HEMI Machining

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Street HEMI CNC Head Porting Monthly Special

HEMI Machining

FHO heads are machined on our RMC V-50HP 5 axis head porting system. We have digitized our best flowing ports, and offer heads with consistency not possible with hand porting. Our heads feature fully machined combustion chambers and ports, and are offered in multiple head designs.

These max port designs come with enlarged pushrod sleeves installed for added clearance. Optional intake flange machining for Viton O-rings, deleting the troublesome intake gaskets. Includes full radius valve job and assembly to specs.

Hemi Engine Block

HEMI Engine Options

Chrysler 4.50” Siamese Bore Cast Iron
Indy FHO Spec Aluminum with thick sleeves
KB FHO Custom w ½” head studs Note *when in supply*
HP Performance Aluminum with 6 bolt mains
Block Hardware-FHO Stainless
Cam Bearings Durabond PDP 17T Coated
Fuel Pump Pushrod (iron block as required) Custom FHO
Rear Seal-Viton
Rear Seal Retainer- Billet
Crankshaft- 528 Ohio 4.150” Stroke Forged with FHO Mods
540 Ohio 4.250” Stroke Forged with FHO Mods
Optional Callies Magnum Forged (both employ 2.20” journal)
Main Bearings MS1277HG (Wide Thrust) Coated
Rods- 528 FHO 6.86” w ARP L19 Bolt Upgrade
540 FHO 7.100 w ARP L19 Bolt Upgrade
Optional Callies Forged or Billet Rods
Rod Bearing 528 CB527HNDK Coated
540 CB743HNDK Coated 2.20” BBC Journal
Internal Balance
Camshaft- Custom FHO Tight Lash Street Solid Roller.
Optional Cam Profiles available for increased performance depending on application/end use.
Above engineered with high tech lobes that are easy on valve train components. Designed for low spring rates.
Timing Chain – FHO Billet Roller
Cam Button – CompCams
Oil Slinger- Chrysler P5249636
Timing Cover – P4349816AB
Harmonic Damper – ATI917122E 3 Ring
Damper Bolt – ARP145-2503
Pistons – Custom CP Forged. New design. Features revised dome, high tech ring combination. 30hp gain over our previous FHO ring package.
Pins – CP .990” x 2.930” with double spirolox
Rings – Total Seal .043” Tool Steel Top/Napier 2nd