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  • Flo-Tek 102505 Assembled S/B Chevy Aluminum Heads, Straight Plug
    Flo-Tek 102505 Assembled S/B Chevy Aluminum Heads, Straight Plug
    x
                

    You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides, multi angle valve job, and 3/8" screw-in rocker studs with guideplates. These are a pre-1986 design small block Chevy cylinder head with a standard exhaust port design.

    Heads are sold each.

    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • 2.02" and 1.60" stainless steel valves
    • High performance springs for .550" lift
    • Compatible with most flat tappet camshafts
    • Five angle valve job
    • Bronze guides
    • Straight plug
    • 3/8" screw-in studs and guide plates
    • Port for temperature probe
    • Works well with most flat tappet street cams

    Flow Numbers:

    • Valve Lift     .400"     .500"     .600"
    • Intake           206       237       244   
    • Exhaust        165       177       187
  • Flo-Tek 203505 Small Block Ford Aluminum Engine Heads
    Flo-Tek 203505 Small Block Ford Aluminum Engine Heads
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    You don't need to spend a fortune to get a set of top-performing, lightweight aluminum cylinder heads for your small-block Ford V8. These Flo-Tek heads have a long list of high-end features, minus the hefty price tag. Sold as complete assemblies only.

    • 180cc intake runners
    • 62cc exhaust runners
    • 1.94" intake and 1.54" swirl-polished exhaust valves
    • 58cc chambers
    • Performance valve springs (.550 lift)
    • 115 lbs. spring seat pressure
    • Compatible with most flat tappet camshafts
    • Hardened locks and retainers
    • PC seals
    • High-temp exhaust seats
    • Multi angle valve job
    • Bronze guides
    • 3/8" rocker studs and guide plates

    See how these Flo-Tek heads stack up against the competition in Car Craft Magazine's tech article; 6 Small Block Ford Cylinder Heads That Work.

    Head Flow Specs:

    Lift        Intake        Exhaust
    .400      209          137
    .500      223          161
    .600      248          191

  • Flo-Tek 101500 Bare Small Block Chevy Aluminum Heads, Angle Plug
    Flo-Tek 101500 Bare Small Block Chevy Aluminum Heads, Angle Plug
    x
                

    You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides and a multi angle valve job. These are a pre-1986 design small block Chevy cylinder head. Sold each.

    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • Machined for 3/8" screw-in studs
    • Machined for 2.02"/1.60" valves
    • Ready for assembly
  • Flo-Tek 102500 Bare Small Block Chevy Aluminum Heads, Straight Plug
    Flo-Tek 102500 Bare Small Block Chevy Aluminum Heads, Straight Plug
    x
                

    You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides and a multi angle valve job. These are a pre-1986 design small block Chevy cylinder head. Sold each.

    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • Machined for 3/8" screw-in studs
    • Machined for 2.02"/1.60" valves
    • Ready for assembly
  • Flo-Tek 101505 Assembled Small Block Chevy Aluminum Heads, Angle Plug
    Flo-Tek 101505 Assembled Small Block Chevy Aluminum Heads, Angle Plug
    x
                

    You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides, Multi angle valve job, and 3/8" screw-in rocker studs with guideplates. These are a pre-1986 design small block Chevy cylinder head.

    Heads are sold each.

    • 180cc intake runners
    • 62cc exhaust runners
    • 64cc combustion chambers
    • 2.02" and 1.60" stainless steel valves
    • High performance springs for .550" lift
    • Compatible with most flat tappet camshafts
    • Multi angle valve job
    • Bronze guides
    • 3/8" screw-in studs and guide plates
  • Flo-Tek 408-500 Big Block Chevy Aluminum Cylinder Head, 360cc, Bare
    Flo-Tek 408-500 Big Block Chevy Aluminum Cylinder Head, 360cc, Bare
    x
                
    •  2.250” intake valve, 1.880” exhaust
    • 360cc intake runners 
    • 128cc exhaust runners
    • 121cc chambers
    • PC seals
    • High temp exhaust seats
    • Manganese bronze intake guides
    • Phosphor bronze exhaust guides
    • Multi angle valve job
    • Angle plugs
    • Sold individually
  • Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
    Flo-Tek 305-505 Big Block Chevy Complete Aluminum Cylinder Head, 320cc
    x
                
    • Stainless swirl polished valves  
    • 2.250” intake valve, 1.880” exhaust
    • 320cc intake runners 
    • 128cc exhaust runners
    • 121cc chambers
    • High performance springs (.600 lift hyd flat tappet)
    • PC seals
    • Hardened locks and retainers
    • 7/16” screw-in studs and guideplates
    • High temp exhaust seats
    • Manganese bronze intake guides
    • Phosphor bronze exhaust guides
    • Multi angle valve job
    • Angle plugs
    • Sold individually
  • Flo-Tek 306-500 Big Block Chevy Aluminum Cylinder Head, 320cc, Bare
    Flo-Tek 306-500 Big Block Chevy Aluminum Cylinder Head, 320cc, Bare
    x
                
    • 2.250” intake valve, 1.880” exhaust
    • 320cc intake runners
    • 128cc exhaust runners
    • 121cc chambers
    • PC seals
    • High temp exhaust seats
    • Manganese bronze intake guides
    • Phosphor bronze exhaust guides
    • Multi angle valve job
    • Angle plugs
    • Sold individually
  • Flo-Tek 407-505 Big Block Chevy Complete Aluminum Cylinder Head, 360cc
    Flo-Tek 407-505 Big Block Chevy Complete Aluminum Cylinder Head, 360cc
    x
                
    • Stainless swirl polished valves  
    • 2.250” intake valve, 1.880” exhaust
    • 360cc intake runners 
    • 128cc exhaust runners
    • 121cc chambers
    • High performance springs (.600 lift hyd flat tappet)
    • PC seals
    • Hardened locks and retainers
    • 7/16” screw-in studs and guideplates
    • High temp exhaust seats
    • Manganese bronze intake guides
    • Phosphor bronze exhaust guides
    • Multi angle valve job
    • Angle plugs
    • Sold individually