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

$19,450.95
Made to order
Universal fit — no vehicle-specific fitment required.
Free freight ≥ $999 · $40 flat below
About this part
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
Specifications
| SHIPPING WIDTH | 24 |
|---|---|
| SHIPPING HEIGHT | 34 |
| SHIPPING LENGTH | 28 |
| SHIPPING WEIGHT | 400 |
| WARRANTY | 24 Months |
| EMISSIONS | Racing or Pre-Emissions Use Only |
| PCDB CATEGORY | Engine |
| COUNTRY OF ORIGIN | US |
| PART TERMINOLOGY | Engine Long Block |
| INSTALLATION INSTRUCTIONS | crate_engine_valve_adjust.pdf |
| ENGINE OIL PUMP INCLUDED | Yes |
| WINDAGE TRAY INCLUDED | Yes |
| GRADE TYPE | Performance |
| MAIN BEARING CAP BOLT QUANTITY | 4 |
| FLYWHEEL INCLUDED | No |
| COMPRESSION RATIO | 11.2:1 |
| FLEXPLATE INCLUDED | No |
| ENGINE DISPLACEMENT | 416 CID |
| CRANKSHAFT MATERIAL | Forged Steel |
| PISTON STYLE | Dish |
| PISTON VALVE RELIEFS | Yes |
| OIL PAN INCLUDED | Yes |
| TIMING COVER INCLUDED | Yes |
| HARMONIC BALANCER INCLUDED | Yes |
| INTAKE MANIFOLD INCLUDED | No |
| CYLINDER HEAD MATERIAL | Aluminum |
| ENGINE WATER PUMP INCLUDED | No |
| AIR CLEANER TYPE | Not Included |
| CALIBRATION | No |
| CAMSHAFT TYPE | Rollin' Thunder Hydraulic Roller |
| CARBURETOR CHOKE TYPE | N/A |
| CARBURETOR TYPE | Not Included |
| CONSTRUCTION TYPE | Assembled |
| CYLINDER HEAD TYPE | Victor Jr. |
| DISTRIBUTOR INCLUDED | No |
| ENGINE BLOCK MATERIAL | Cast Iron |
| HARDWARE INCLUDED | Yes |
| HORSEPOWER | N/A |
| INTAKE MANIFOLD TYPE | Not Included |
| MANIFOLD MATERIAL | N/A |
| OIL FILTER INCLUDED | Yes |
| PISTON TYPE | Forged Aluminum |
| PLUG WIRE AND BOOT INCLUDED | No |
| QUANTITY | Sold Individually |
| REAR MAIN SEAL TYPE | 1-Piece |
| RGL | WARNING: This product can expose you to Chromium Lead and Zinc which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information visit www.P65warnings.ca.gov. |
| ROCKER ARM RATIO | 1.7:1 |
| ROCKER ARM TYPE | LS3 |
| SPARK PLUGS INCLUDED | No |
| THROTTLE BODY INCLUDED | No |
| TORQUE | N/A |
| TYPE | GM LS3 (Long Block Only) |
| UNIVERSAL OR SPECIFIC FIT | Specific Fit |
| VALVE COVER INCLUDED | Yes |
| VALVE COVER MATERIAL | Cast Aluminum |
| VALVE COVER TYPE | OEM Black Powder Coated |
| WATER PUMP INCLUDED | No |
| WIRE HARNESS INCLUDED | No |
Datasheet — not yet published