Skip to content

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.

Qty
1

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

Specifications for Edelbrock 46125 Long Block #46125 HEMI Gen III 426, Performer RPM Head, 1-Piece Rear Main
SHIPPING WIDTH36
SHIPPING HEIGHT44.5
SHIPPING LENGTH36.5
SHIPPING WEIGHT413
WARRANTY24 Months
EMISSIONSRacing or Pre-Emissions Use Only
PCDB CATEGORYEngine
COUNTRY OF ORIGINUS
PART TERMINOLOGYEngine Long Block
INSTALLATION INSTRUCTIONScrate_engine-warranty.pdf
ENGINE OIL PUMP INCLUDEDYes
WINDAGE TRAY INCLUDEDYes
GRADE TYPEPerformance
MAIN BEARING CAP BOLT QUANTITY4
FLYWHEEL INCLUDEDNo
COMPRESSION RATIO9.9:1
FLEXPLATE INCLUDEDNo
ENGINE DISPLACEMENT426 CID
CRANKSHAFT MATERIALForged Steel
PISTON STYLEDish
PISTON VALVE RELIEFSYes
ENGINE BLOCK MATERIALIron
OIL PAN INCLUDEDYes
TIMING COVER INCLUDEDYes
HARMONIC BALANCER INCLUDEDYes
INTAKE MANIFOLD INCLUDEDNo
CYLINDER HEAD MATERIALAluminum
ENGINE WATER PUMP INCLUDEDYes
AIR CLEANER TYPENot Included
CALIBRATIONNo
CAMSHAFT TYPE226deg/234deg .619/.612 116 LSA
CARBURETOR CHOKE TYPEN/A
CARBURETOR TYPENot Included
CONSTRUCTION TYPEAssembled
CYLINDER HEAD TYPEPerformer RPM
DISTRIBUTOR INCLUDEDNo
HARDWARE INCLUDEDYes
HORSEPOWERN/A
INTAKE MANIFOLD TYPENot Included
MANIFOLD MATERIALN/A
OIL FILTER INCLUDEDYes
PISTON TYPEForged Aluminum
PLUG WIRE AND BOOT INCLUDEDNo
QUANTITYSold Individually
REAR MAIN SEAL TYPE1-Piece
RGLWARNING: 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 RATIOMopar OEM
ROCKER ARM TYPERoller
SPARK PLUGS INCLUDEDNo
THROTTLE BODY INCLUDEDNo
TORQUEN/A
TYPEHEMI Gen III (Long Block Only)
UNIVERSAL OR SPECIFIC FITSpecific Fit
VALVE COVER INCLUDEDYes
VALVE COVER MATERIALCast Aluminum
VALVE COVER TYPEHEMI OEM Black
WATER PUMP INCLUDEDNo
WIRE HARNESS INCLUDEDNo

Datasheet — not yet published