225cc Sbc Strike Force Cnc-ported Alum Heads 78cc Complete Pair For .600" Hr Cam on 2040-parts.com
US $1,699.95
Location:
Franklin, Tennessee, United States
Condition:NewWarranty:Yes
This is the best deal on the Net for new, fully CNC-ported, 23-degree small-block Chevy heads!!!
Hardcore Horsepower's new "Strike Force R-series" small-block Chevy heads have been given the premier CNC porting treatment utilizing the latest machining developments and tested using new "wet-flow" technology. The chambers are 78cc featuring angled plugs for improved combustion, (also available w/ straight plugs; no other chamber sizes are available).
The 225cc fully-CNC-ported intake runners flow over 300cfm with just a 2.055" valve, making these heads produce much more power on small bore engines like 350's and 383's. Plus, because the exhaust port flows 74% of the intake port at lower lift points - which is a great Exhaust-to-Intake flow ratio for power - these heads will work very well on larger cubic inch engines too.
Strike Force R-series CNC heads feature manganese/bronze valve guides, hardened steel valve seats, stainless steel undercut 2.055" x 1.600" 1-peice valves, extra thick deck surfaces for nitrous, boost, or heavy milling, and are drilled on the ends to accept all accessory mounting brackets. They can be used with off-the-shelf 23-degree pistons, valve train components, and intake manifolds, making them the best and most affordable choice for street/strip or all out competition applications.
*Shown unassembled for clarity.
This is for Fully-Assembled, complete pair of cylinder heads including:
1 pair assembled Strike Force R-series23-degree heads (bare heads also available)
Dual-drilled intake manifold flange for standard or Vortec intakes
Angle plugs
Stainless steel undercut 2.055" x 1.600" valves
1.440" hydraulic roller springs for cams up to .600" lift (smaller or larger springs also available for extra cost)
10-degree chrome moly retainers
New 10-degree steel locks & Viton rubber valve seals
Steel spring cups
7/16" screw-in rocker arm studs (3/8" studs also available)
5/16" adjustable pushrod guide plates
Dual-drilled intake bolt pattern
Also available unassembled
Dry Flow Data @ 28" water:
CFM CFM
Lift IntExE/I%
.200 14911174%
.30020415174%
.40025518472%
.50028820370%
.60030021371%
.700308* 218* 71%
Avg.25118072%
This is just a partial listing. Hardcore Horsepower also offers heads to work on all types/sizes of engines with smaller hydraulic or solid tappet cams or with much bigger solid roller cams and hydraulic rollers too. Any head combo can be custom-tailored to fit your needs based on our thousands of dyno files and over 20-years experience testing engines and cylinder heads. From mild-to-wild, we can put together a package to make your ride scream!
We install and tune! Purchase this item and receive in-house
installation, initial set-up, and tuning at Hardcore Horsepower, LLC!
TN residents add 9.25% sales tax.
Hardcore Horsepower,
LLC Warranty:
All products used in Hardcore Horsepower engines are protected against defects
in workmanship and materials by their original manufacturer’s warranties. See
Hardcore Horsepower Store for more warranty details.
We offer Ground shipping to the 48 states. AK, HI, and P.R.
shipping extra.
Feel free to call for more info or to customize your kit
accordingly.
International Shipping may be available
for extra cost. Please provide a shipping address for quote.
Photos shown are
representational only.
Actual item may
differ.
Hardcore Horsepower, LLC
Franklin, TN
615/595-0060
10am-6pm Monday thru Friday
USA Central Time
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