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Engine Cylinder Head
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Racing Head Service (RHS)
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Accessory Bolt Holes Drilled?: Yes
CNC Ported?: No
CNC-Machined Exhaust Runner?: No
CNC-Machined Intake Runner?: No
Combustion Chamber Volume: 65
Compatible GM LS Engines (RPO Codes): LS1/LS6/LS2/LQ4/LQ9/LM7/LR4/LM4/L33
Cylinder Head Finish: Bare Aluminum
Cylinder Head Material: Aluminum
Emissions : Legal US
Exhaust Port Location: Stock
Exhaust Runner Volume: 75
Exhaust Valve Diameter: 1.55
Exhaust Valve Length: -
Exhaust Valve Material: -
Exhaust Valve Stem Diameter: 8mm
Exhaust Valves Included: No
Flow at 0.100" Valve Lift: N/A
Flow at 0.200" Valve Lift: N/A
Flow at 0.300" Valve Lift: N/A
Flow at 0.400" Valve Lift: N/A
Flow at 0.450" Valve Lift: N/A
Flow at 0.500" Valve Lift: N/A
Flow at 0.550" Valve Lift: N/A
Flow at 0.600" Valve Lift: N/A
Flow at 0.650" Valve Lift: N/A
Flow at 0.700" Valve Lift: N/A
GM Performance OE Number: N/A
Grade Type: -
Head Gaskets Included?: No
Heat Crossover?: N/A
Includes Valve Locks?: No
Includes Valve Spring Retainers?: No
Includes Valve Springs?: No
Intake Port Location: Stock
Intake Port Shape: Cathedral
Intake Runner Volume: 210
Intake Valve Angle: 15
Intake Valve Diameter: 2
Intake Valve Length: -
Intake Valve Material: N/A
Intake Valve Stem Diameter: 8mm
Intake Valves Included: No
Life Cycle Status: Available To Order
Machined for O-Ring?: No
Push Rod Diameter: 16-May
QuoteOnly
Rocker Arm Nut Thread Size: N/A
Rocker Arm Nuts Included: No
Rocker Arm Studs Included?: No
Rocker Arms Included: No
Spark Plug Style: Tapered or Gasketed
Valve Guide Material: Bronze
Valve Guide Outer Diameter: 0.5
Valve Guides Included?: Yes
Valve Seat Machine Style: 3 angle
Valve Seat Material: Powdered Metal
Valve Seats Machined?: Yes
Valve Spring Diameter: N/A
Valve Spring Installed Height: N/A
Valve Spring Maximum Valve Lift: N/A
Valve Spring Open Pressure at Max Lift: N/A
Valve Spring Retainer Material: N/A
Valve Spring Seat Diameter: 1.3
Valve Spring Seat Pressure: N/A
Valve Springs Included?: No
Valve Stem Seal Type: N/A
Valve Stem Seals Included?: N/A
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Pro Action Bare LS1 Cylinder Head
$716.95 USD
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