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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
*The heads you receive will be BARE. It will NOT be assembled as in the picture.
SB Chevy AluminumξBARE Pro 1ξCylinder Heads #11720040P
Port Volume: 230cc
Chamber Volume: 64cc
Spark Plug: Angleξ-ξAlso available in straight plug - Just let us know!
Intake Valve:ξξ Machined for 2.08
Exhaust Valve:ξξ Machined for 1.60
Springs: Bare
Full Platinum treatment utilizing wet-flow technology. Independent tests have demonstrated a typical 25 horsepower gain over the previous Pro1 design.
The redesigned chamber features improved fuel distribution, spark plugs are located high and and as close to the center of the chamber as possible and five-angle intake seats shear the liquid fuel and air as it enters the chamber.
The intake face, exhaust face and exhaust ports have been redesigned, valve guide bosses are profiled and casting walls are cleaner and more consistent, resulting in greater control over flow, heat and combustion.
PRO 1 heads can be used with off-the-shelf pistons, valve train components, and intake manifolds, making them an ideal choice for street/strip to all out competition applications.
Chamber shown is to show shape and design. Porting not included.
SHIPS ANYWHERE IN THE LOWER 48 STATES FOR FREE!
CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
CONTACT US - THE PRICE IS NEGOTIABLE - BEST OFFERξξ
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