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Description
Radium Port Injection Kit FK8/FL5/DE5The Radium Engineering Port Injection Kit (PIK) installs between the intake manifold and the cylinder head and permits the use of port injectors to add additional fuel for high horsepower modified K20C1 engines, commonly found in the FK8 Civic Type R. This does NOT replace the OEM direct injection system. The kit includes the PIK adapter plate, custom fuel rail, fuel rail mounting hardware, and OEM Honda gaskets, as shown in the below picture. It is
The Radium Engineering Port Injection Kit (PIK) installs between the intake manifold and the cylinder head and permits the use of port injectors to add additional fuel for high-horsepower modified K20C1 engines, commonly found in the FK8 Civic Type-R. This does NOT replace the OEM direct injection system. The kit includes the PIK adapter plate, custom fuel rail, fuel rail mounting hardware, and OEM Honda gaskets, as shown in the below picture. It is compatible with all fuel types including popular alcohol mixtures such as E85.Β
The fuel rail features a large 0.63" internal diameter bore. It is CNC machined from extruded 6063 aluminum and laser etched for a high quality surface finish. All 4 ports are machined with an 8AN ORB (3/4-16 female) threads. Note that the 2 top fuel rail ports will need to be plugged with 14-0150 unless the plastic OEM wiring harness carrier is modified (see below). For a list of all 8AN ORB adapter fittings, go HERE.Β
Machined phenolic mounting spacers and washers are included to completely isolate the fuel rail from heat created by the cylinder head and transferred through the mounting bolts. The injectors are at a specific angle to ensure proper spray into the intake ports, as shown below.
This kit is designed for specific top feed fuel injectors with upper and lower O-ring spacing, as depicted below. The upper and lower injector O-rings must be 14mm diameter. The included fuel rail mounting brackets permit 2 different height fuel injectors to be used, as shown below.Β
FUEL INJECTOR COMPATIBILITY
Below are some of the many fuel injectors that are a direct fitment when using the upper holes of the mounting brackets (48mm height injectors). If you are unsure about what injectors to purchase, contact your favorite injector manufacturer and provide them the information on this page to find compatible products.
Injector Dynamics ID725-48-14-14
Injector Dynamics ID850-48-14-14
Injector Dynamics ID1000-48-14-14
Injector Dynamics ID1050x-48-14-14
Injector Dynamics ID1300-48-14-14
Injector Dynamics ID1700-48-14-14
Injector Dynamics ID2000-48-14-14Β
Evolved Injection EI550-48-14-14
Evolved Injection EI650-48-14-14
Evolved Injection EI850-48-14-14
Evolved Injection EI1000-48-14-14
Evolved Injection EI1200-48-14-14
Evolved Injection EI1300-48-14-14
Evolved Injection EI2200-48-14-14
Deatschwerks 17U-00-0050-6
Deatschwerks 17U-00-0060-6
Deatschwerks 17U-00-0072-6
Deatschwerks 17U-00-0095-6Β
Deatschwerks 16S-12-2200-6Β
Below are some of the many fuel injectors that are a direct fit when the using the lower holes of the mounting brackets (34mm height injectors):
Injector Dynamics ID850-34-14-14
Injector Dynamics ID1050x-34-14-14
Injector Dynamics ID1300-34-14-14
Injector Dynamics ID1700-34-14-14
Injector Dynamics ID2000-34-14-14Β
Evolved Injection DPI550-38-14-14
Evolved Injection DPI650-38-14-14
Evolved Injection DPI850-38-14-14
Evolved Injection DPI1000-38-14-14
Evolved Injection DPI1200-38-14-14
Evolved Injection DPI1300-38-14-14
Evolved Injection DPI2200-38-14-14
RC Engineering SM2-0310
RC Engineering SM2-0370
RC Engineering SM2-0450
Deatschwerks 16U-00-0042-4
Deatschwerks 16U-00-0050-4
Deatschwerks 16U-00-0065-4
Deatschwerks 16U-00-0090-4
Deatschwerks 16M-00-1500-4
Deatschwerks 16M-00-2200-4
NOTE:Β
1. Fuel injectors, port fittings, fuel hose, wiring, injector controller, etc. are NOT included and must be sourced elsewhere.
2. Because the PIK will space the intake manifold off the head, a custom throttle body pipe will need to be fabricated. Alternatively, 11-0027 Silicone Coupler can be used with OEM throttle body pipe.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4
Good for organization, looks neat!
Color: 2 Tier-Black
I've had this for almost a year now and expect to have it for a few more; seems very durable. The drain board thingy requires consistent cleaning every few days, but its done in less than two minutes. I usually wash the entire thing every two weeks to keep it shiny as well. I am seeing a little bit of rust, but it's not too much and it's not noticeable if you don't look for it. It's great for organization and was easy to assemble. A very sturdy and well-sized product.
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Reviewed in the United States on January 21, 2026
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5
Serves purpose and holds what it was intended to
Color: 2 Tier-Black, Color: 2 Tier-Black
I like it. Keeps things organized and handy in small kitchen. The attachable bin holding my brushes I put on outside of unit not inside as company pics show it. That bin only has one clip to hold it in place. This makes it a little wobbly if you want to place it on the outside like I did. I used 2 trash bag twisties to help tighten it into place. Doing this made it no longer lose and the inside area space larger to hold both of my soaps. Fits everything I need it to. I appreciated the little lever on bottom that moves for water drainage. My sink design doesnβt work for the other drainage design I found these to have online.
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Reviewed in the United States on February 6, 2026
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5
My new kitchen favorite!!! Looks just like picture!
Color: 2 Tier-Black
Love this, looks just like picture. Fits perfect by my sink and the drain spout positions right into sink. Holds quite a few things. A kitchen must have! Well made, stays put, easy to rinse when needed and my room mate loved it too!
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Reviewed in the United States on February 28, 2026
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5
Great sink organizer
Color: 1 Tier-Black, Color: 1 Tier-Black
I've been searching seems like forever for something to make my kitchen sink look more organized and this caddy solves my problem!! I found a different use for the basket that holds a scrub brush since I don't use one of those. Nice design that fits my kitchen objects and no worries about removing a tray to empty water out. I used the adhesive holder to attach it to the wall behind the sink but one corner is peeling off, causing the basket to hand on that side. :( It would have been nice to have a replacement for that, but overall I'm pretty impressed with this thing!!
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Reviewed in the United States on February 19, 2026
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5
looks great in my kitchen
Color: 2 Tier-Black
This goes together easy and works great.
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Reviewed in the United States on May 18, 2026
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