Product Summary

283, 305, 350, 383, 400, Assembled Cylinder Head Style

  • Head features a 200cc intake ports that are designed to be used with 64cc combustion chambers
  • It has phosphorous bronze valve guides and high nickel valve seats
  • They come milled and drilled for accessories
  • Specially designed to fit the Chevy small block engine with hydraulic roller cams
  • These aluminum heads have features a straight plug design

Key Specs

MFG. Part #1200-HRSB-505S
Cylinder Head StyleAssembled
Material TypeAluminum
Combustion Chamber Volume64cc

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Flo-Tek 1200-HRSB-505S Details

FLOTEK'S small block 200cc As Cast ported chamber cylinder head, designed by Jones Engineering, with 23 degree runners make impressive horsepower-power ideal for street-strip ready. Right out of the box, these heads deliver exceptional flow numbers. These are available for 305, 307, 327, & 350.

The features for the FLOTEK 200cc include state of the art casting, versatile 200 cc intake ports that are specifically designed for outstanding versatility, 64 cc combustion chamber. These are the most affordable high quality aluminum cylinder heads on the market. The FLOTEK Performance Cylinder Heads series are a line of heads designed by Tri-State Cylinder Head for maximum out-of-the-box horsepower. Standard features are aluminum alloy, phosphorous bronze valve guides, high nickel valve seats, ends milled and drilled for accessories, offered in solid or hydraulic. Great for 383, 350, or 400 Stroker.

FLOTEK inspects each shipment of aluminum heads offered in Straight or Angle assuring the customer that they are receiving the best products for the money. 100% assembled in the USA!

  • Street Build Hydraulic Roller
  • Drilled for accessories
  • Complete head
  • For Small Block Chevy
  • Straight Plug
  • Assembled
  • Sold EACH as a single cylinder head

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Flo-Tek 1200-HRSB-505S Specifications

MFG. Part #1200-HRSB-505S
Cylinder Head StyleAssembled
Material TypeAluminum
Combustion Chamber Volume64cc
Speedway Motors Catalog Part #722-300
Combustion Chamber Volume Range60cc - 69cc
Intake Port ShapeRectangle
Exhaust Port ShapeSquare
Intake Valve Diameter2.02"
Intake Valves IncludedYes
Exhaust Valve Diameter1.6"
Exhaust Valves IncludedYes
Valve Spring IncludedYes
Number of Springs Per ValveDual
Valve Seat MaterialPowdered Metal
Valve Stem Seals IncludedYes
Valve Stem Seal TypePositive Stop
Valve Guides IncludedYes
Valve Guide MaterialBronze
Retainers IncludedYes
Retainer MaterialChromoly Steel
Guideplates IncludedYes
Rocker Arm Studs IncludedYes
Accessory Bolt Holes DrilledYes
Sold in QuantityEach