AR Big Block Chevy 350cc Aluminum Cylinder Heads

AR Big Block Chevy 350cc Aluminum Cylinder Heads


AR BBC racing aluminum cylinder heads have a 350cc  intake runner, 2.300/1.880 valves sizes and a 119cc combustion chamber. Heads have clean cast intake and exhaust ports that flow very well, and a reinforced valve train area. These heads come with Dart or Manley valves, Comp Cams or Manley Hydraulic Roller Springs, 10° locks, retainers and Comp Cams or Dart adjustable 3/8 guide plates and rocker studs.



  • Fully Machined 350cc Clean Castings Aluminum Heads
  • AwesomeEngines® Rolled Radius 45° Valve Job
  • Intake Ports with a 2.3″ Intake Vale Flow 400cfm @ .800″ Lift
  • Exhaust Ports with a 1.88″ Exhaust Valve Flow 295 cfm @ .800″ Lift
  • Ductile Iron Valve Seats for Unleaded Fuel and Superior Usage
  • Bronze Alloy Fully Machined Valve Guides
  • Utilizes Existing BBC Intake Manifolds
  • Uses Standard BBC Header Pattern
  • Uses Standard BBC Rocker Arms
  • All Stock Hardware Bolts Directly to the Cylinder Heads
  • Increased Deck Thickness to Support Power Adders
  • Accessory Bolt Holes In Stock Location
  • Uses 5 Extra Long Head Bolts Over the Exhaust
  • Machined to 119cc Clean Cast Combustion Chambers
  • All Intake and Exhaust Ports have been Hand Ported after Valve Job
  • Dart or Manley 2.30″ Stainless Steel Intake Valves
  • Dart or Manley 1.88″ Stainless Steel Exhaust Valves
  • All Valve Seats Hand Lapped to Insure Perfect Seal
  • Comp Cams 1.55 Dual Flat Tappet or Hydraulic Roller Springs for 650″ Lift
  • 10° Degree Chrome Moly Steel Retainers
  • Comp Cams 611-16 10° Machined Super Locks
  • U.S. PC Valve Stem Seals Installed (we never leave these off)
  • Comp Cams Hardened Spring Seats or Washers
  • Dart 7/16″ Rocker Studs and Dart Adjustable 3/8″ Guide Plates
  • Hot Washed Blown Dry, Lubed and Final Spring Set to Specifications
  • Professionally Assembled, Packaged and Sealed

Available Upgrades

116cc Combustion Chambers
+ $  100.00
Manley 2.3″ Intake and 1.88 Severe Duty Intake and Exhaust Valves
+ $  295.00
Manley Extreme Duty and Marine Enconel Exhaust Valves
+ $  295.00
Titanium Intake Valves
+ $   795.00
1.64″ Pac or Manley 261424 Double Roller Valve Springs and Titanium Retainers for 850″ Lift Package (requires stud girdle or shaft rockers)
+ $  304.00
1.67″ Pac or Manley 221447 Triple Roller Valve Springs and Titanium Retainers for 850″ Lift Package (requires stud girdle or shaft rockers)
+ $  454.00
Comp Cams Pro Magnum Light Weight Roller Rockers in a 1.7 or 1.8 Ratio Available
+ $  395.00
Jomar Complete Stud Girdle Kit with all Hardware and Adjusting Nuts
+ $  250.00
T&D any Ratio Pro Series Shaft Rocker System
+ $1495.00
Jesel any Ratio Pro Series Shaft Rocker System
+ $1695.00
Fel Pro MLS Head Gaskets (up to 4.640 bore size and .053″ thickness, other sizes available)
+ $  180.00
Manley Specific Fit Head Bolt Kit
+ $   95.00
ARP Specific Fit Pro Series Head Stud Kit with 12 Point Fasteners and Washers
+ $  275.00
ProFiler CNC Match Ported Intake Manifold
+ $  495.00
Jomar Special CNC Ported 1¼ Spacer, Stud, Gaskets that actually makes up to 5hp and 10lbs of torque
+ $  125.00

All Completed Heads Come with Specific Build Sheet, all Part numbers, Spring Rates and Installed Height Settings

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