Made in USA
46725 Long Block #46725 GM LS3 416, Victor Jr. Head, 1-Piece Rear Main
InfoVehicle Info Needed
EDELBROCKPART NUMBER: 350-46725

46725 Long Block #46725 GM LS3 416, Victor Jr. Head, 1-Piece Rear Main

$19,45095
Truck Freight
ShippingShips on 10/21/2026
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Long Block #46725 GM LS3 416
  • Victor Jr. Head
  • 1-Piece Rear Main

    Edelbrock 46725 Features:

    Edelbrock part #46725 is the same long-block used on our Victor Jr. LS 416 crate engine that makes 602 horsepower and 538 ft-lbs. of torque. It features an aluminum LS3 block with a forged and balanced Manley crankshaft, forged Manley H-Beam connecting rods and Manley forged aluminum pistons to create a 416ci LS3 stroker with 4.065" bore and 4.000" stroke. The core of this long-block are the Victor Jr. LS3 cylinder heads #61339 and Rollin' Thunder hydraulic roller camshaft #2219. These are the key components that help this engine deliver impressive power potential. Its compact profile makes this engine a great solution for a hassle-free LS swap into any high performance muscle car, street rod or truck! Engine Specifications: - Displacement: 416 c.i.d. - Horsepower: N/A - Torque: N/A - Compression: 11.2:1 - Block: LS3 Aluminum - Crankshaft: Forged 4340 - Pistons: Forged Aluminum - Rods: Forged H-Beam - Camshaft: Edelbrock Rollin' Thunder #2219 - Rocker Arms: LS3, 1.7 ratio - Cylinder Heads: Edelbrock Victor Jr. #61339 - Finish: Black powder coated - Warranty: 2-year / Unlimited mileage - Long Block only. Does not come with an induction system

    • Edelbrock part #46725 long block features a GM aluminum LS3 block with a forged and balanced Manley crankshaft, forged Manley H-Beam connecting rods and Manley forged aluminum pistons to create a 416 c.i.d LS3 stroker

      Emissions Note:

      This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

      CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Part TypeEngine
    BrandEDELBROCK
    Package Width400.0
    Weight400.0 PG
    Part CategoryPerformance Parts
    Engine TypeCrate Engine
    Cylinder Head MaterialAluminum
    Engine Block MaterialAluminum
    QuantitySold individually
    Part FitmentSemi Universal
    Engine Displacement416 ci.
    Engine Make/SizeGM Gen III/IV LS
    Compression Ratio11.2:1
    Vendor Part Number46725
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Some parts are not legal for use in California or other states with similar laws / regulations
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