Made to the tightest tolerances in the industry using Clean Cast Technology, this RHS Pro Action LS1 head is a far better alternative to grimey junkyard 243/799 castings. Compatible with factory or premium COMP Cams Valvetrain components.
$860.95
Don’t bother searching through junkyards for 243 or 799 casting heads, the RHS Pro Action LS1 Cylinder Head is a better option. Manufactured from premium materials to the industry’s tightest tolerances, the RHS Pro Action Cathedral Port Head for GM LS1/LS2/LS6 is a far better option. Compatible with stock components along with COMP Cams premium valvetrain components, the RHS Pro Action Head is ready to bolt on, requiring no milling or clean up like junkyard pieces. Available bare, un-assembled for porting projects as well as pre-assembled, the RHS Pro Action LS1 Cathedral PortCylinder Head is a great choice for your next 4.8, 5.3, 5.7, 6.0 and 6.2 GM LS project!
Additional Attributes:
GTIN: 00036584405665
Valve Spring Seat Pressure: N/A
Rocker Arm Studs Included?: No
Rocker Arms Included: No
Spark Plug Style: Tapered or Gasketed
Valve Guide Material: Bronze
Valve Guides Included?: Yes
Valve Guide Outer Diameter: 0.5
Valve Seat Machine Style: 3 angle
Valve Seat Material: Powdered Metal
Valve Seats Machined?: Yes
Valve Spring Seat Diameter: 1.3
Valve Springs Included?: No
Valve Spring Diameter: N/A
Valve Spring Installed Height: N/A
Valve Spring Open Pressure at Max Lift: N/A
Rocker Arm Nut Thread Size: N/A
Valve Spring Retainer Material: N/A
Valve Spring Maximum Valve Lift: N/A
Valve Stem Seal Type: N/A
Valve Stem Seals Included?: N/A
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
Rocker Arm Nuts Included: No
Push Rod Diameter: 16-May
Compatible GM LS Engines (RPO Codes): LS1/LS6/LS2/LQ4/LQ9/LM7/LR4/LM4/L33
Exhaust Valves Included: No
Accessory Bolt Holes Drilled?: Yes
CNC Ported?: No
CNC-Machined Exhaust Runner?: No
CNC-Machined Intake Runner?: No
Combustion Chamber Volume: 65
Cylinder Head Finish: Bare Aluminum
Cylinder Head Material: Aluminum
Exhaust Port Location: Stock
Exhaust Runner Volume: 75
Exhaust Valve Diameter: 1.55
Exhaust Valve Stem Diameter: 8mm
Exhaust Valve Length: –
Exhaust Valve Material: –
Grade Type: –
Machined for O-Ring?: No
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 Stem Diameter: 8mm
Intake Valve Length: –
Intake Valve Material: N/A
Intake Valves Included: No
GM Performance OE Number: N/A
Extened Information:
Emissions : Released
Life Cycle Status: Available To Order
Packaging:
Quantity of Each: 1
Package UOM: EA