Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. Cylinder head porting refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve quantity of the air flow. Afrs enforcer smallblock ford cylinder heads make a great budgetfriendly alternative to the classleading renegade lineup of cylinder heads. Afr heads reported 75 more hp with just a head swap to the 165s stock everything else.
Porting for late model twin cam heads up to year 2004 castings. Do not use your afr gasket as a template to port match your. If for any reason you purchase a set of heads from srh, or have yours ported, and they dont perform like we discuss, send them back and i will work on them until they do, free. High volumepressure oil pumps if you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption. Cnc ported 217cc dart iron eagle platinum cylinder head. If you need the worlds finest high performance streetstrip small block ford heads, then check out afrs 185cc emissionslegal renegade street cylinder heads. Click the video below to see just how easy cylinder head porting is. Unfollow afr cylinder head to stop getting updates on your ebay feed. From fbody to corvette, sierra to silverado, g8 to gto, we carry everything for making power with.
Basic porting techniques for chevy smallblock cylinder heads. Builders of aluminum rod engines should consult the manufacturer for recommendations. Dave localio is a longtime friend of ours and the owneroperator of headgames motorworks, a cylinder head specialist founded in new jersey in 2001. Air flow research high performance cylinder head specialists.
Race heads offer both the head and intake cnc ported components. At mikes racing heads we understand that every little. Total engine airflow specializes in cnc ported aluminum cylinder heads, custom cylinder head assemblies, and support components for gm, ford, mopar for streetstrip, competition, and racing. The result is a ten percent improvement over the unported ls9 head. While our 195cc, 205cc and 220cc heads are designed for aggressive. Our magnum line of cylinder heads for the big block chevy are available in oval port designs with runner volumes of 265cc, 290cc, and 300cc or rectangular ports with 305cc, 315cc, 325cc, 335cc, 345cc, 357cc, 377cc and 385cc runners. After our performance prep modification your heads will be superior mechanical. Afr 185cc sbf renegade 20 degree street heads 1420 free. With a 185cc intake runner size, the heads fall into the. Dave and his team have amassed a huge amount of experience and expertise and are now creating some of the best performing cylinder head and cam. Afr 195cc sbc eliminator street heads 1036 free shipping. Vehicleengine search vehicleengine search makemodel search.
Also available with 100% cnc chambers for increased air flow see chart. Special thanks to fox elipsus for his superb intooutro music. Also available with 100% cnc chambers for increased air flow. The cnc ported ls9 heads blend the engineered strength of the ls9 cylinder head design, which is constructed with a356t6 aluminum alloy, with the airflow enhancements provided by gms extensive testing. Cylinder head porting head porting basics get more power out of your cylinder heads by following five easy rules. Like most ideas, this one started out with a simple statement. Industrial aluminum oxide sanding rolls, designed for both cast iron and. Properly ported vic jrs should perform better than ootb afr 220s. Cylinder head development cylinder head repair cnc. Performance cnc 5axis cnc ported racing cylinder heads. Ported and polished gt40p heads will run right with box stock afrs as long as the right cam is used. Bolt on a set of fully assembled heads for instant power gains or custom build your engines topend around a set of bare castings. A set of nitemare performance custom ported pontiac cylinder heads will get your more flow for less dough. All the aspects of porting stock and aftermarket heads in aluminum and cast iron are covered.
Manufacturer of high performance cylinder heads and manifolds for ford and chevy. Airflow research afr cylinder heads free shipping on. We can updatetune up your current cylinder head and manifold package to perform better than what. In addition to this responsibility, the cylinder head also plays a role with. Afr 195cc heads feature a 75cc or 65cc combustion chamber with a 64cc exhaust port and a 34 in. Afr sbc 245cc eliminator npp race aluminum cylinder heads. Total engine airflow tea cnc porting aluminum cylinder. Afr 195cc sbc eliminator street heads are fully cncmachined combustion chamber, intake, and exhaust ports and available in your choice of straight or angled plug versions. We offer offer 3 different levels of work on lt1 heads.
Dollar for dollar, cylinder heads are the best place to invest if your goal is to improve your engines performance. Even though cars nowadays are fuel injected, you will still see a performance gain by doing this process to your aluminum steel cylinder heads. Prc cnc porting service cathedral port heads customer. Gm performance parts for the lowest prices on the web. Afr 227cc sbc eliminator competition racing heads 1121. Even if you are planning to use a set of offtheshelf pistons, which provide.
Cylinder head polishing refers addressing the imperfections in the casting or during the porting procedure. Im not dissing afrs at all, i just think that the potential of the gt40p head is brushed under the carpet because of two reasons. Buy products related to porting tools and see what customers say about porting tools. Afrs 305cc rectangle port heads feature partially ported, full cnc chambers with no parts, a356 aluminum castings and high quality components throughout. Cylinder heads air flow research cylinder heads afr. Afrs 245cc competition heads feature 100% cnc ported.
Air flow research early years were defined by their highpowered porting of cylinder heads, innovative porting techniques such as fast burning chambers, dshaped big block chevy exhaust ports, hurricane chambers, and their cnc ported cylinder heads. Johnny hunkins photographer david vizard photographer. Afr heads with 270cc intake runners and 75cc chambers best 12 mile speed was, most runs were 126127the afr engine was built from an old d3 headed 429 that i built about 20. Afrs superior castings, superior performance, superior parts and superior products have put it as the leader in aftermarket cylinder heads. You can have a killer camshaft, valvetrain, intake manifold, carb, and headers, but if you bolt em to a weak set of heads. Afrs enforcer cylinder heads raise the bar for budget. Cylinder head porting has been an overused term for the last 20 years, and despite all the words written about this process, you cant go more than 10 minutes with any group of hot rodders before someone uses the term port and polished, which merely reveals their ignorance on the subject. The ultimate chevrolet ls cylinder head test speed parts testing we test a dyno room full of new chevy ls cathedralport heads. Here is an area where there is a tremendous amount of potential for success and also failure. According to tim torrecarion from afr, each head is made from a permanent mold casting and backed by afrs warranty and assembled with the same highquality components you would find in other afr heads. During the 2019 sema show held in las vegas, air flow research afr debuted its econoline heads, a budget, entrylevel cylinder head for the street guy with a bigblock or smallblock chevy.
We do offer aluminum cylinder head welding and repair. Seller is top shelf and committed to make sure we are treated right. Cylinder head porting services brzezinski racing products. The polishing stage is where you will get the last 10% of power and efficiency. Whats the max you can port victor jr heads ford muscle cars. Ultimate chevy biginch smallblock cylinder heads cheat sheet now we get into the heart of small block power. We can also offer\suggest a cam that would be best suited for your build and goals. Nitemare performance customported pontiac cylinder heads. Afr part naming system is explained along with how a core is made ready for cnc porting. Buy afr is the best at one thing connecting our customers with afr cylinder heads. Component upgrades and different machining options are available to. Removing some cast to make them flow a little better bbc heads. Afr bbc 305cc rectangle port aluminum cylinder heads chevy. Airflow research afr provides the best bang for the buck performance cnc ported cylinder heads available today.
Stan weiss cylinder head flow data at 28 inches of water dfw flw flow. With years of welding experience and top shelf equipment. But you dont have to spend big bucks to get good heads. Plus, you can turn up the horsepower even more by choosing heads with cncported.
From mild builds to wild builds we have you covered. Intake ports, exhaust ports, and cylinder heads are 100 percent cnc ported, with finer machine levels and improved portshaped details for optimum flow characteristics. If you do not have good cores to send in for porting, we typically will have some on the shelf. Unfollow afr cylinder heads to stop getting updates on your ebay feed. Air flow research advanced to full production of cylinder heads in the early 90s by incorporating advanced high density cast billet technology into their southern california facility. Air flow research afr small block chevy sbc camaro. Ultimate chevy biginch smallblock cylinder heads cheat sheet. All heads are made with a356 aluminum and are equipped with high quality components throughout. Afr 165 heads replacing gt40p ported mustang forums at.
How to make horsepower on pump fuel fullboost youtube. Do not use your afr gasket as a template to port match your intake. In 1979, afr pioneered cnc porting with their then revolutionary tape fed cnc machine. The price listed is for you sending your cathedral port cylinder heads 4. Afr has, over the years, pioneered many aspects of cylinder head design and development that we tend to take for granted these days. There are enough flow numbers on our website to keep everyone busy for a while. Our renegade line of cylinder heads for the small block ford, feature 100% 5axis cnc ported intake, exhaust and combustion chambers. Cnc ported rhs heads with weingartner racing port design assembled for solid roller cams up to.
All of our different levels of porting feature excellent quality port work and craftsmanship. Ford factory heads brodix aluminum heads world products heads. Vizard explains how to optimize flow paths through the heads, past. Hand porting cylinder heads on an olds 455 big block with. Stock engine hp gain with just ported heads and upgraded.