Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$475.99
RHS 12056 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 64cc/220cc
RHS 12056 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 64cc/220cc

RHS 12056 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 64cc/220cc

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

0 Reviews | 0 Answered Questions
Factory Shipped
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
RHS 12056 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 64cc/220cc
RHS 12056 Small Block Chevy Aluminum Cylinder Head, 23 Deg, 64cc/220cc
Zoomed In Image
We estimate this item will ship on or before December 17th.
Part # 59012056
$475.99
each
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Videos & Articles

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:
64cc
Intake Runner Volume:
220cc
Combustion Chamber Volume Range:
60cc - 69cc
Intake Runner Volume Range:
220cc - 229cc
CNC-Machined Runners:
Yes
CNC-Machined Combustion Chamber:
Yes
Oiling Style:
Through Pushrod
Sold in Quantity:
Each
MFG. Part #:
12056
GTIN Code:
036584199090

Info

  • 220cc Intake Runners & 64cc Chambers

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

  • Single Bare Aluminum Head

  • Straight 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

More Like This

Reviews

Q & A

Videos & Articles

You May Also Like

Suggestions
Error
Note
Ok