CNC Cylinder Heads

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  1. 4P Peacemaker CNC Head

    This head powers the World's Fastest All Motor Honda Civic and World's Fastest Honda NHRA Comp Eliminator

    • OVER 425 CFM !! and 15-25 hp over the competition's best
    • Exclusive 4P custom 38.3mm Intake Valve that is lighter than the competition's smaller valves
    • Unique power producing exhaust port design and 4P proprietary valve produces 7-9hp over the competition
    • Slow-cut precision 5-axis cnc porting, second to none on machining quality.
    • Precision CNC valve job using the latest NEWEN Fixed Turning technologyb
    • Full length bronze manganese guide for valve stability.
    • Our intake port has very little turbulence and great velocity when compared to our competitors. You can hear the difference on the bench! 5 years in testing and development with PROVEN back to back results.
    • Our heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.
    Learn More
    $2,350.00

  2. 4P K24Z-R40 CNC Race Cylinder Head PREORDER

    STEP 1:  Pay $300 Preorder (discount expires November 1)
    STEP 2:  Ship head to 4 Piston Racing, 200 Colin Court, Danville Indiana 46122
    STEP 3:  We will send you a paypal invoice for $850 that has the balance.  You can make payments along the way any time you like.  Paypal will track those payments. FINAL PRICE including your $300 deposit + $850 balance = $1150 ($200 discount for preordering)
    STEP 4:  We will finalize development and programming and allow time for others to get their orders in.
    STEP 5:  We will start machining heads December 1, 2019....and they will begin to ship shortly after.  Heads will be machined in the order they were received.
    STEP 6:  You pay your balance before we ship. You can select options below and we will include those on your Paypal invoice.

     

    4P K24Z-R40 CNC Cylinder head will have CNC machined intake ports.  The exhaust is also CNC ported to improve flow.  We will be leaving areas of the exhaust port untouched where they are thin and prone to cracking with high exhaust temperature.  These heads have a lot of water running through the integrated exhaust manifold, so we will be porting the bowl area and exhaust outlet area where we can improve flow the most.  All heads will receive everything below....

    • Jet Wash and Soda Blast
    • Crack check and inspection
    • CNC Porting of Intake and Exhaust ports (CFM is drastically improved!!)
    • Newen CNC single point performance valve job
    • Surface
    • Assembly
    • This pricing is based on you sending your head in for porting and service. If you would like to purchase a core from us rather than send yours in, simply then select that in the options.

    You can select options below and we will include those items on your Paypal invoice.  You can make payments to that invoice during the pre-order wait time.  We do have a new Ferrea spring kit available that has not previously been available to this platform.

    Learn More
    $300.00

  3. 4P Pro 156v2 CNC Head

    Honda K20/K24 (CRV K24A1, Type S K20A2, Type R K20A, RBC, RSP) The NEW Pro 156v2 CNC cylinder head is the ultimate cylinder head for your street car. The original Pro 156 raised the bar and set the standard for entry level street cylinder heads by offering the highest quality in the industry and airflow that surpassed many very expensive race heads. The newest version of this head takes it a step further with improved airflow throughout the entire lift range, top to bottom. We spent countless hours balancing airflow to make sure this port is the best on the market. This head offers 360 CFM on a stock size valve, giving you plenty of flexibility to run a wide range of VTC and simplifying installation for those that don't find themselves pulling the engine out of their car to degree cams and check clearances. You can install the head and enjoy the power. Learn More
    $1,250.00

  4. 4P Pro TSX CNC Head

    Acura TSX (RBB Casting). Perfect for 2.0L K20 Race Engines and Stock Block TSX Engines Learn More
    $1,250.00

  5. 4P Pro 163 CNC Head

    Slow-cut precision 5-axis cnc porting, second to none on machining quality. Utilizes a 4 Piston 50 degree 37mm valve which flows better and weighs 7 grams less per valve than other 37s on the market. Precision CNC valve job using the latest NEWEN Fixed Turning technology. Full length bronze manganese guide for valve stability. Our intake port has very little turbulence and great velocity when compared to our competitors. You can hear the difference on the bench! >Unique power producing exhaust port design.

    V2 Pro 163 Started 11/10/2018 and is 400 CFM and a new intake design. All heads prior to that are V1.

    Learn More
    $1,800.00

  6. 4P Super99 CNC Cylinder Head

    Designed specifically for 2.5L to 2.7L drag race engines, serious max effort DRAG RACE ONLY!

    Over 425whp Capable on stock stroke!

    • OGS All Motor World Record - Matt Monday - 9.44@ 143 mph
    • The last 4 HDAY All Motor Titles have been won by Super99 powered race cars.
    • WCF 2019 M1 power was dominated by Super99 power...the ONLY 4 cars in the 9.4s were all powered by 4P Cylinder Heads
    • Fits PRB, PPA, and PPL Cylinder Head Castings.
    Learn More

    $2,250.00

    $1,950.00

  7. 4P Outlaw V2 B16 CNC Head

    New for 2019 - Outlaw V2 - More CFM, More Horsepower

    4P CNC heads make significantly more power, AND last up to 3 times longer than the competition. That is what our cylinder head program is all about...pumping out the biggest horsepower, keeping it responsive, and doing so with increased longevity. With a high power turbo car, your biggest battle is dealing with extreme exhaust temperatures. Our heads have design features that pull heat away from the valve and improve reliability on the street and race track.

    4P Cylinder Heads hold more world records than all others combined.  SFWD World Record at 1400hp, Outlaw FWD World Record at 2000hp, and ALL 7 second SFWD passes have been made on 4P CNC Cylinder heads.

    Learn More
    $1,250.00

  8. MOAB GSR CNC Head

    The new MOAB GSR is the ultimate B-Series racing CNC cylinder head. It moves 320 cfm through a 34mm intake valve and flow is improved through the entire lift range from top to bottom. This head is ideal for large all motor engines looking to make maximum power and for high horsepower turbo cars wanting to push beyond what our world record holding Outlaw ports have achieved. 4P Cylinder Heads hold more world records than all others combined. Learn More
    $1,450.00

  9. 4P Outlaw V2 GSR CNC Head

    New for 2019 - Outlaw V2 - More CFM, More Horsepower

    4P CNC heads make significantly more power, AND last up to 3 times longer than the competition. That is what our cylinder head program is all about...pumping out the biggest horsepower, keeping it responsive, and doing so with increased longevity. With a high power turbo car, your biggest battle is dealing with extreme exhaust temperatures. Our heads have design features that pull heat away from the valve and improve reliability on the street and race track.

    4P Cylinder Heads hold more world records than all others combined. SFWD World Record at 1400hp, Outlaw FWD World Record at 2000hp, and ALL 7 second SFWD passes have been made on 4P CNC Cylinder Heads.

    Learn More
    $1,250.00

  10. 4P Pro S2K CNC Head

    Honda F20C, F22C S2000 CNC Ported Cylinder Heads Learn More
    $1,450.00

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