
Camshaft Installation Package$750
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.
Package Options
Cloyes 9-3672TX9Z Timing Set w/Single Roller "Z" Chain and Steel Billet Sprockets $125
Deluxe Short Block Version
Includes Camshaft Package
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 Holley Retrofit Hot Rod Pan & Pickup. Assembled With Camshaft Degreed And TDC Verified And Set
Package Options
Hi-Rev Performance Hydraulic Roller Lifters (16), Lifter Buckets (4) and Bolts (4) $395
Holley Road Race Baffle For The Retrofit Muscle Car Oil Pan add$225
GM Vehicle Specific Oil Pan $Call
Callies Dragonslayer 4340 Forged Steel Crank (58T Reluctor Wheel Standard) $995
Connecting Rods
Molnar Power Adder 4340 H-Beam Rods w/ARP 2000 Asymmetrical Bolts $200
Pistons - Pins - Rings - Bearings
Inverted Dome Style Piston $95
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$95
Cometic MLS (Multi Layered Steel) Head Gaskets (.060/.066 Thickness) Each$115