
engine parts
Edelbrock 46125 Long Block #46125 HEMI Gen III 426, Performer RPM Head, 1-Piece Rear Main

$24,366.95
Made to order
Universal fit — no vehicle-specific fitment required.
Free freight ≥ $999 · $40 flat below
About this part
Edelbrock part #46125 Gen III HEMI 426 Long-Block is the base for our Supercharged crate engine but is also a great starting point for any high horsepower forced induction Mopar build. Its compact design allows for a seamless swap into most platforms; Rocker Arms: Stock Gen III Hemi; Cylinder Heads: Edelbrock Performer RPM #61099; Fuel Injectors: Not included; Supercharger: Not included; eliminating the need for modifications to your engine bay or hood. The foundation of this engine is a brand new iron Mopar 392 block with a forged and balanced Manley crankshaft forged Manley H-Beam connecting rods and Manley forged aluminum pistons. The 4.090in. bore and 4.050in. stroke help this HEMI produce incredible low end torque. The 9.9:1 compression ratio allows for safe and reliable supercharged performance on 91 octane pump gas. Engine Specifications: Displacement: 426 c.i.d.; Horsepower: Upwards of 808 HP when used with an Edelbrock Supercharger; Torque: Upwards of 762 ft/lbs. when used with an Edelbrock Supercharger; Compression: 9.9:1; Block: New Mopar Iron; Crankshaft: Forged 4340; Pistons: Forged Aluminum -5cc; Camshaft: 226 Deg /234 Deg .619/.612 114 cl
Specifications
| SHIPPING WIDTH | 36 |
|---|---|
| SHIPPING HEIGHT | 44.5 |
| SHIPPING LENGTH | 36.5 |
| SHIPPING WEIGHT | 413 |
| 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-warranty.pdf |
| ENGINE OIL PUMP INCLUDED | Yes |
| WINDAGE TRAY INCLUDED | Yes |
| GRADE TYPE | Performance |
| MAIN BEARING CAP BOLT QUANTITY | 4 |
| FLYWHEEL INCLUDED | No |
| COMPRESSION RATIO | 9.9:1 |
| FLEXPLATE INCLUDED | No |
| ENGINE DISPLACEMENT | 426 CID |
| CRANKSHAFT MATERIAL | Forged Steel |
| PISTON STYLE | Dish |
| PISTON VALVE RELIEFS | Yes |
| ENGINE BLOCK MATERIAL | Iron |
| OIL PAN INCLUDED | Yes |
| TIMING COVER INCLUDED | Yes |
| HARMONIC BALANCER INCLUDED | Yes |
| INTAKE MANIFOLD INCLUDED | No |
| CYLINDER HEAD MATERIAL | Aluminum |
| ENGINE WATER PUMP INCLUDED | Yes |
| AIR CLEANER TYPE | Not Included |
| CALIBRATION | No |
| CAMSHAFT TYPE | 226deg/234deg .619/.612 116 LSA |
| CARBURETOR CHOKE TYPE | N/A |
| CARBURETOR TYPE | Not Included |
| CONSTRUCTION TYPE | Assembled |
| CYLINDER HEAD TYPE | Performer RPM |
| DISTRIBUTOR INCLUDED | No |
| 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 | Mopar OEM |
| ROCKER ARM TYPE | Roller |
| SPARK PLUGS INCLUDED | No |
| THROTTLE BODY INCLUDED | No |
| TORQUE | N/A |
| TYPE | HEMI Gen III (Long Block Only) |
| UNIVERSAL OR SPECIFIC FIT | Specific Fit |
| VALVE COVER INCLUDED | Yes |
| VALVE COVER MATERIAL | Cast Aluminum |
| VALVE COVER TYPE | HEMI OEM Black |
| WATER PUMP INCLUDED | No |
| WIRE HARNESS INCLUDED | No |
Datasheet — not yet published