426 HELLEPHANT 426 Hemi 1000HP Crate Assembly


1000-horse supercharged 426 HEMI Crate Engine.

The one that started it all is back!

And this time it brought 1000 friends. The “Hellephant” 426 Supercharged HEMI is the first Mopar crate engine to boast 1000 supercharged horsepower, pairing with 950 lb.-ft. of torque to transform they way your rubber meets the road.


Engine Type – GEN III HEMI  V8

Displacement – 426 cu in

Bore – 4.125 in

Stroke – 4.0 in

Block – Cast Iron Block with 4 Bolt Powder Metal Caps

Crank Material – Forged Steel Crank Material

Connecting Rods – 6.125″ H-beam Forged 4340 Steel

Piston Material – Forged Aluminum Piston Material

Camshaft – Nodular Iron Camshaft

Valve/lift duration@ 108 – Int: 15.9766 (0.629″) mm – 286 deg. Exh: 16.0528 (0.632″) mm – 301 deg.

Cylinder Heads – Aluminum, Hemispherical Chamber Cylinder Heads

Intake Valve Size – 54.3 mm

Exhaust Valve Size – 42 mm

Compression Ratio – 9.5:1

Peak RPM – 6200

Recommended Fuel – Premium

*Additional Parts Required: Part no. 77072492 FEAD Basics Kit (Required for Engine operation)

Part no. 77072500 426 Supercharged Crate Hemi® Engine Kit (Required for Installation on pre-1976 vehicles) 1 Not legal on pollution-controlled vehicles or vehicles registered for highway use.

Assembly does not include any electronics.

Freight shipping is to a business and is based and calculated on actual and current rates.

Wire transfer payments are accepted only.NO residential deliveries.

This engine will also require 77072500 PCM and Wiring Kit and all of the Hellcat secondary cooling components to insure this engine runs cool. They are NOT included.


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

You've just added this product to the cart: