{
  "product": {
    "mpn": "184-41-04-11",
    "manufacturer": "Profiler Performance Products",
    "brand": "Profiler Performance Products",
    "title": "Profiler Performance Products 184-41-04-11 Pro-Filer Performance Products Hitman Big Block Chevy Spread Port Cylinder Heads | Summit Racing",
    "description": "",
    "attributes": {
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      "Manufacturer name": "Profiler Performance Products",
      "Manufacturer": "Profiler Performance Products",
      "Attribute00": "Profiler Performance Products",
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      "Attribute02": "Cylinder Heads",
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      "Attribute04": "PFH-184-41-04-11",
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      "Attribute06": "415cc",
      "Attribute07": "Assembled",
      "Attribute08": "Aluminum",
      "Attribute09": "Oval",
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      "Attribute11": "No",
      "Attribute12": "No",
      "Attribute13": "No",
      "Attribute14": "Heart",
      "Attribute15": "Raised",
      "Attribute16": "Round",
      "Attribute17": "Raised",
      "Attribute18": "Angle",
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      "Attribute20": "Yes",
      "Attribute21": "1.880 in.",
      "Attribute22": "Yes",
      "Attribute23": "0.850 in.",
      "Attribute24": "Solid roller",
      "Attribute25": "1.650 in.",
      "Attribute26": "No",
      "Attribute27": "Triple",
      "Attribute28": "Yes",
      "Attribute29": "Titanium",
      "Attribute30": "Yes",
      "Attribute31": "10 degree",
      "Attribute32": "Yes",
      "Attribute33": "Positive stop",
      "Attribute34": "No",
      "Attribute35": "No",
      "Attribute36": "No",
      "Attribute37": "No",
      "Attribute38": "Perimeter bolt",
      "Attribute39": "No",
      "Attribute40": "12",
      "Attribute41": "15",
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      "Attribute43": "Manganese bronze",
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      "Attribute46": "Copper",
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      "Attribute48": "No",
      "Attribute49": "Through pushrod",
      "Attribute50": "No",
      "Attribute51": "No",
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      "AttributeKey03": "Product Line",
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      "AttributeKey12": "CNC-Machined Intake Runner",
      "AttributeKey13": "CNC-Machined Exhaust Runner",
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      "AttributeKey17": "Exhaust Port Location",
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      "AttributeKey22": "Valve Springs Included",
      "AttributeKey23": "Maximum Valve Lift (in.)",
      "AttributeKey24": "Camshaft Style",
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      "AttributeKey26": "Damper Spring Included",
      "AttributeKey27": "Number of Springs Per Valve",
      "AttributeKey28": "Retainers Included",
      "AttributeKey29": "Retainer Material",
      "AttributeKey30": "Locks Included",
      "AttributeKey31": "Lock Style",
      "AttributeKey32": "Valve Stem Seals Included",
      "AttributeKey33": "Valve Stem Seal Style",
      "AttributeKey34": "Rocker Arm Studs Included",
      "AttributeKey35": "Rocker Arms Included",
      "AttributeKey36": "Rocker Arm Nuts Included",
      "AttributeKey37": "Guideplates Included",
      "AttributeKey38": "Valve Cover Mounting Style",
      "AttributeKey39": "Accessory Bolt Holes Drilled",
      "AttributeKey40": "Intake Valve Angle",
      "AttributeKey41": "Exhaust Valve Angle",
      "AttributeKey42": "Valve Guides Included",
      "AttributeKey43": "Valve Guide Material",
      "AttributeKey44": "Valve Seats Machined",
      "AttributeKey45": "Valve Seat Machine Style",
      "AttributeKey46": "Valve Seat Material",
      "AttributeKey47": "Cylinder Head Color",
      "AttributeKey48": "Steam Holes Drilled",
      "AttributeKey49": "Oiling Style",
      "AttributeKey50": "Machined for O-Ring",
      "AttributeKey51": "Heat Crossover",
      "AttributeKey52": "Quantity",
      "AttributeKey53": "Notes",
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      "qtyInStock": "Jun 26, 2023",
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      "width_Attrib": "Intake Valve Diameter (in.)"
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      "generated_date": "2025-12-07",
      "last_updated": "2025-12-07",
      "data_sources": [
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      "version": "1.0"
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}