Ported rbb head

Ported rbb head. org . kpoweref8. 00 USD. This head Averaged about 11 more CFM or about 7. If you do swap heads, I'd buy your RSP off you if you're interested. before stock RBB head with stock valves (+1mm oem intake) after RSP with Ferrea 6000 (std size) valves. We also did try a CAI and made the exact same power, but our rev speed was actually slower. 4P Race Port Design: Pro TSX, Pro 156, Pro 163, Super99, Peacemaker, Reaper. 68840 Views 64 Replies 20 Participants Last post by AWOC, Dec 5, 2015 Jump to Latest A. To fit K20A engines modification needed in the cooling hoses. Apr 1, 1999 · The numbers we've shown with each head include the port and chamber volumes, valve sizes, and intake and exhaust flow at various valve lifts. . Haven't flowed an RSP head so I can't comment on that one. 2-3 being mixed in with 06-08 K24A2's (1mm bigger intake valve, better intake cam, bigger plenum & tb, etc). Availability: Out Of Stock. Jun 10, 2013 · The much less ported manifold make substantial TQ (11+) all the way through the power band over RRC and RBC, and was only down 5-6 HP from the stock RRC. Sep 27, 2010 · 121 posts · Joined 2010. Cylinder head porting is a fairly simple premise – increase airflow into the combustion chamber to make more power. Oct 13, 2013 · Way beyond that what is advertised. The NEW Pro 156v2 CNC cylinder head is the ultimate cylinder head for your street car. 4L and the fastest on the trackthen higher flowing heads like the 163 will walk all over that head. I find the head year stamp more reliable Mar 26, 2013 · the ported RBB made about 10whp over stock. 99. Even though the K24A2 does not rev as high, it still can utilize the RBC mani, this is due to the speed and volume of the airmass, ie 25% more volume at any given RPM and a much higher piston speed allows it to function. I won't be up to his machine shop for a week or so probably, but, I'll try to remember to ask him details about it next time I see him. Just wanted to give you guys a heads up before I ebay this thing. and i believe the a2 has a prb. Jan 26, 2021 · The advantage of the RBB head is the smaller cross section of the intake port, which improves both, scavenging phase efficiency and tumble number level. Apr 14, 2009 · RBC Manifold vs RRC Manifold - K20A. Now I was looking at a couple options. Powered by. This is a DIGITAL DOWNLOAD to lock in your entry for the JBRE K1000 giveaway. 650". 2L. Description. I also have a RRC IM and J37, I just wish I had your head and my goal is 260whp+ on stock block/ RBB head with cams. Sep 12, 2017 · Gained about 5hp from stock and about 2. Options. Description: Pontiac 1967-79 400-455 72cc Edelbrock Round Port Heads, Ported to 315+CFM, Same as our 325CNC but with 2. 5 inch Ktuned muffler 225HP 180TQ Stock VTC cam 25 degrees only #southboysgarage #samboautosport @feather_light_88crx Ported RBB cylinder Head, Ready for All the BOOST! #supertechperformance #handported #rbb #kseriesonly #elmonteheadrepair #jsrengines Feb 16, 2015 · rsp-2 head flows the best @ 305 at . org Forum. com. As with any engine family, there are changes from one variant to another. The port design has netted a 30HP increase on stock-size NA applications, and a +100HP increase on mild boost engines. This is a Complete Set of 4 brand new Pistons and NPR Rings**. Originally installed on many '69-'70 Sep 8, 2023 · Cylinder head porting is an advanced area of car tuning, so we take a closer look at the sure-fire way to improve an engine’s performance potential. Subscribe to discount notifications. Mar 6, 2013 · Agreed I have seen 20whp gains with just a head sawp (k20a. Apparently the RBB port he does moves a lot of air at a very high velocity. And one more thing regarding revving the K24 to 9k. Mar 23, 2019 · Honda K24: Cylinder Head. HP gains are consistent and hold throughout the rpm range. Aug 23, 2009 · RBC vs. While the Honda K24 is pretty consistent across all models, there are a few major changes in the cylinder heads. Dec 21, 2015 · By no means would I call the RBB a trash manifold, and ACC your comparing a higher revving, higher flow, lower displacement motor to one with more stroke and smaller head ports. 4l K24a2 Rbb-2 Complete Cylinder Head OEM at the best online prices at eBay! Free shipping for many products! May 6, 2016 · The intake port of Pro 156 CNC head has about +8 % bigger cross section at entry over the OEM RSP intake port, which isn't to bad to adapte the 20 % higher engine speed. 450-550 lift area. Mar 14, 2011 · The K20A2 (PRB) head is better than the TSX or K20z3 (SI) heads for porting. And over break Tom will be throwing a CRF ignition and lightened flywheel as well as a few other goodies. I am sure you can do it with the RRC, once again, with the right setup. Add to cart. might be a long shot, but check your spool valve. 0 motors. The K Series Source . However, making it actually happen requires a bit of work. RRC vs. 0L version Endyn Ported RBB (modified to fit a k20a/a2 head) $650+ shipping for the 2. The TSX port is the smallest of the 4Piston port, you can fit it only into to RBB port or in Endyn's cylinder head cast they bought finally from Larry and adapted it to that head. Round, oval and rectangular. 00 with. Jul 27, 2011 · endyne ported rbb -. Brand: Jntuned. 8T. Otherwise you have a good list of parts. Buy The Drag Cartel head that is already ported. There can be bigger differences in the midrange Nov 10, 2012 · So I am starting my k20/K24 build and I was going to reuse my head from my z3 with my K24a2 block but I decided to I bigger and will be buying a head to build and match the motor. 49 posts · Joined 2009. Putting some serious gains in the . Disguise Port on Weiand Speed Warrior #8150. Step 2: Start with a reading on the manometer, with the plate completely blocked off for a “zero flow” depression test, and note the pressure drop seen on the manometer. Jul 2, 2005 · 890 Posts. 2) Clean up casting imperfections (plenum and runners) 3) Match the two halfs. 5 bottom end with a 4 piston Pro 156v2 head and Ferrera Valves and valve springs. 631-816-4911. I have a RBC with Q45 Throttle body on a stock K20A2 with 4in intake + Velocity stack, Replica header and 3in exhaust tuned on 93oct it dynoed 238hp and 168tq. Ported Honda RBB head and RRC intake manifold. There is still a increase in mean air speed of about 10 % with the Pro 156 head at 10 krpm over the stock 8 krpm with the RSP head. These heads were. 300 lift. I did not pour the port. a z2 has RBB. prb cylinder head Oem k20 and k24 headgaskets available. The engine will never see over 8000rpm and I will probably set the redline to about 7700 once the cams are in. Mar 21, 2017 · S2U2 Motor was an RBB head ported by a friend of a friend who does mostly domestic circle track stuff. Feb 23, 2017 · Ported Honda RBB head and RRC intake manifold. Jun 30, 2011 · In this case, these heads should support 750 crank hp with a . It wasn't any surprise that the original TSX head flowed so little, the port throat is roughly . lift camshaft and the appropriate supporting mods. 570 posts · Joined 2004. The head stamping you’ll find on a K20 varies depending on where it is from (US/JDM/EDM) or chassis. But as far as raw flow (not the port and runner shaping which changes flow characteristics, just the raw cfm data) an RBC and RRC are nearly identical when port matched and the iacv spot is shaved down and sealed in the RBC. 4574 posts · Joined 2008. Tighten lightly with the link facing upward. 1204 radius. I wonder why honda made the change if it effectively Attention is on the dark brown and lime green power curves (two highest shown). If your goal is to have the most power you can get from a 2. 4L version Endyn Ported RBB (still has water neck to fit k24a2 & k20z3 heads) all work was done by Larry @ Endyn. Here's another dyno test where a RSP head was tested, which flows about 20 CFM more than the RBB: The list can go on, here's some threads with good information and discussion: Jul 21, 2011 · FS: Endyn Ported TSX RBB intake manifolds 2. Thanks Charlie. Gained 19whp up top! fyi we were able to eliminate the tq dip from 5000-5700 with a stepped intake w/velocity stack. Sep 24, 2008 · My brother-in-law just ported a 12V head that they cut the intake portion off and ported the intake side that way. Apr 25, 2007 · The RBB is a 2 piece, long runner manifold found on the TSX. 9% gain throughout the entire lift range. these are on a k20 but I have a feeling that intake would be magic May 31, 2011 · RBCs are great for HIGH HP setups where you are looking for peak HP. 94-/1. org). 5 from the non ported 06+ RBB setup. 0-2. Servedio Cylinder Head Development. The combination will net much-needed boost in mid-range torque, as well as higher power up top. onyxeros. #11 · Mar 5, 2013. It is kinda strange looking at the RBB head vs the RBC head. 5:1 stock bore, rcrew header, 3" exhaust, 70mm TB, IPS K2 iron core cams. 00. Like. E85 RR3 Motor is the 4 piston Long rod 2. Find many great new & used options and get the best deals for 04-08 Acura TSX 2. The RBC is the shorter, 1 piece manifold found on the Euro Accord Type R and 06+ Civic SI. 5k-7k without a pretty short runner manifold(see childstars build on k20a). Stay tuned! Cylinder Head Casting: 4P PRB, 4P RBC/RSP, 4P RBB, 4P R40 4 Port. The 1mm bigger intake valves doesn't provide any performance gains either. 4L K24A CAST# RBB Complete Cylinder Head 2004-2008 (CORE RETURN REQUIRED): Cylinder Heads - Amazon. Grab the shorter 28mm Genuine Honda flange bolt and adapter and install the bolt into the lower bolt hole. 60. by Carnut1 » Wed Feb 10, 2016 4:41 pm. in motors. So you’d see a PRB, RBC, RSP, and so on, but not The RBB K24A in it's original state does not plug and play into the 8th gen Civic Si chassis, it requires using certain parts from the K20Z3 engine for a plug and play conversion. 350,00. A ported k24 head will probably surpass a stock k20a2 head under 8000rpm. From $166. using these ported Apache heads over our ported 6. allmotor98 Discussion starter Find many great new & used options and get the best deals for PORTED 2008 Acura TSX K24A2 cylinder head Complete RBB-3 OEM K24 04 To 08 at the best online prices at eBay! Free shipping for many products! Jan 15, 2015 · Position the Helgesen plate on the bench with all holes plugged with clay (or any convenient plugs). i have tried searching and reading and i keep getting mixed answers (or maybe its me). centriik. Jul 1, 2005 · The larger Mopar Performance Magnum R/T (200 cc) or new Edelbrock RPM heads (186 cc) offer a greatly advantaged design to start with, and the potential is hard to ignore when contemplating $1,000 GIVEAWAY JBRE K1000. Jun 7, 2005 · Honda Canada sent me a pre production '06 TSX head and it flowed slightly better than the PRB head (+1. com CNC ported heads are unmatched in performance and endurance. SKU: N/A Categories: Cylinder Heads, K-Series. Nov 13, 2020 · Greg Jones is Content Director and Editor of Engine Builder Magazine. Again, that was on an internally stock K20a-R, and that was a much less ported manifold. The port does will fit to your 8Xx99 engine below 8000 rpm, above 7500 rpm I would see an 4P156 V2 much better working. I've got a RRC that has been bored for a 74mm TB, will be getting that flowed in the next few weeks to see if it will flow enough for my head (350 The Sprint head is a bolt-on for OE shortblocks, and utilizes stock valve sizes (36. I was wondering if the RBC intake manifold is a good mod for increased power. A good ported RBC will flow 360-370. Jan 17, 2010 · tsxjimIV Discussion starter. #4 · Nov 2, 2007. The original Pro 156 raised the bar and set the standard for entry level Sep 9, 2013 · Its designed more for a smaller engine like 2. Discount for bulk purchasing. Thread the bolt into the cylinder head until it is hand tight. 2hp +11tq the Endyne ported RBB makes some serious mid range torque gains over all of the manifolds. build the k24 bottom and stockpile all the parts needed to switch. Apr 19, 2014 · 11043 posts · Joined 2008. #2 · Sep 28, 2010. Honda / Acura K20a k24a Engine Forum. tested on a 1020 bench and when tested on a 600 bench, we saw another 30cfm. Exhaust ports are matched to a ported manifold which is also available. I'm not sure if the figure you state is correct and i-vtec only controls intake valves if I'm recalling the correct info I thought I read. Wilson Manifolds specializes in intake manifolds, and one of the main services we offer is our intake manifold porting service. 1 heads. Since TQ is the measure of volumetric efficiency of an engine, I guess I proved that the overall the intake flows better from the non ported version. Jan 30, 2021 · Ported RBB intake manifold has been shipped!!! **I am no longer offering any intake manifold porting. But those cams are very Jun 19, 2017 · If so, RBB is definitely a good sign of being a CL9 engine. Rpm's would be the "gain" factor. 5% average). The RBB looks huge in comparison but dosent flow as good up top. 100" smaller than the PRP/PPA. Fast World Wide Shipping Services Standard shipping applies to this item within the continental United States. We decided to use the RBB cylinder head as they are widely available and come with extra material from factory which gives us lots of options when porting. #2 · Sep 12, 2015. Nippon Racing Part# 13010-RL5-A10 K24Z3 TSX RL5 Floating Piston and Ring set. Doesn't the k24a2(06_08) head also have intake only vtec? Feb 24, 2013 · SickSilver_ep3. 2006 TSX 64mm throttle body. General K-series related talk I finally received my stage 3 ported cylinder heads from Livernois and in this video we go over: what is porting, why it makes a difference, and what kind of ICONIC RBB K24 CNC PORTED CYLINDER HEAD WITH BRONZE VALVE GUIDES - www. So, we with all the talk over the release of Skunk2's intake manifold along with our ported RRC intake manifold lying around, we decided to test them against the proven almighty RBC. shouldnt be down for more than 1-2 days if you have everything ready. With proper porting and a proper valve job you could possibly pick up some flow in some areas to make a larger intake valve worth while. I came across an early RBB head on eBay at a good deal. Dyno tests have proven that comparable aftermarket cathedral port heads […] RBC Royal Bank branch location at 327 GRANVILLE ST, PORT HAWKESBURY, NS with address, opening hours, phone number, directions, and more with an interactive map and up-to-date information. 1st Gen - Engine, 230 Whp all motor Nov 1, 2007 · Strngr. Save Share. TQ is steady and no peaks. Oct 22, 2015 · Buitrex. Brian crower stage 2 cams + valve train. Check your purchasing power. If anyone needs anything let me know. Qty: Sold Out. ” However, their thin cross-section allows for a high-velocity and smaller-volume runner design with excellent flow. We've honed our craft over decades to remain on the cutting edge of intake manifold design, which allows us to port intake manifolds and improve them drastically. Nov 24, 2004 · Porting makes a huge difference. The engine we're testing on is a k24/k20 frank. 89/mo or 0% APR with. Feb 8, 2016 · Re: Ported Chevy 487x heads. If you are interested in th cc I can do that. Supertech Valves and valve springs, 13. Notify Me. WRT intakes, a RBC will flow around 290 cfm, a RRC will flow around 320cfm, stock. Tax included. Mar 2, 2010 · Intake Manifold Gasket - 17115-RAA-A01 (if not using one of ours available or p2r's) 04 TSX - EBC5 series, ct-e icer, flp cat, ported IM, 68mm TB, e-throttle boost, ap2 tips. Our custom porting process is done using state-of-the-art CAD/CAM software to ensure maximum flow performance and consistency Feb 1, 1999 · For our portwork comparo, Hupp selected casting No. k20a(rsp) head. E85 was tested at E60. Decided to part out my 97 automatic 1. Then in the mid 70's they came out with smaller round ports to torque and emissions. We work on the RBB casting k24 head with Supertech For a more in-depth and technical shop tips, dyno etcJoin our channel for lessons like tech and tuning tip €1. Relying upon over 40 years of HEMI experience as it applies to drag racing, and other competitive automotive sports, our heads are sure to exceed your expectations. Sep 12, 2015 · O. The K24a2 head had massive gains over the k20 head everywhere below 8000 rpm. GET UP TO 30% OFF, APP ONLY. The rectangular ports are high RPM and big cu. This is due to cooling effects as parts will vary with shrinkage. Do NOT install the adapter over a gasket. Introducing our amazing Iconic Spec RBB K24 CNC ported cylinder head. 4) Match the manifold to the head. #18 · May 1, 2014 (Edited) RRC definitely changes fueling so it's doing something. The RBB head is the same head used on our K24A2, tho we have head part number variants of RBB-1/2/3. euro K24A3) and USDM 04-05 K24A2 RBB-x heads all use regular ass 35mm intake valves and have the same exact cam profiles. This option is modifiable well beyond the capabilities of the standard 05U cylinder head, (Chamber and porting will be available as extras) theoretically supports up to 275 CFM R1 Race Series , R1 platform, 6mm raised exhaust ports and flange, 35mm buckets, 5 angle seat cut 34-36mm intake, 32 mm exhaust seats. $1,849. SKU: DC-CNC-HEAD-RBB. $529. the 1020 for comparison. stock for stock I have seen 6-10whp between RBB to RBC to RRC in terms of peak numbers. The car has basic mods (SRI, Fuel Rail, Kpro and High Flow Cat), but just the design of the RBB speaks to what my dyno charts showed. I've talked to guys who nailed B series head a long time ago, but all have admitted they don't have recipes developped for the Jul 17, 2017 · Stock cams, ported RBB intake manifold and a custom exhaust manifold that makes peak torque at 4500rpm. 5 inch. IIRC the UK Accord Type-S (CL9) is equivalent to our TSX 04-05 K24A2 engine. 257 posts · Joined 2014. 4085 posts · Joined 2005. Note this stalled depression. Apr 27, 2021 · RBB heads are from the 3-lobe K24 such as a USDM TSX or JDM Honda Odyssey Absolute. 1. At 7900 rpm the K20 has a piston speed of 4464 feet per minute (fpm). #2 · Jun 28, 2009. sorry guys got a call bs on anything over 310 on a stock head and that is being nice. We know that a better flowing cylinder head will improve an engine’s power potential, and we’re familiar with the terms porting, gas-flowing, and big-valve head but what do they actually mean. Obvious gains are to be had high in the rpm range with the k20 head as shown. 199 posts · Joined 2007. This is far from a. 3947041, a typical factory small-block Chevy head with 1. Shipping calculated at checkout. User zof484 did it test back to back on a 2000 ccm engine vs a ported or port added high impuls head. 0mm x 31. Porting and polishing will improve air flow which would improve air volume. 10 Accord - Takeda sri, ported IM, 68mm tb, weathertech visors, Nology Silver, Eibach, UR 19mm RSB, Sprint Throttle Boostin. Jun 19, 2009 · Well after some more research this is the setup I'll be running: Ported RBB (TSX) manifold. Aug 7, 2015 · It's been stated that the RBB head is better suited for the K20 because of its port shape. g. Nov 6, 2015 · Unless you are trying to make 300whp, don't waste your loot on a ported head. Oct 8, 2021 · From my findings, international (incl. It's got 35mm intake and 30mm exhaust valves. pull the k20 apart, take the head to a machine shop to make sure its clean and straight and put it on the k24 and put it together. They estimated this manifold should make ~25 peak midrange TQ over RBC/RRC on a fully built K24, with Cometic Head Gasket . It will have a lot of throttle response and will be good for a street car. k24a2!!! finally. 6spd_EK said: Luke at 4piston has flow tested 04-05 vs 06+ RBB and has seen 1st the larger valve did not make a difference. '97 Dodge Ram 2500 4x4 12 Valve, 215 Pump, 16 deg Pump Timing, NV4500 5-speed, ISSPRO Gauges Sep 25, 2012 · K24a2(rbb) vs. Skunk2. depending on what other mods you want to do to the car and the amount of down time you can afford. now it came with an rbb intake mani and throttle body. Features Intake Valve Size 36 mm (+1 mm over stock) Exhaust Valve Size 30 mm The RBB TSX heads have the smallest port and least material available for machining when compared to the other K-Series castings. Jun 14, 2019 · K24A2 Port & Seat Development. Modern Muscle / ModernMuscleXtreme. My aim is to achieve peak power by 75000 rpm. 7:1 wiesco pistons on carrillo rods with an 87mm bore. Don't want guys still experimenting, just those who have proven themselves or have a track record of some note. 0mm). If this head were used on a K20A (jdm) block (2L race class engine), what would the appropriate head gasket be, and should the coolant diverter be used in the block? Dec 15, 2020 · Any guidance on top shops doing porting on these heads. #9 · Oct 23, 2015. if i use my prb i need to tap a coolant port on the head? would i be able to use the rbb Sep 24, 2015 · Cathedral port cylinder heads have been mistakenly dismissed by many in LS-series circles for being “old-tech. Stay tuned! CARTEL CNC HEAD - RBB STREET/STRIP SERIES. You won’t find that head on a K20 unless the owner swapped that head on (such as the ported 4P TSX head). Mar 29, 2022 · My first time of porting, polishing, dimpling of cylinder head. When it comes to engine speed, the lower flow capacity could lack if the cylinder displacement is bigger, e. Mar 3, 2022 · Stock k24 straight RBB Ported and polished Rbc intake manifold Ktuned 72mm Full exhaust 2. Sep 25, 2012 · 2008 stock TSX (longblock) with: RRC IM, Injen Intake, P2R TB spacer, Header & exhaust. 9:00am - 9:00pm EST. Support Aug 11, 2004 · it's a clean AEB head with intake and exhaust port flow increased by about 20 and 15% respectively. 11 valves for valve pocket clearance when needed, Complete w/ Ferrea Stainless Steel Jul 21, 2011 · 9,252. Improvements to airflow quality and quantity come from porting in the bowl Apr 6, 2022 · A crazy mix of parts. prb is better for porting but PRB RBC RSP are all good heads. :. Seat Material: Steel $0, Steel Intake/Copper Exhaust +$100, A25/A3 Copper Beryllium IN&EX $200. Apr 15, 2020 · This casting ported by Port Flow in southern CA, was down about 11 CFM vs the stock casting until about . First, the oval ports are the best street performance for most. Additional information. com FREE DELIVERY possible on eligible purchases Apr 3, 2011 · This is where most gains will be achieved. At 8000 rpm, the k20 head rocketed past Here we port and develop a PRB casting K20A head and discuss things about valve to throat ratio and even the port divider and many morehere is a link to the Total $1,350. Buy in monthly payments with Affirm on orders over $50. That's the way I would do it. 030" Thick 75mm Bore fits Honda Civic SOHC D16 D16Z6 D16Y8. Published: Nov 13, 2020. As a result the 4P head was around 10 hp back the head, which had the different approach, not cutted for bench flow, added material for higher air impulse. PRB Cylinder Head Complete. Pay in 4 interest-free installments for orders over $50. Not to mention the fact the RBB head tends to flatline around 6. RBB-2 k24a3 head-porting of exhaust and intake channels-polishing of exhaust channels-dimpling Feb 4, 2024 · A local guy can CNC port the RBB head and has good results. Where the manifold bolts together with the injector base I noticed that they didnt match 100%. Because I want to build a K24 normally aspirated for my Exocet project, doing valve seat and port development will be extremely useful. Ohh ya my gearing is 13-14 38. May 27, 2015 · Engine / Transmission / Exhaust Systems. A ported K20a2 head will out perform a ported k24 head. To put it simply, there are two main types of cylinder heads you’ll find on any K24: the TSX Type S head and the CRV head. Nippon Racing HYPEREUTECTIC RL5 Pistons are a perfect addition to any Honda K-Series Engine Build. HYBRID RACING American. #30 · Feb 12, 2013. Jun 28, 2009 · I see numbers on the side of the head, but there is a 1,3, and 6. 5 cams. Take the bolt and adapter and install it over the exposed water & egr ports. check out this thread it has a good comparisom of honda k heads. Apr 11, 2012 · Main K20a. #1 · Jan 17, 2010. Sure there are some losses down low, but the K24A2 still provides more whp than a K20A2. Only our USDM 06-08 K24A2 received the updated parts we all know of. I have a 04 TSX with many engine mods including intake, headers, cat back, reflash, UR puleys, etc. I have seen ported RBC deliver 8-10whp over the right setup. There are many areas within the cylinder head that can be attended to: • Exhaust ports – material can be shaved especially from the top Sep 19, 2023 · JDM Nippon Racing TSX RL5 K-Series Piston and Ring Set K24Z3 K24A2 K24A. Nov 15, 2009 · This may be why Luke recommends the RBB ported head for 2. The brown is a curve using a stock port K24a2 (RBB) head and the green is a 4piston pro 156 cnc ported K20a2 (PRB) head. Luckily the RBB K24A head and block accept all the K20Z3 components needed without any modification or after market adapters, a happy Honda coincidence. 12. Although the proven gains see to be on the K20 motors, there is not a lot of info on the RBC making power on stock cammed K24a2. you can import a rsp from japan relativity cheep now. Dec 16, 2016 · A cylinder head setup for testing on an air flow bench. My goal is not so much the numbers as it is to turn the Drag Cartel 4. Overall I am pleased. I am running TC porting, TC pipe, HRC kit and a 39mm FCR mounted to a 400ex airbox with a K&N. After 300 lift this port design starts to come to life. Hey guys i was curious if anyone out there had the RBC intake manifold installed on there TSX. Learn more. of a 99 mm stroke engine. For a street car, this design means excellent throttle response, torque and average power. Jun 11, 2013 · Ok so i have finally purchased an engine. Valve Spring and Retainer Kit Sep 4, 2019 · Buy Remanufactured TSX Accord 2. This will be going on a K24 block with 12:1 compression ratio. 4L application SOLD!!!!! for the 2. Quantity. What you see is what I’m just finishing up of what’s left I have to do. that motor will leave everyone in the dust. The RBC was bored to 82mm which is the size of the Q45 outlet size although the intlet is 90mm. First, there are three intake port shapes. Yes, I was expecting some gains. This port was designed to fit in this casting, and takes a mediocre 275cfm cylinder head and transforms it into a 340+cfm race winner! Slow-cut precision 5-axis cnc porting, second to none on machining quality. 50-inch valves and 64cc combustion chambers. Cams and intake manifold will make a difference as well. Aug 13, 2012 · K24A RBB cylinder head Ported and assembled Price $2500 shipped Application RBB head from Honda Accord/Acura TSX with K24A engine, will work on Honda Civic Type R FN2, Honda Civic Si FG2 and K-series swaps. if i use the rbb, i need an adapter to use my prb tb. Thanks to its long stroke, the K24 comes close to that, running at 4225 fpm at 6500 rpm. $96. 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