All rights reserved. Specifications Instructions Footnotes Reviews AFR's 185cc "Street" cylinder heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. It still has more left, if he gets the money to improve the exhaust, it will gain at least another 10 whp, possibly 20 whp. Are there other heads that you would recommend? The block is a '68 302 block with ARP studs. by mag2555 Wed Mar 02, 2016 6:34 am, Post Shop Cylinder Heads at Summit Racing. AFR's 1351 185cc SBF Enforcer Cylinder heads feature AFR's Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. Here is the specs of the Renegade AFR heads the produced 410 lbs-ft of torque and 431 hp from 306 inch (0.030 bore) using a 270 hyd roller cam and pump gas for fuel. 159.223.159.251 8mm Bead Lock Exhaust Valve 1.600" x 4.950" O.A.L. | High flow 2.020'' valves might require aftermarket pistons notched for valve clearance. Clearly, if your engine has more camshaft, displacement, or rpm than our dyno mule, the 185s are the way to go. Likewise, the standard valves are good-quality street parts. The only changes to the engine were the heads, then jumping from a 70 mm throttle body to a 75 mm throttle body and then stepping up from some 24 lb. by BobbyB Fri Mar 04, 2016 12:01 pm, Post While the exact specs on those parts will vary by application, their quality is assured. AFR recommends the use of .120" thick-wall pushrods. Reviews Click to reveal AFR Renegade 165. AFR is right up there on the pecking order. The engine produced 370 RWHP and it peaked HP at 6500 rpm with usable HP to 7200. 2023 JEGS High Performance. In other words, there is no reason not to run the 185 heads-they cost no torque down low-and you gain a distinct power advantage from the midrange on up on a healthy 347. Test conducted at 28" of water (pressure) on Superflow 600Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe. '67 Coupe, '69 351w, Pro Flo 4 EFI, AFR 185 Renegade heads, 10.0:1 compression, Scorpion 1.6 rockers, Lunati Voodoo Hydraulic Roller, 231/239 duration at 0.050" .571/.587 lift, Lunati link-bar lifters, Hooker longtubes, 2.5" exhaust, C4 Tranny w/2800 stall, Detroit Locker w/4.11 gears Listen to it running here! So, the decision, at least at this power level, is clear. thanks. Ask a Product Question. Image is a representation of this item. (**MOST, not all), 1969 Convertible field find (450hp spaghetti noodle). They're generally considered among the best. Imported castings? However, looking for an affordable middle ground, AFR came up with its new line of cylinder heads The Enforcer. In other words, it's not a huge change from the standard 165 port, but rather adds a bit of attention to difficult areas. Close to my low- to no bucks project this: I may have forgotten to say but when the intake valve size/flow is lower then normal related to the exhaust as is the 1.9/1.6 combo this AFR head has, then the cam usually needs to be in at more advance than normal. Not all China products are garbage. Heads are designed for 5/16" pushrods, Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. Move up to a 347, and especially one with a bit of camming such as our mule, and you're in 185 territory. Swapping these heads is as easy as swapping any other pair. I was told that the valve springs that come with the AFR 165cc Renegade heads are not compatible with the Crane roller cam I am looking at but was told that the 8016 springs are close to the #44308-1 crane springs. Since your shaft rockers are probably for an inline head, you're probably not going to be able go with TrickFlow. )Sorry quoted the wrong person originally and dont know how to change it now, to OP: Best bang for the buck real world street small block head? If you need the world's finest high performance street/strip small block Ford heads, then check out AFR's 185cc emissions-legal Renegade Street cylinder heads (CARB E.O. Given that, I think trick flows require special valve reliefs on the pistons. There was another thread a couple weeks ago asking a very similar question. Have you considered larger than 185s? AFR 165 or Trick Flow 170 would give you the best bang for your buck and. Intake Valve, 1.600 in. by David Vizard Fri Mar 04, 2016 8:42 am, Post Holding those springs in place is a set of steel 7-degree retainers and AFRs standard 7-degree 8mm valve locks. As always with small-block Fords, the answer depends heavily on two factors: how much displacement your engine has, and how many rpm you are going to turn it. When I received the new heads the nightmare began. '89 GT convertible, N/A 357W, MM front susp w/425# coil-overs and Koni D/As, MM TA/PB rear setup (Koni Yellows, 390-430# springs), Stoptech 332mm / 12" Baers, MM 6 point rollbar, Maier 1.5" flared fenders & quarters, 18x9.5" front/18x10.5" rear Enkei RPF-1s (street), 18x10" CCW C-10s (track), etc this chinese import wesbite can't be real can it???? injectors to some 36 lb. for the cam I'd use) and picked the heads with the most area under the curve (labeled "curve CFM" on my old spreadsheet). Stay Updated with Emails from Summit Racing. Initially offered in four fitments small-block Chevy, cathedral-port LS1, big-block Chevy, and small-block Ford the heads do share some features across the line. Ive seen some floteks but they seem to good to be true for the money but anyone have any other options and opinions I would love to hear them. Stud Mount - Non-Emissions Legal with EGR. If you have a 9.5" block, then 185's or 205's or 225's depending on displacement and horsepower targets. The last important piece in the combination is the intake manifold, and for this test we reached for an Edelbrock Performer RPM II. The bare, straight-plug version will be part number 1002, while the fully assembled straight-plug head will be P/N: 1001. A 3/4 in. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. $25 for AFR Heads???? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Additionally, by limiting the number of available options on this line of cylinder heads, AFR can further streamline the manufacturing process, keeping the prices in the realm of affordability. Hardened pushrods required with cylinder heads p/n 033-1420 and 033-1422. This is a custom order part. . ARP rocker studs, PAC Racing valvesprings, Viton valve seals, hardened spring cups, ductile-iron valve seats, machined locks, AFR guide plates, and AFRs stainless-steel valves are all included on the assembled heads. Like the LS version, the SBF Enforcer features 8mm-stem, 2.020-inch-diameter stainless intake valves and 1.600-inch stainless exhaust valves in bronze valve guides. For a better experience, please enable JavaScript in your browser before proceeding. The valve remains 1.600-inch. For about a year now, AFR has been offering a Competition Package on only the 165 head. by bmcdaniel Tue Mar 01, 2016 3:38 pm, Post Performance-wise, I would say the Enforcer and 243/799 heads are comparable,Torrecarion explains. Stan Weiss' - Cylinder Head Flow Data at 28 Inches of Water -- DFW / FLW Flow Files for use with Engine Simulation Software, Stan Weiss' - RPM of Peak Horse Power - Cylinder Head Flow Data at 28 Inches of Water, Elvira 331 Project Dyno - Mustangs & Fords Magazine, AFR 185 Cylinder Heads - Includes 8019 HYD Roller Springs. As such, the question is when to switch from the bolt-on 165 to the higher-performance 185 heads? Thank you! some live and some do not at that level. I just noticed the word "suck" in my original post just after "aluminum heads" and just before "AFR 185s"that was not a Freudian slip I swear! Well, unless you you have 800+ cubic inches to play with, the engines aren't going to making any horsepower without the high rpm. Today VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Those specs will cover whats found on a typical street LS engine. Please see footnotes for additional information. The Fora platform includes forum software by XenForo. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one piece 8mm 21 4N Stainless Steel valves. by David Vizard Wed Mar 02, 2016 6:36 pm, Post Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! For an FE, I've always liked the Blue Thunder Medium Risers and for a Clevor, Cleveland, 351M/400, the CHI 3V's. Please select the checkbox to SignUp for text alerts. The assembled version of the head features a premium-grade, chrome-silicon 1.290-inch-diameter dual valvespring with 140 pounds on the seat and is good for .600 inch of maximum lift at 6,500 rpm. When we finally got down to running the two heads, we found the 165 vs. 185 head contest dead-simple to analyze. .006" per cc 54cc Max (from 58cc); 68cc Max (from 72cc); .009" per cc 48cc Max (from 58cc); 62cc Max (from 72cc). The 195cc intake runner flows 251cfm at .600 inch of lift, while the 76cc exhaust runner moves 197cfm at the same lift. I built my 331 in 2004 and used '70 351w heads that I fully ported and unshrouded with 1.94/1.6 valves and with 160cc intake port and 60cc exhaust port. Exhaust Valve, Ford, Small Block, Each You are now signed up to receive JEGS Deals with text alerts! Mine were milled to maintain a 54cc combustion chamber. Some little details you may not know about AFR Enforcer Heads. View Details By applying that knowledge into all-new castings, they can incorporate things like desired runner-volume and shape, combustion chamber shape and volume, and other design features right into the molds. Please note that Checkout Prices will be in US Dollars. By subscribing to JEGS SMS, you consent to receive autodialed messages to the number used at opt-in. They are listed as "LS1" heads, as they require a minimum 3.900-inch bore, so 4.8L/5.3L-bore engines need not apply. Note the 185 Comp overall outflowed some of the 190 & 205 heads. 185cc Renegade Street Aluminum Cylinder Heads. 8mm Bead Lock Intake Valve, 2.020" x 5.000" Overall Valve Length, 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length, PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available), 7 Steel Retainers 1.245" O.D x .885" I.D x .655" I.D, Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D, SB Ford 1/2" Bolt Head Bolts, ARP #154-3603, SB Ford 1/2" Bolt Head Studs, ARP #254-4503, 1/2" Bolt - 7/16" Thread Head Bolts, 289/302W: ARP 254-3708. How do these compare to the LMR 170 heads? Enforcer heads feature a 0.325 in. I want some of what you're smoking if I think that Chicom **** is real. Sold as a single piece, 2 are required per engine. by David Vizard Tue Mar 01, 2016 10:27 am, Post Estimated International Ship Date: '67 Coupe, 69 351w, Pro Flo 4 EFI, AFR 185 Renegade heads, 10.0:1 compression, Scorpion 1.6 rockers, Lunati Voodoo Hydraulic Roller, 231/239 duration at 0.050 .571/.587 lift, Lunati link-bar lifters, Hooker longtubes, 2.5" exhaust, C4 Tranny w/2800 stall, Detroit Locker w/4.11 gears. For a better experience, please enable JavaScript in your browser before proceeding. Summit Racing will BEAT any competitor's advertised price! You can order this part by Contacting Us. These are the current standard production heads, and not the Competition Package for the 165 head (For more on these, see the sidebar). The big-block Chevy Enforcer package is meant for big-flow, even with as-cast features, such as the 325cc intake ports (left), the 122cc combustion chamber with openings for 2.250-inch and 1.880-inch valves (center), and 140cc exhaust runner. If you spend time over on the Yellowbullet or Turboforums you will see a number of people running turbos on stock blocks at power levels that conventional wisdom says are not possible. 3/8'' Rocker Arm Studs. I bought the AFR Enforcer heads I told you not to buy. They come fully assembled with the identical components found . Playing such an essential role in your engine, new cylinder heads usually come at a significant cost, for a variety of reasons. We strongly recommend using 7/16" rocker studs with today's fast cam rates and RPM capabilities as 3/8" Rocker Studs can occasionally break. I've got heavily massaged Edelbrock Performer RPMs on my '68.. As the drill sergeant said, "I taught you everything you know. The Enforcer LS heads are listed as LS1 heads, simply because the cathedral-port head requires a 3.900-inch minimum bore size to fit the intake and exhaust valves without undue shrouding or potential outright physical contact. How do you feel that these heads would work on an under 6000 rpm 351 in a heavy truck (4900 pounds)? Reply HELP for help or STOP to opt out. Recommended for engines from 302-393 cubic inches, operating up to 6000-6500 RPM. Heads with 1.625" O.D springs will require some springs to be removed for access to some head bolts when installing the heads. by David Vizard Wed Mar 02, 2016 9:41 am, Post What type of question would you like to submit? This budget friendly head is perfect for your 302 to 363 Cubic Inch operating below 6000 RPM. AFR Small Block Ford 185cc Renegade Street/Strip Aluminum Cylinder Heads, Bead Lock Intake Valve, 2.020'' x 4.903'' Overall Valve Length (Stud Mount Rocker Arms), Bead Lock Exhaust Valve, 1.600'' x 4.955'' Overall Valve Length (Stud Mount Rocker Arms), Bead Lock Intake Valve, 2.020'' x 5.079'' Overall Valve Length (Pedestal Mount Rocker Arms), Bead Lock Exhaust Valve, 1.600'' x 5.100'' Overall Valve Length (Pedestal Mount Rocker Arms), PAC Racing Valve Spring: 1.290'' OD Hydraulic Roller Dual Valve Spring, 135 lbs on seat, .600'' maximum lift, Thermactor Air Injector on Emissions Legal Heads Only, Standard 2'' Spacing Exhaust Bolt Pattern, Accepts Factory and Aftermarket Headers, Use 14mm x 3/4'' reach gasketed (NOT tapered) seat plugs. I also used a comp 282S SFT cam and 1.7 probe shaft rockers with beehive springs. They're manufactured from tough but lightweight A356 aluminum and feature 185cc intake runners and 64cc combustion chambers. Here you can see the LS Enforcer cylinder head's 210cc cathedral intake ports, 64cc combustion chamber with 2.02/1.60 valves, and 82cc exhaust port. Good to know. Check the Fit, Estimated USA Ship Date: This budget friendly head is perfect for your 302 to 363 Cubic Inch operating below . You can cut a man's tongue from his mouth, but that does not mean hes a liar, it just shows that you fear the truth he might speak about you! From what I remember.. HP alone won't kill a 5.0 block,.. as HP+high RPM is what seems to crack them..". deck, stock valve locations, and are designed for blocks with a minimum bore of 4.000 in. So, without these heads sitting under heat lamps on the AFR counter, either coordinate with your dealer or get your order in early. I wonder if you can open them up to a 190cc hmmm that price though Im almost hesitant giving them my cc number lol. The other looming question mark, rpm, is just like adding cubic inches. It shouldn't cost too much more to go to 205s or larger, which I think would be more appropriate for a 331 or 347 at 7500 RPM. by David Vizard Sat Mar 05, 2016 9:55 am, Powered by phpBB Forum Software phpBB Limited, General engine tech -- Drag Racing to Circle Track. These smaller valve sizes will clear the stock pistons at least on the circumference so they have been a popular choice as a replacement head for a bolt on power deal. Currently there is no Competition Package for the 185 head and there are no plans to offer one even remotely soon. 2023 Power Automedia. SBF Renegade - 20 Cylinder Head Our RENEGADE line of cylinder heads for the small block Ford, feature 100% 5-AXIS CNC ported intake, exhaust and combustion chambers; available in street and competition versions. For a better experience, please enable JavaScript in your browser before proceeding. Well I finally got a reply from AFR today. item 1 AFR 1351 SBF 185 Enforcer Cylinder Heads, Assembled AFR 1351 SBF 185 Enforcer Cylinder Heads, Assembled. I would consider buying them from Ford Strokers as he usually sells them with upgraded springs. They were obtained at Westech, using a SuperFlow 901 engine dyno: Details & PricingAs noted in the main text, the 165 and 185 AFR heads are practically identical, save for the intake ports. PTP Engineering front suspension and 25540R17s all around. Shopping for performance parts like you were looking through the Sears Christmas Wish Book while accepting the sellers claims of their product being the next best thing since sliced bread is not how "proper" engine build are done. As it happens these stock valve events are also way off for the stock heads. Period. 185cc SBF Enforcer Cylinder Head. by unfairlane Wed Mar 02, 2016 7:20 pm, Post Part #1422 & 1492 are street legal in 50 states for 1995 and older emissions controlled vehicles under CARB EO #D-250-3. We made our own dyno numbers, of course. The Competition Package is aimed at the exhaust side of the head, and is "a more detailed port," according to AFR. I think the RPM that they get shifted at has a lot to do with it. AFR's 185cc SBF Enforcer Cylinder heads feature our Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. 185cc SBF Enforcer Cylinder Head - Small Valve. Sold in Pairs, 2/pkg. The e-mail address that you entered is either incorrect or invalid. Come join the discussion about performance, production numbers, VIN decoders, modifications, troubleshooting, power adders, DIY tutorials, and more! of water. Started project fall 1993, hopefully back on the road soon! Here is the specs of the Renegade AFR heads the produced 410 lbs-ft of torque and 431 hp from 306 inch (0.030 bore) using a 270 hyd roller cam and pump gas for fuel. Speaking of which, what we tested were box-stock, standard-production 165 and 185 AFR heads. We are fellow Americans, and that's an association that means more to me than any other." The program tends to be a little optimistic, but that should give you an idea of possible gains. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. deck, stock valve locations, and are designed for blocks with a minimum bore . THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. In fact, we figured the heads were machined from the same casting, and while AFR says it is possible to whittle a 185 head from a 165 casting, that's not the way the company does it. So, you could have a nitrous'd, 8,000 rpm 302 on one hand or a 427 Windsor bumbling around on the street and be able to use pretty similar cylinder heads. We strongly recommend using 7/16" rocker studs with today's fast cam rates and RPM capabilities as 3/8" Rocker Studs can occasionally break. There's a good reason why I have them. Today, Estimated USA Ship Date: $5 Off Your $100 Mobile App Purchase - Get the App. Performance & security by Cloudflare. Msg. For those who know me, i've resisted the temptation to buy horsepower rather than "making" horsepower. Its got 6000 miles on it and oil pressure is right where it was when the engine was fresh. AFR has answered the popularity of Chinese heads. The higher the rpm, the more air the engine uses. Just built another engine for my buddy with AFR 185's and a Trick Flow stage 1 cam. Since it uses the same spring and valves as the LS head, it only makes sense that the SBF Enforcer uses the same 7-degree steel retainers and valve locks, too. These Builds Might Help, Borla Active Performance Sound Is Coming to Make Your EV Sound Exhaustively Less Electric, Ford of Europe Is Going More Murican by Introducing Bronco and More SUVs, A Ford Mustang GT3 and New Performance Pickup Could Come Sooner Than We Think, The 2023 NASCAR Clash at the LA Coliseum Was Another Hit, Exclusive! Copyright 2023. air flow research. all rights reserved. But this month, as we get tuned up for higher performance intake manifolds to come, we're doing our best to answer a lingering question about choosing between Air Flow Research's 165 and 185 cylinder heads. 500HP seems to be the limit give or take. That's because in our combination, the 185 heads ran neck and neck with the smaller and supposedly torquier 165 heads up to 3,900 rpm plus a little, but from 4,000 rpm up to 5,800 rpm, where our camshaft had given up, the 185s exhibited a distinct advantage. Maybe with a 264-270 single pattern hydraulic roller on a 106-108 lsa? Msg & data rates may apply. Emission legal cylinder head features 5/8''-11 through hole used for connecting emissions equipment (firewall side). Probably the largest single difference is the addition of material in dead flow areas. Not saying they aren't on borrowed time but you have several people with a season of 8 and 9 second passes on stock blocks that dyno over 500hp, 600s in some cases. You will not sacrifice power down low, especially if you get a cam to match the heads. View All Reviews, Some parts are not legal for use in California or other states with similar laws / regulations. Next-Gen Ford Mustang Shelby Spied Testing. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. by David Vizard Wed Mar 02, 2016 9:21 am, Post The SBF Enforcer uses the same premium-grade, chrome-silicon, 1.290-inch-diameter dual valvespring as the LS head. AFR's 185cc SBF Enforcer Cylinder heads feature our Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. Estimated to ship direct from manufacturer on 06/19/23, pending manufacturer availability. I love how we can have a civil conversation about this topic. Ed? Post Are they really that good? JavaScript is disabled. Tracy, The new AFR Renegade 185 heads flow as well as the old AFR 205 heads. The 1.55-inch OD dual valvespring is designed for hydraulic-roller street applications. Please see footnotes for additional information. It houses a 2.020-inch stainless-steel intake valve and a 1.600-inch stainless exhaust valve, both in the familiar 8mm small-block stem diameter and riding in bronze valve guides. Free Shipping - AFR 165cc SBF Renegade 20 Degree Street Heads with qualifying orders of $99. However, unlike the LS head, the SBF version features an adjustable pushrod guide plate. Even though these heads produce strong results as just a bolt on they are somewhat hamstrung because the valve events produced by the stock camshaft are way off what is typically suitable. [Hot Item] Sbf302 for Ford Renegade Cylinder Heads 302/351W, [Hot Item] Sbf for Ford Renegade Aluminum Cylinder Heads. Im pretty new to building engines and stuff so idk what would be the best combination. David, Was any port matching done to the heads or intake? 1.7 shaft rockers and beehives. Need Some Inspiration for EV-Converting Your Classic Car? Whether you are building a whole new engine, or just trying to add some power to your current project car, cylinder heads are a crucial component. They also come with a much better spring and valve package stock then the older heads did. When you add in the time for R&D and CNC-machiningto shape the ports and combustion chambers that Air Flow Research is known for, the selling price of the heads is understandable. While the Enforcer line might be a budget-oriented cylinder head, you wouldn't know by looking at it. Well, unless you're building a 302 Clevor with closed-chamber Aussie heads then, hands down, the AFR "Renegade's" and, if it's a 8.2" block then the 165's. SBF 185cc Competition Package 58cc chambers Stud Mount No Parts, SBF 185cc Competition Package 72cc chambers Stud Mount No Parts, SBF 185cc Competition Package No EGR or Air Pump Strip Head 58cc chambers Stud Mount NO PARTS, SBF 185cc Competition Package No EGR or Air Pump Strip Head 72cc chambers Stud Mount NO PARTS, SBF 185cc No EGR or Air Pump Strip Head 58cc Stud Mount No Parts, SBF 185cc No EGR or Air Pump Strip Head 72cc Stud Mount No Parts, SBF 185cc Street Heads 58cc chambers Stud Mount NO PARTS, SBF 185cc Street Heads 60cc chambers Pedestal Mount NO PARTS, SBF 185cc Street Heads 72cc chambers Stud Mount NO PARTS, 185cc Renegade Street Aluminum Cylinder Heads SB-Ford 58cc Combustion Chambers, 185cc Renegade Street Aluminum Cylinder Heads SB-Ford 72cc Combustion Chambers, 185cc Renegade Street Aluminum Cylinder Heads SB-Ford.
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afr 185 enforcer heads vs renegade