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RHS Pro Action Big Block Chevy Cylinder Heads 11011-02

Racing Head Service (RHS) 11011-02 - RHS Pro Action Big Block Chevy Cylinder Heads

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Cylinder Head, 24 Degree, Aluminum, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

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Brand: Racing Head Service (RHS)

Manufacturer's Part Number: 11011-02

Part Type: Cylinder Heads

Product Line: RHS Pro Action Big Block Chevy Cylinder Heads

Summit Racing Part Number: RHS-11011-02

UPC: 036584203896

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Intake Port Shape: Rectangular

Intake Valve Diameter (in): 2.250 in.

Cylinder Head Finish: Natural

Combustion Chamber Volume (cc): 119

CNC-Machined Combustion Chamber: No

Intake Runner Volume (cc): 320cc

Exhaust Runner Volume (cc): 135cc

CNC-Machined Intake Runner: No

CNC-Machined Exhaust Runner: No

Intake Port Location: Standard

Exhaust Port Shape: Rectangular

Exhaust Port Location: Raised

Spark Plug Style: Angle

Intake Valves Included: Yes

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in): 1.880 in.

Valve Springs Included: Yes

Maximum Valve Lift (in): 0.600 in.

Outside Diameter of Outer Spring (in): 1.509 in.

Damper Spring Included: Yes

Number of Springs Per Valve: Dual

Retainers Included: Yes

Retainer Material: Steel

Locks Included: Yes

Lock Style: 10 degree

Valve Stem Seals Included: Yes

Rocker Arm Studs Included: Yes

Rocker Arm Nut Thread Size: 7/16-20 in.

Rocker Arms Included: No

Rocker Arm Nuts Included: No

Guideplates Included: Yes

Guideplate Pushrod Size: 3/8 in.

Valve Cover Mounting Style: Perimeter bolt

Accessory Bolt Holes Drilled: Yes

Intake Valve Angle: 24

Exhaust Valve Angle: 15

Valve Guides Included: Yes

Valve Guide Material: Bronze

Valve Seats Machined: Yes

Valve Seat Machine Style: 4-angle intake/3-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.

Notes: Exhaust port raised 0.500 in. from stock.

In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site.

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These Pro Action 24 degree cylinder heads from RHS deliver exceptional out-of-the-box performance gains to all Big Block Chevy owners. Available in both aluminum and cast iron versions, Pro Action heads are a tremendous performer in a variety of applications from street/strip and marine, to pulling truck and drag racing. Regardless of material choice or application, Pro Action Big Block Chevy cylinder heads offer more features, better flow characteristics, and superior "as cast" finished quality – ultimately yielding more HP for your Big Block Chevy! Winning performance, superior engineering and unmatched quality are the foundations of the RHS legacy. Grab a piece of that legacy for your engine with a new set of Pro Action Big Block Chevy cylinder heads.

* Multi-angled intake valve seats
*Radiused 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 use in California or other states with similar laws / regulations

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