Luckey Racing HEMI Express 426 CI Forged Stroker Short Block

Luckey Racing HEMI Express 426ci Forged Stroker Short Block

Base Price: $9,499.99 — Customer-supplied rebuildable 6.2L or 6.4L block required.

The Luckey Racing HEMI Express 426ci is a professionally machined and assembled Gen III HEMI short block for high-horsepower street, drag-and-drive, and competition applications. This combination increases displacement to 426 cubic inches using a forged rotating assembly selected for extreme-duty boosted builds targeting 1,500+ horsepower with the proper supporting components and calibration.

Forged Rotating Assembly:

• 426 HEMI 1,500+ horsepower stroker combination
• Callies Compstar 4.050-inch stroke, 8-counterweight forged crankshaft
• Manley Race Series 6.125-inch H-beam connecting rods
• Custom Mahle 2618 forged stroker pistons
• Heavy-duty .927-inch wrist pins
• .010-inch overbore with a finished 4.100-inch bore
• 426 cubic inches of displacement

Included Machine Work & Assembly:

• Incoming block inspection
• Cleaning & preparation of the customer-supplied block
• Cylinders bored & honed to the required 4.100-inch finished bore
• Rotating assembly professionally balanced
• Premium main & rod bearings
• Piston rings measured, fitted & gapped for the intended application
• Main and rod bearing clearances measured & verified
• Professional short block assembly by Luckey Racing

Application Options:

6.2L Hellcat/BGE For customers supplying a compatible 6.2L Hellcat or BGE-based block.

6.4L SRT/392 For customers supplying a compatible 6.4L SRT or 392-based block.

Please select the correct original engine platform when ordering. Final piston specifications, compression ratio, and clearances will be confirmed according to the cylinder head combination, fuel type, power adder, expected boost, target horsepower, and intended use.

Customer-Supplied Block Requirements: The advertised base price assumes the customer supplies a complete, usable, rebuildable block that passes inspection and can be finished at the listed 4.100-inch bore size. Blocks requiring sleeves, line honing, major deck repair, crack repair, or other corrective machine work will require additional approval and charges. If a usable block is not supplied, a replacement block may be sourced and quoted separately based on availability.

Not Included:

• Cylinder heads or complete long-block assembly
• Camshaft, lifters, timing components, or oiling components
• Engine removal or installation
• Fuel-system components, tuning, or dyno services
• Freight, shipping, taxes, or replacement block cost
• Additional machine work required after inspection

⚠️ Horsepower Disclaimer: The 1,500+ horsepower designation reflects the intended capability of the forged rotating assembly when used with the proper cylinder heads, fasteners, fuel system, power adder, cooling system, engine management, calibration, maintenance, and operating conditions. Actual power capability depends on the complete combination. Horsepower figures are not guaranteed.