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High Boost 15+PSI
Billet I-Beam Rods (add $900)
Billet Main Caps (add $900)
Coated Bearings (add $200)
Diamond Racing Piston w/ Steel Ring (add $300)
Inconel Exhaust Valve Upgrade (add $450)
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Core Purchase (add $3200)
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SRT 6.4L - 392 HEMI Long Block

2011-2019 Challenger SRT

2012-2019 Charger SRT

2012-2014 Chrysler 300SRT

2012-2019 Jeep Grand Cherokee SRT


 Introduced in 2011 with a 392 HEMI the SRT packed 480hp. Better Built has a 392 HEMI long block package that will make your SRT blower ready. This 392 HEMI long block configuration is putting down over 560HP at the crank. Built with a 4340 Forged crank and rod combo along with 2618 forged pistons it is built 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 MLX Head Gaskets.  

3yr/36000 Mile Warranty

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 
Mopar 4340 Forged Crankshaft / Keyed for Damper
Manley Performance H-Beam Rods w/ ARP 2000 Bolts
Manley Performance 2618 Piston / Steel Top Ring
ARP Main Studs
ARP Head Bolts
Clevite H-Series Bearings 

Head Options:
Better Built Valve Train Upgrade
Stainless Intake and Exhaust valves
Conical Beehive Springs .650" Lift
Hardened Retainers and Locators 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
Mopar 6.2L Oil Pump


Cubic Inches: 392
Liters: 6.4
Bore Size: 4.090"
Rod Length: 6.200"
Stroke: 3.72"

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