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RHS Pro Action Small Block Chevrolet Cylinder Heads 12052-01

Racing Head Service (RHS) 12052-01 - RHS Pro Action Small Block Chevrolet Cylinder Heads

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$651.97

Cylinder Head, Pro Action, Aluminum, Assembled, 64cc Chamber, 180cc Intake Runner, Chevy, 302, 327, 350, 400

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  • This part is normally shipped directly from the manufacturer / Supplier.

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Estimated Ship Date: 8/6/2014 (if ordered today) Would you rather pick it up? Select Location

Manufacturer's Part Number: 12052-01
Part Type: Cylinder Heads
Summit Racing Part Number: RHS-12052-01

UPC: 036584203711
Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 64
CNC-Machined Combustion Chamber: No
Intake Runner Volume (cc): 180cc
Exhaust Runner Volume (cc): 74cc
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Intake Port Shape: Rectangular
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Standard
Spark Plug Style: Straight
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.020 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.600 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.560 in.
Outside Diameter of Outer Spring (in): 1.460 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Single
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 3/8-24 in.
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: Yes
Guideplate Pushrod Size: 5/16 in.
Valve Cover Mounting Style: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 23
Exhaust Valve Angle: 23
Valve Guides Included: Yes
Valve Guide Material: Manganese bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 4-angle intake/4-angle exhaust
Valve Seat Material: Steel tungsten alloy
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Pro Action cylinder heads by RHS deliver exceptional performance gains for all small block Chevy owners. They come available in both aluminum and cast iron and in a wide variety of intake runner and combustion chamber volumes. Pro Action small block Chevrolet cylinder heads feature straight or angled spark plug configurations, accept valve spring diameters up to 1.550 in., and work with all popular small block Chevy valvetrain components.

Additional features include:

* Multi-angled intake valve seats
* Radius exhaust valve seats
* Improved valve guide design
* Highly efficient water jacket
* Manganese intake valve guides
* Bronze exhaust valve guides
* Hardened valve seats
* Extra-thick deck faces

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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