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Street Race Truck More... The Toolbox
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$458.99
RHS 12042 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 72cc/180cc
RHS 12042 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 72cc/180cc

RHS 12042 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 72cc/180cc

Bare Cylinder Head Style, Aluminum, Natural, 70cc - 79cc Combustion Chamber Volume Range

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RHS 12042 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 72cc/180cc
RHS 12042 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 72cc/180cc
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We estimate this item will ship on or before August 27th.
Part # 59012042
$458.99
each
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 3 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:
72cc
Intake Runner Volume:
180cc
Combustion Chamber Volume Range:
70cc - 79cc
Intake Runner Volume Range:
180cc - 189cc
Oiling Style:
Through Pushrod
Sold in Quantity:
Each
MFG. Part #:
12042
GTIN Code:
036584198987

Info

  • 180cc Intake Runners & 72cc Chambers

  • 2.020" IN. & 1.600" EX. Valve Sizes

  • Single Bare Aluminum Head

  • Angled Spark Plug Holes

Pro Action Small Block Chevy Aluminum Heads

These heads deliver significant gains in both power and torque for all Small Block Chevrolet applications - right out of the box. Pro Action SBC Aluminum Heads are the perfect choice for a variety of performance engines, including street rod, muscle car, oval track and drag racing applications. Standard features include a multi-angle Serdi valve job, cast aluminium construction, multi-angle intake and radiused exhaust valve seats for up to 5% more airflow than the competition. Advanced port/runner/chamber design and modified water jackets for optimal performance & added reliability.  Valve springs up to 1.550" and all standard rocker arms and valve train components are accepted.

  • Advanced port/runner/chamber design & modified water jacket for improved durability, optimal performance & added reliability

  • Standard features include multi-angle intake & radiused exhaust valve seats for up to 5% more flow than the competition

  • Offered w/ 180cc, 200cc, 220cc & 235cc intake runners w/ 64cc or 72cc combustion chambers to fit your exact needs

  • Bare or fully assembled w/ premium COMP Cams components

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

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