Product Summary

348, 409, Assembled Cylinder Head Style, Aluminum

  • This is one cylinder head

Key Specs

MFG. Part #60815
Cylinder Head StyleAssembled
Material TypeAluminum
Intake Runner Volume220cc

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Direct bolt-on heads for Big Block Chevy 348/409 Stock and Super Stock racers. No port profiling or bowl blending of ports.
  • Out-of-the-Box Bolt-On Performance
  • Hand-Blended Intake and Exhaust Bowls
  • CNC-Matched Intake/Exhaust Ports in Std Location
  • Thicker Deck Surfaces than Other Brands


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.


MFG. Part #60815
Cylinder Head StyleAssembled
Material TypeAluminum
Intake Runner Volume220cc
Exhaust Runner Volume115cc
Intake Runner Volume Range220cc - 229cc
Exhaust Runner Volume Range110cc - 119cc
CNC-Machined RunnersNo
CNC-Machined Combustion ChamberNo
Intake Port ShapeRectangle
Intake Port LocationStandard
Exhaust Port ShapeRound
Exhaust Port LocationStandard
Intake Valve Diameter2.190"
Intake Valves IncludedYes
Exhaust Valve Diameter1.720"
Exhaust Valves IncludedYes
Valve Spring IncludedYes
Spring Diameter1.540"
Damper Spring IncludedYes
Number of Springs Per ValveDual
Maximum Lift0.700"
Machined for O-RingNo
Valve Seat Machine Style3-angle
Valve Seats MachinedYes
Valve Seat MaterialDuctile Iron
Valve Stem Seals IncludedYes
Valve Stem Seal TypePositive Stop
Valve Guides IncludedYes
Valve Guide MaterialManganese Bronze
Locks IncludedYes
Lock Style7 Degree
Retainers IncludedYes
Retainer MaterialSteel
Guideplates IncludedYes
Guideplate Pushrod Size0.375"
Rocker Arms IncludedNo
Rocker Arm Studs IncludedYes
Rocker Arm Nuts IncludedNo
Oiling StyleThrough Pushrod
Heat CrossoverNo
Steam Holes DrilledNo
Accessory Bolt Holes DrilledYes
Valve Cover Mounting StylePerimeter Bolt
NotesUses 14mm spark plugs with 3/4" reach, and flat gasket seals
Sold in QuantityEach
GTIN Code085347608157