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6.4L - 448 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 448 HEMI long block package that will make your Scat Pack stand out. This 448 HEMI long block configuration can put down over 640HP at the crank with supporting mods. 11:1 compression makes this engine pump gas friendly. The massive stroke and camshaft profile allow for the lope to give you that old school sound. The perfect daily driver and weekend strip car.    

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 
Molnar Technologies 4340 Forged Crankshaft 
Molnar Technologies Forged H-Beam Rods
Diamond Racing 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: 448
Liters: 7.2
Bore Size: 4.090"
Rod Length: 6.125"
Stroke: 4.250"

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