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6.4L - 426 HEMI Long Block

 Introduced in 2015 with a 392 HEMI the Scat Pack can be an aggressive little beast with the right combination under the hood. Better Built has a 426 HEMI long block package that will make your Scat Pack stand out. This 426 HEMI long block configuration is putting down over 600HP at the crank. Built with a 4340 Forged crank and rod combo along with 2618 forged pistons there is no worry if you want to strap a blower on or shoot some nitrous to it. All of our long blocks come with ARP Head Bolts and Main studs along with Cometic Head Gaskets.  

Block Prep: 
Casting inspection
Sonic Check cylinder walls
Deburr interior surfaces
Chamfer and Radius edges
Deck Head Surface
Cylinder Bore and Hone with Plates
Line Bore and Hone with Plates
Shot Peen Main Caps
Total Block Cleansing


Short Block Assembly:  
Mopar Block 
Manley Performance 4340 Forged Crankshaft 
Manley Performance Forged H-Beam Rods
Manley Performance 2618 Pistons 
ARP Main Studs 
ARP Head Bolts
Clevite H-Series Bearings 


Head Assembly:
Stainless Steel Valves
Conical Beehive Valve Spring .650" lift
Hardened Locators and Retainers w/ Shims
Viton Valve Seals


Camshaft Kit and Timing:
Comp Custom Grind VVT Camshaft
Comp Phase Limiter
Chromoly Pushrods
Non_MDS HD Lifter Set
Mopar Rockers
Mopar Timing Set
Melling Oil Pump


Cubic Inches: 426
Liters: 7.0
Bore Size: 4.090"
Rod Length: 6.125"
Stroke: 4.050"

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