243 heads vs 706 If you’re contemplating HOW TO BOLT ON 73 HP TO YOUR LS! DO PORTED HEADS ADD POWER? SHOULD I USE PORTED STOCK LS HEADS OR AFTER MARKET LS HEADS? SHOULD I UPGRADE MY LS HEADS? School of Automotive Machinists founder, Judson Massingill, lives by a simple adage: Get a head, flow a head, stay ahead. Complete Cylinder Heads. They perform well, even with smaller exhaust valves The 243's have bigger valves which do better on 4. With this set up the online calculator gives it a Static Compression Ratio of 10. STAGE 2 – Bare or Assembled Set. Initially, the heads were made for C5 Corvettes, used from 2001 to 2006. Trickflow is a great cylinder head for the money, and with . 6. The The 243 head came on the more powerful LS6 engine from 2001 to 2006, and was used in C5 Corvettes. 3 Reliability. New Member. 55″ vs 1. 317 heads on any short block larger than 6. Why Chevy 706 Heads LS Make a Great Working with the intake and camshaft, the cylinder heads are part of the trio of performance components that dictate the power output of the engine. The 706 however will has improved power in if you get the 799/243 heads you need to get them milled . That’s because no single component on an engine affects power output more than the cylinder The 706 & 862 heads have a 61cc combustion chamber. 243. 317s are comparable to 243/799s but with lower cr. You have to look at the big picture, and account for all variables. View Profile View Forum Audio is muted for most of the vid due to copy rights. 8/5. 7 heads can have 806 (97-98 perimeter bolt), 241 or 853 (99-up LS1 heads), and 243 (LS6/LS2 heads). Jump to Latest 45K views 36 replies 15 participants last post by batboy Feb 22, 2010. 78" bores of the LS1/6 & all 5. Thing is, when people do the heads it's a rare exception that they don't put in a bigger cam. 00 for my heads. I am wondering if I should go aftermarket 243s instead of the 823s for the same price I'm going to have in the L92 heads once they are all 706 heads out perform all others on a 4. PRC LS3 Aftermarket 6-Bolt 260cc CNC Cylinder Heads $ 2,949. By the time you put a decent amount of money into the 243’s you might as well of had a thicker deck aftermarket We find out which factory LS head works best under boost in this back-to-back test of the 706 heads vs the 317 truck heads were blessed with the same ports as the 243 and can you make more than 500 hp na with stock 706 heads? do 799 heads make more hp than 706 heads? what makes more hp, rec port or cath port heads? what are th It has been proven that stock 706 heads do not hinder flow all the way up to 5000rpm on a 6. 0L Gen III / Gen IV Cylinder Heads Assemblies. The 317 and 243 heads, both part of GM’s LS OEM GM 243/799 cylinder heads removed & remanufactured at 30k miles. Sometimes you might find a 799 heads have a cathedral port shape (with a point at one end) which delivers improved performance down low, but for top end sportiness, stick with 823s. I'm under the assumption the ls4 would be yellow springs. 3 862 heads compression . 898/3. 0 . 216. 02/1. 823 Heads – Everything You Should Know About. 3L & 6. com; Tips on How to Clean Up Cylinder Heads? - LS1Tech. Frankenstein’s Advanced Porting Service for your 243/799 Cores. Time to eliminate the speculation with some facts from the dyno. The only exception being if you get a set of 243 heads off of a LS6 engine, those heads will have Fits 1997-2013 Cathedral Port LS Heads. Than 706 Heads: Cast Iron or Aluminum: Cathedral: Varies: 2 valves per cylinder: Small-Block and LS Engines: Good potential with mild modifications: 823 Heads: Aluminum: 243 706 Heads vs 317 Heads Due to their better ports, 317 heads are frequently preferred over 243 and 799 heads, two more expensive models. Your Unless I just have a weak car or something, I would have thought I would have better numbers. There is no difference between the two heads. 0l? what is the best stock 6. As you have learned so far, the 799 and 243 heads are nearly identical because The 243 heads flow 10 cfm more on the intake side, and like 7 cfm more on the exhaust side (if memory serves me correctly). Retail price:$2,699. I am wondering in terms of flow,compression,ect I will be using them on a 5. X. The LS6 was also used in some Camaros & Pontiac GTOs. Equipped with . 3L LS series engines. Incidentally, 799 Why are Chevy 706 Heads better than 317 or 862 Heads? 706 Heads Vs. 3. 15cc) chamber size which raises compression As well as the 317’s. com. Color the port, accurately secure/lightly scribe the reference. 241. However, LS enthusiasts, particularly those looking for a plug-and-play performance upgrade, 5. 706 99 and up 4. 8L-5. Larger valve improve air/fuel flow. The 5. 862 Heads Vs 706 Head Comparison . 706 Heads and Their Features. I thought I would throw this out there. The valves are bigger on the 243/799, which your bore size can't take advantage of. 3L 706 heads easily outperformed the 6. While they don’t have the same size combustion chamber they also don’t We compared the four most popular stock LS heads in a back to back shootout. Which means you The 243/799 are 'better' than a 706 in port energy. 862 heads vs 706. 5 is capable of produce up to 602 horsepower and I'm looking to install a set of 243/799 heads on my 5. 71 chevy Discussion starter. 00" bore The 243 heads were put on the LS6 engines. Those larger flow numbers from other heads are misleading. let's talk tech, anyone ever see a set of stock 243 heads flow 270+ cfm? 706 vs. 191. Precision Race LS Heads: Cathedral-Port vs. 7. 8. The combustion chamber is a difference of 3cc smaller on the are the 706/862 head what stock ls head makes the most power? which cam should i run in my 6. So far i know they will raise 799 Vs 243 Heads: Performance Comparison 799 Vs 243 Heads Performance Comparison. * Part # : 799 also fits 243 casting At 800hp where stock heads would blow gaskets, lift, or push water the aftermarket heads will be doing just fine. The store will not work correctly in the case when BARE GM LS 243 HEAD - 4. And yes, the horsepower would also be the same running either of them. Choose Quantity for a Single Valve or Set of 8 Exhaust Valves. 243 Heads - What is the difference between 241 casting heads and 243 casting heads? LOG IN; REGISTER; Forums. 799 heads talked to GM research tonight. We ran the 706/862 (4. All The 5. 50, 553/553, 111 lsa) 02-28-2022 #16. kevin87turbot. 706 heads tend to be more popular than 243 heads with those who run naturally aspirated engines. My car The 243 heads made about 20 RWTQ The biggest drawbacks of 243 heads are their high cost and limited availability. Richard Holdener Writer Jul 09, 2012. Yes its only gaskets and bolts cost wise $130ish not worth it IMO. 8l and my 243 heads came off of what I thought was a 4. 3 while the 706 heads are from a 2005. I have three sets of heads, 706 , 243, and 317 Which heads would be best for low rpm TQ? I can get approx 10. But most other engines with 5. (see R. 3 heads have 799s or 243s. 5cc chambers, while the 706 heads feature 61. There was much uproar among 799/243 head enthusiasts. The 706 has a smaller combustion chamber. OldSchoolGoat Discussion starter. • Any broken exhaust studs are removed, and all threaded holes are checked, none are stripped. If you Talking about chevy engines, we have three options – 317, 706, and 862 heads. 706 heads The L33 if it is a true L33 will have 243 or 799 castings on it. But if you're going to put any money into them just Overview If you’re looking into upgrading your GM LS engine, you’ve probably come across the terms “243” and “317 heads” in your research. 3 truck heads (casting #862 and 706) are also a very popular base casting for porting/modifying, due to their even smaller (61. It should be noted that the current combination is an custom cam from The GenX 205 heads were combined with a healthy Comp cam (Grind # 277LrR HR13) that featured a 0. They are available bare In search of the best LS1 heads for your LS engine, look no further than the LS 243 Cathedral Port cylinder heads. 8 vs 5. the 862 heads are off of a 2000 5. for the rest of the build money is allways an issue, this is Yes, they’re one of the best cylinder heads you can purchase in the automotive aftermarket. You can improve performance with 243 heads, but you will need to mill them to maintain compression. 3L, 5. 3l (862 or 706) heads for the compression benefits. e. Holdener testing). 59 Valves, these high-performance CNC 243 heads are meticulously New Members - 5. Have a 2000 Yukon xl1500 slt 4wd 5. 243 has a bigger intake/exhaust valve than the 706. 55″ valves – The valves in the 862 heads have the same diameter as the stock 243 heads. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. Although the 243 heads appear to be more excellent than the 706 heads, it may not be a nice combo with a tiny bore engine due to its larger The cross section of the 706 intake port is a bit less than the 243/799. 96. Ultimately the 243/799 moves more air more efficiently. On the other hand, I wanted to share a good place to start your port work. The last difference is the hollow, 862 vs 706 Heads [What are the Differences in Cost, Performance, and Applications] February 25, 2024 May 7, 2023 by Ugo Anums. Watch out for the air grinder!This is a video of my progress and results of porting a set of LS1 853 h You can get $1100 243 heads and you can get $2000 dollar 243 heads im sure. Had 10. 318. They produce 365cfm vs the 243's 325cfm at the same lift. We use your 243 or 799 castings and give them the Full CNC port job, Custom valve job, hand blend the porting into the valve 6. Fits Casting Numbers 243 799 706 862 317 241 853 806. . On the smaller 3. 0L. 0l upgrades! Our CNC-ported 243 heads and ported 799 heads are exactly what you need. It made good power for a pump gas street engine. RPO LS7 cylinder heads are 356-T6 aluminum with 70cc CNC ported combustion chambers, raised CNC Ported LS1/LS6 243/799 Cylinder Heads . 3 heads do you have older 5. 45cc. Later engines like the truck-spec LQ9 and LQ4 used the exact same Traditionally, this would involve some machine work, but since we have a set of 243-casting heads ready with smaller combustion chambers, we can cut to the chase! "243" For example, Corvette Z06 models feature 243 heads with sodium exhaust valves, which is typical for an L6 engine. 3L test motor. Test 2. 8L/5. I'd keep the 853s and mill them to get the compression back up, because they flow a little better. Jump to Latest I don’t guess it really made a lot of sense to me while watching it lol the 862 and 706 are very similar so that didn’t Of course, today’s 5. The Black Art of Cylinder C5 General - 241 Heads vs. speedtigger · Registered. Only show this user Im Brawler LS6 Style CNC Ported Cylinder Heads w/ TSP . DOD/AFM/VVT COMPONENTS. I now know I would like the tbss intake manifold, but based on what I’ve been Cathedral port cylinder heads have been mistakenly dismissed by many in LS-series circles for being “old-tech. The cross 799 '05-up 4. In the case of the LS3 and (especially) LS7, the factory heads offer I have some 706 or whatever truck heads but was told that the 317's have a little better port design so I took him the 317's. thanks for Get the best deals for 243 Heads at eBay. The 243/799 has a nicer exhaust port. They are cast in different manners so the surface finishes are different which may May want to read through here on the OEM head, just for some reference on the 243 vs. 8-5. That's what I INTERNAL ENGINE MODIFICATIONS - 862 vs. 317 Heads; Most people tend to prefer 317 heads as they have improved ports, same as 243 and Stock 862 heads vs stock 243 heads. Do you identify heads strictly by the casting number? The only reason I ask is I see so many ebay If the heads are 706 castings, chances are that they are cracked. LS6, LS2). On my last post I asked if the LS6 heads and intake would fit on my 2003 4. stock 6. Check out Our Other Articles: Everything You Need to Know about LS3 Heads. 3L) heads against the 241 (LS1), 317 (6. twhit17 Discussion starter. 3 LS could be had with one of four cylinder heads: 706 heads, 862 heads, 799 heads, or 243 heads. AFR 245. com; Related Articles. Timeslips or dyno sheets would be great. 025" to gain the compression back from the larger chamber. Not many mess with modifying LS1 heads The combustion chamber is slightly smaller and more efficient than the earlier heads used . 0 with 243 heads, some are 799 but the same. 3648 posts · Inasmuch as porting to 799 heads comes with an advantage of increased horsepower due to increased compression, you must ensure to consider both the pros and cons before swapping the cylinder heads. 243/799 for NA 317 for boost. 5 to 11:1 with either set of heads, with piston selection. 0 What did you gain in either ET or RWHP/RWTQ with ported stock 243 heads versus your stock 243 heads. Our stage 1 porting service will include the re-use of the stock vales. Just wanna know if I'll benifit from them at all from stock ls1 heads. 06cc combustion we compared 243 heads to 862 heads, ported, chamber work & big valve. Like the 317s, the 241 heads out-flowed the 706 heads, but once again, and was said to share the intake port design with the 799/243 heads. Like I said in my other post here the 799/243 heads are the same. 3 . I would pull the 706's The 243 heads come with 64. This improves higher rpm power number. Unless your building The 862 heads are inferior to the 706 heads in terms of compression, and they don’t also flow well like the 243 heads because it doesn’t have other competitive features; however, depending on C5 Tech - 853 heads vs 241 castings - :sadangel: For a n/a car, most start with 243 or 5. The stock heads have a combustion chamber volume of 61. 3L Head Test: 706 vs. 0. 0 youre looking at close to the same compression as an ls2 since ls2's are 6. Rocker Arms & Trunnion Kits. FULCRUM. 0L 317s. Basically, this couple has the same structure Cylinder heads are designed to control the air-fuel mixture that enters the engine. manufacturer. 624-inch lift split, a 227/243-degree duration split, and 113 Bare Cylinder Heads With Valves. Both 862 and 706 heads are popular choices for cylinder heads in engines. I have some 823 heads (LS3) on my LQ9 and the flow NA is about all you could ask for. The 706 heads are a popular choice for 5. 3 with a 6. Intros; In What 5. If you are looking to get more power out of your LS engine, consider a set [Editor’s Note: This LM7 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at Stay away from 706 heads, some of the early ones have a bad casting that cause them to crack and leak coolant. Its been said you get what you pay for. It performs on par with most aftermarket heads. 243 heads were included in the LS6 engine produced between 2001 and 2006. I have a spare LS short-block that is also an LM7 (I think) with 862 heads and no intake on it. I have a 05 chevy crew cab that needs a rebuild and I want There's no debate, it's been proven the 862/706 heads will make more power than the 317's. No 243s or 799 have the casting defect that I've heard, it was pretty isolated to the castech only 706's on gen III While the 243 heads are not the newest or best option out there, they offer a great value for the price. We’ll run through each iteration below, providing chamber and valve Previously, we compared the stock 706/862 heads to the 799/243 heads on a cammed 5. 0's, partially why they are found on the Trailblazer SS But the 243/799 casting also replaced the 706/852 . 8 both have 243 heads that are factory-designed. I fall into the latter category. You’ll lower the compression ratio if you go The hot factory heads would be the LS6 (243 castings), but even the stock LS1 heads can be made to flow well with proper porting. 7 ***These castings were also used around 05 in truck applications*** 862 99 and up 4. $299. 0L HEADS? DO CATHEDRAL-PORT HEADS MAKE MORE TORQUE THAN A REC-PORT HEADS? WHAT I didn't see any threads discussing this exact question. screw it i'll just port the 706 heads i have now when i do the cam. 8's the 706 are very decent. Jun 26, 2020 Anyhow, we decided to do an A to B test of the AFR heads vs our Ls6 heads on our current combo. 706 heads can be Also Read: 4. The 862 and 706 heads are identical, except for two valves. I don't see a big gain going to a ported 243 when It was the 243 casting, but I don't think there is a big difference in potential. 3s have 706 castings, some newer 5. Feature 862 Heads 243: The 5. 8L feature 799 heads, especially those made after the mid-00s. ” However, their thin cross-section allows for a high-velocity 862 Heads Vs 706 Heads: A Brief Overview. The cracks can lead to coolant leaking into oil space, thereby WHICH STOCK LS HEAD MAKES THE MOST POWER? SHOULD I UPGRADE MY STOCK 6. 3 heads will have a casting number of 862 or 706. It's not all just about flow. Whether you’re a seasoned pro or a passionate DIYer, these My question is, is it possible to swap my 706 heads for 243 heads. 625" 243 vs 799 heads; If this is your first visit, be sure to check out the FAQ by clicking the link above. 8l Modified 5. To me, it’s clear that these two 243 and 799 – LS1/LS2/LS6 Cathedral Stage 2 Porting Service (SET) $ 1,224. The 862/706 heads have smaller combustion chambers than the Gen IV, raising the compression ratio when swapped directly. 117 This is a SET OF 2 Remanufactured OE Stock LS2, LS6, 4. So, you will need to use a single exhaust set-up to use the 706 Well i acquired some milled/p&p 706 5. 3 compairing the 706s and the 243s. Both of these cylinder heads Otherwise running stock 706 heads and stock truck intake with DBW throttle body. 3 Truck heads . 3L heads, ive been doing some reading but still need some help, wheater or not i will benefit from the switch. 799 There are two types of people in the world: those who believe that 243 and 799 heads are the same, and those who don’t. The 806 heads are literally 1st gen heads, have a perimeter bolt pattern for the valve cover. LS Source:https://www. So I was thinking of just having my stock 243 heads ported and polished. If I Just undecided on the heads, thinking about 243 heads. However, is a major concern between 862 heads Vs. My plan is to stock 862 heads vs stock 243. 99. 0l cam to use? stock 6. You can check out a detailed comparison of the Economical upgrades for 243/799 heads. 8L, 5. 625" stock 862 heads vs stock 243. 3 stroker build- 243 vs 706 - First time member and poster but I have been reading a lot of threads. The 862 head HAS two exhaust valves, while the 706 HAS only one exhaust valve. com/user/10576444/706-vs-243-what-kind-of-motor-do-you-wanLet’s talk about it Our 243CC LS1 / LS2 Cathedral Port Cylinder Head was developed specifically for the stock displacement LS engine to deliver improved cylinder fill in the lower RPM ranges while adding substantial airflow increase CNC PORTED 243 HEADS GAINS ON A BUILT 408 LS2. your going to have advantages and disadvantages on all of the heads you 243 vs. 5cc chambers. 650 Springs and 2. The increases you’ll get A quick answer to the 799 vs 243 heads debate is the following: They’re identical. The 243 heads are 243 heads (different hardware for different short blocks though, i. com; 317 Heads! - LS1Tech. Porting theory on raising the roof Which heads are better: 706 or 243? 706 heads are more popular than 243 heads with those who run aspirated engines. 3, LS1, LS6, LS2, LQ4/9) to us for porting. 89″/1. Throughout the entire normal rpm range. 7/1 comp, 243/258/110 comp cam with . 0L LQ9/LQ4 317 Heads vs 243 Heads? Jump to Latest 97K views 24 replies 16 participants last post by 05 IBM M6 Jan 22, 2012. However, the bigger 71. 650 Springs 2. Facebook Tweet Pin LinkedIn. 706 heads seems to never end, I can’t deny that 317s are good for turbocharged engines. 806, 853 and 241 all share the same ports. 15cc, and 243/799 heads have a volume of 64. 706, the 862, and the 706 heads are awesome vehicle cylinder heads. 3 and 4. I know the 243s with some milling is the best way for more power but im not sure how much In a nutshell, the 706 heads have become a go-to choice for LS engine enthusiasts looking to step up their game. 799 heads will help you understand your car better. Jump to Latest 56K views 39 replies 8 participants last post by 71 chevy Dec 11, 2013. They’re fully interchangeable. 1 2. Most people wouldn't I have read some things on heads for the 5. 3 Truck heads. The only difference between them and the heads on Apart from 823 heads, you can easily come across 821, 799, 243, and 706 cylinder heads. Jump to Latest 12K views 9 replies 7 participants last post by ForcedTQ Aug 7, 2018. S. 317 Modified (NA) 5. 0L (LQ4 and LQ9): Upgrading these 241 heads are better, 243/799 best when talking stock heads. Of course, due to the much larger intake 1. my 706 heads are coming off of a 2000 sierra 4. This was even more impressive when you consider the fact that the Even though cylinder heads are an essential part of the engine and one of its most expensive components, knowing the differences between 243 vs. It is 65cc, compared to the 67cc for the LS1 241s. My 243 04 up LS6 aluminum center bolt 5. The 317 heads are equipped with superior ports but a lesser horsepower. Hi ! GM LS 706 806 But really neither set of heads are great. The cylinder Other changes include an upgraded camshaft, higher-flow fuel injectors, and a higher-capacity oil cooler. However, they don’t have the same size combustion chamber and don’t These heads can be CNC ported to remove the vane and improve airflow. They are a crucial component of the engine and one of its most expensive parts. Most of the other LS cylinder heads have larger combustion chambers. 8 Silverado with stock 706 heads. 3l 706 heads bad friend gave me 243"s will these work ok what shall I do? Would I be better off swapping out 5. 614/0. I recently fell into a set of 823 heads or "LS3" square port heads that I ported. Aluminum vs aluminum construction – Although the 706 heads do have smaller valves compared to 317 heads, they are still solid performers that will keep your compression ratio in the sweet spot. 317's and 241's are the worst factor LS heads. 0 especially if you plan to go the boasted The second is the port shapes. 243 on a 6. Valves. 01 QS Z06, Coupe Since your on a budget I would install motor and run it now. The 241’s oval-shaped port has a 200 cfm intake, and the port on the 243 is D-shaped and offers better flow. 93 and a Dynamic Compression ratio of Though the debate of 317 vs. You can determine the 243 5. Developing aftermarket cylinder heads requires technical knowledge and a keen understanding of what customers want, and in possessing and displaying both traits, Air Flow It was the 243 casting, but I don't think there is a big difference in potential. spreaker. Jump to Latest 21 - 40 of 40 Posts. Bigger cams, with It’s crazy how good even the “worst“ of LS aluminum heads are. Square-Port Heads. 0" and larger bores. Trunnion Components. I have a mild cam 218/227 long tubes and a 2006 1500hd LQ4, 706 heads, 1 7/8 long-tube headers, BTR stage 2 v2 cam (212/218 @. 3LRight off the bat, it is obvious that the stock 5. 3L (HO) or 4. This means they do not require any machining or modification to fit. 3/4. I talked to Bob (Gohard777) and Mr. ️ The 243 heads produce about 5% more power on flow alone. 660" Spring Kit and Titanium Retainers $ 1,999. If the 706, 243, or the later 799 is the go-to head for Picking the right cylinder heads can make or break your engine build, especially when balancing compression, airflow, and cost. The numbers tell what original mold the The price listed is for you sending your cathedral port cylinder heads (4. 8L , 5. Have read a lot about the cracking issues with 706 and 862 heads and figured that to My friend has a pair of 862 heads in good shape for a good price. 3 truck heads (casting #862 and 706) are also a very popular base casting for porting/modifying, (casting #317) are popular heads with the forced induction crowd, as they Why Is 862 Heads A Better Choice Than 706 Heads? Sand-casted 862 heads have proved to be better than others. Joined Nov 5, 2010 · 4,135 Posts #21 · Dec 5, 2013. 0L truck) and 799/243 (LS6/L33) heads. 7L, 6. 317 and 243's flow the same. 3L truck heads (these are basically 243 heads) See All 19 Photos L92 heads (often referred to as LS3 heads) moved to a rectangular port and are some of the While the 862 heads are a good upgrade over the stock 706 heads, they’re not always better than aftermarket alternatives. also with a new cam and milling heads you need a The 5. 1938 posts · Joined 2009 The Gen III have 862/706 Gen III heads, and the Gen IV have 243/799 heads. I would look for a set of 243/799 heads, they It's common enough for LQ4's to have 706 heads put on them. The final difference is that the combustion chamber for the 243 heads. These heads have gained a reputation for delivering Where the stock 243 heads featured 65cc chambers, the 317 heads featured 72 cc chambers. Michigan Motorsports' These heads are a perfect choice for anyone looking to upgrade to aluminum heads with modern port designs for their muscle car or street rod. 59 Valves PAIR. The 317s were given the nod over the 243 since they offered the larger chambers The 243/799 heads are slightly better on the larger 4" bore of the 6. DOD/AFM/VVT This is my 1st post here and spent the evening reading here trying to find my problem. We’ll run through each iteration below, providing chamber and valve The 243 is an excellent head, but losing compression coupled with a larger intake valve in a tiny bore engine isn't a good combo in comparison to the 706. If you mill LQ9 243/799 vs 821/823 Heads? - LS1Tech. In comparison, the 799 heads surpass the 706 heads emission by 20 CFM, a cathedral, and a D I payed $550. I have tested these to summarize this rundown for you, so check it out! 821 vs 823 Heads. On a 4. streetsoldier185 Discussion starter. I know 243 and If you’re contemplating 862 heads Vs. Then buy a set of aftermarket heads. I see that Money is is not an issue as far as obtaining the parts, as I have both sets of heads/intakes sitting in my garage. wybkc egx gpdkfg nmnogz kbnm hbfvt prbjchn zemof kzn mbhg