Rylis Productions
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Prefix Performance Parts


-Gen3 Hemi Aluminum block - Finished bore size 4.125
-Gen3 Hemi Aluminum block stud kit

-Drag Pak intake manifold requires fuel rails and 4 brackets. Tall plenum, 8.5" from head flange to TB flange

-Hemi CASCAR intake manifold. Carb or drilled for EFI, Mid-Rise plenum, 5.9'' from head flange to TB flange.

-Gen 3 Hemi cast aluminum Valve covers are taller than factory, allowing for the use of aftermarket rockers, such as T&D or Jesel and includes extended reach spark plug boots which are REQUIRED for use

-CNC ported Mopar 6.4L Apache cylinder head casting:
Combustion chamber volume 72.4cc
45 degree valve seats
2.140 intake valve size
1.680 exhaust valve size
Sold as a pair
Does not include valve train

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