Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Engines and Components› Engines, Blocks and Components
Edelbrock
Carbureted GM LS 416 Victor Jr LongBlock
SKU: E003 46725
Advanced — 4+ hours
Overview
Show original supplier description
Part #: 46725
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
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Edelbrock |
| Part Number | E003 46725 |
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy