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$935.99
RHS 12080 Pro Elite CNC-Ported SBC Aluminum Cylinder Head, 23 Degree
RHS 12080 Pro Elite CNC-Ported SBC Aluminum Cylinder Head, 23 Degree

RHS 12080 Pro Elite CNC-Ported SBC Aluminum Cylinder Head, 23 Degree

Bare Cylinder Head Style, Aluminum, Natural, 60cc - 69cc Combustion Chamber Volume Range

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RHS 12080 Pro Elite CNC-Ported SBC Aluminum Cylinder Head, 23 Degree
RHS 12080 Pro Elite CNC-Ported SBC Aluminum Cylinder Head, 23 Degree
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We estimate this item will ship on or before November 1st.
Part # 59012080
$935.99
each
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for Racing Head Service to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Cylinder Head Style:
Bare
Material Type:
Aluminum
Finish:
Natural
Combustion Chamber Volume:
69cc
Intake Runner Volume:
228cc
Exhaust Runner Volume:
82cc
Combustion Chamber Volume Range:
60cc - 69cc
Intake Runner Volume Range:
220cc - 229cc
Exhaust Runner Volume Range:
80cc - 89cc
CNC-Machined Runners:
Yes
CNC-Machined Combustion Chamber:
Yes
Intake Port Shape:
Rectangle
Intake Port Location:
Standard
Exhaust Port Shape:
Square
Exhaust Port Location:
Standard
Intake Valve Diameter:
2.055"
Intake Valve Angle:
23
Exhaust Valve Diameter:
1.6"
Exhaust Valves Included:
No
Exhaust Valve Angle:
23
Oiling Style:
Through Pushrod
Accessory Bolt Holes Drilled:
Yes
Sold in Quantity:
Each
MFG. Part #:
12080
GTIN Code:
036584230601

Info

RHS now offers a 23Ëš aluminum head for Small Block Chevy applications that is CNC-ported from the factory for precision accuracy and durability. The CNC-ported 228cc intake and 82cc exhaust runners optimize volume, atomization and velocity, while the 69cc combustion chambers are CNC-ported to relieve valve shrouding that occurs in as cast chambers when the edge of a valve is in close proximity to the combustion chamber wall. CNC-machining the combustion chamber also improves the airflow efficiency of the cylinder heads. The 2.055" multi-angle intake and 1.600" radiused exhaust valve seats allow for superior airflow, thereby significantly increasing horsepower. In addition, these 23Ëš SBC heads feature a refined water jacket for better water flow that reduces engine hot spots, while an extra-thick deck allows angle milling and improves head gasket retention in boosted and nitrous applications. RHS has designed a race-winning aluminum head that utilizes the latest in cutting-edge design technology to maximize airflow and boost horsepower in both circle track and drag racing classes.

  • CNC-ported 228cc intake & 82cc exhaust runners

  • 2.055" Multi-angle intake & 1.600" radiused exhaust seats allow for superior airflow for increased horsepower

  • CNC-ported 69cc combustion chamber relieves valve shrouding & improves airflow efficiency when valve is too close to chamber wall

  • Clean Cast Technology delivers superior port-to-chamber transitions for greater airflow efficiency right out of the box

Some parts are not legal for use in California or other states with similar laws/regulations

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