This is the ultimate in Naturally Aspirated power for the Iron Block HEMI. This 448 HEMI short block along with the right head and cam package safely tuned on premium fuel will hit 630-650 Crank HP all day long. Looking for more? With a few adjustments and the right fuel 700+ HP is easily achieved. We can custom build any combo. Just give us a call.

Block Prep:
Casting inspection
Sonic Check cylinder walls
Deburr interior surfaces
Chamfer and Radius edges
Cylinder Bore and Hone
Line Bore and Hone
CNC Block Decking
Total Block Cleansing

Assembly Items:
Molnar 4340 Forged Crankshaft
Molnar 4340 Forged H-Beam Rods
Diamond Racing 2618 Forged Pistons
ARP Main Studs
Clevite H-Series Bearings

Specifications:
Cubic Inches: 448
Liters: 7.2
Bore Size: 4.095"
Rod Length: 6.125"
Stroke: 4.25"

2011 - 2018 Dodge Challenger 6.4L
2012 - 2018 Dodge Charger 6.4L
2012 - 2018 Jeep Grand Cherokee SRT
2012 - 2015 Chrysler 300 SRT