World products heads casting numbers. I'm hoping someone here can tell me more about them.

World products heads casting numbers. 00 Jan 31, 2010 · I have a pair of angled plug cast iron cylinder heads that have the following markings 1-037 NH 92 G08 Now I believe these are World Products Sportmans IIs 200 cc intake runners Now my question is are they 64cc or 72cc chambers? Is there anyway to tell from the markings above? Thanks in advance for your help. 280@. They have a W cast into them, which was a nice surprise seeing that most of the cars I buy have standard fare rebuild motors. 94 intake, 1. Some, but not all, truck heads are similarly marked with the word TRUCK. 02 / 1. Small Block Chevy Casting Numbers Please see the attached charts to help figure out exactly what you have. Here's pictures of the LHS or drivers side, a bit blurry, but I wrote down what is says: Says: W E14 Says: 93 NH and what looks like and hour code, just Nov 24, 2019 · These heads are on a engine built back in the 90s. Looks like the smog head on the outside, but has racing head features like an extra-thick deck, screw-in rocker arm studs, and raised valve cover rails. Feb 12, 2004 · I have a set of World Roush 200 Heads basically World Sr heads with a lil tweaks. If the pushrod has Interference with the cylinder head, remove the cylinder head, grind the casting the needed amount, clean the head after grinding, reinstall the cylinder head using the mock up procedure and recheck the clearance. Sep 24, 2008 · This head has the best flow numbers of all the category 2 heads. I found a really good deal on a set of these WP S/R Torquer heads to replace my 882's These heads have 1. Note the word PASS at the upper left. Valve Spring Pockets: 1. We offer World Products engine blocks & cylinder heads with affordable prices from RPM World, Sportsman II Cast Iron Chev SB Head, 64cc, AssembledBR 64cc, Angle, Stage 1 Assembled, PairBR Continuously improved since its 1987 introduction, the Sportsman II is still the industry's most popular cast iron performance head. However, with the valve springs on the –2, -3 & -4 heads, it is highly recommended to use a full roller rocker arm. I'm not a big fan of World heads. Feb 9, 2020 · I'd say they are older castings that have sat around for a number of years. These Head are designed with extra-thick decks and walls for improved reliability as well as equipped with hardened steel exhaust seats that are compatible with todays unleaded gasolines. World Products 053040 – Cylinder Head Cast Iron Ford Small Block WINDSOR SR. History LS Engine Guide: Decode Cylinder Heads! The LS engine family features distinct cylinder head casting numbers for each variant, including LS1, LS6, LS2, LS3, LS4, L99, LS7, LSA, LS9, LQ9, LQ4, L92, and L94. The numbers that u see are the only numbers that are on them. These raised numbers, often visible on the vehicle’s engine block, provide the series number, displacement range, and date and location of its manufacture. These heads feature RightCast technology assuring optimum port accuracy, screw-in rocker studs, 1. 600". 650/199@. The most common heads sought by engine builders are ones identified variously as the "Camel Back," "Double Hump" or "Humper" heads used They are the aftermarket's only 50-state emissions legal cast iron high performance cylinder head (EO #D-343-1). 50 exhaust, 170cc runners, 58cc chambers. 600˝, Bare Castings When it comes to high performance replacements for factory cast iron Head, World’s WINDSOR SR. Was this a casting before the World /Dart split ? I think later World cast their's with a big W and foundry info and Dart did the same,putting their name on the side. 88 valves 3/8 stems double springs 1. . Identifying these numbers is crucial for engine builders and enthusiasts seeking compatibility and performance upgrades. 60 Valves made by World Products, for as low as $652. We've seen 650 HP and beyond with a single four-barrel and a classic 427 cubic Jan 23, 2007 · I have a set of world products head on my Suburban and I can't ID which heads they are. 736" bore). World Products 030040 – Cylinder Head Cast Iron Chevy Big Block MERLIN 269cc Oval Port 269cc 119cc 26Degree 2. These heads are Aug 26, 2025 · World Products Aluminum Windsor Jr. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. 19/1. Large intake & exhaust runners like double hump head Extra-thick decks and walls for improved reliability Bill Mitchell Products 702451 - Chevy Small Block Stud Girdle (World Products Motown 220 Cast Iron Cylinder Heads) $270. After a quick google search I find that they are aftermarket heads from Shop World Products Cylinder Heads and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. 940″ x 1. The cast iron MERLINS are available in both oval and rectangula Jul 15, 2013 · A friend gave me a pair of what appear to be 180-200cc port ,64cc chamber heads. has the market covered with 180cc intake runners, plus the 64cc exhausts ports are substantially larger than OEM Dec 21, 2020 · The I-036 number looks like a designation that world products uses on their heads. One head has 1-037 on it. Oct 15, 2009 · Head casting numbers10-4 on the peanut ports. All I have are 3 different spots that say “S/R 1-052” “W D20” and finally “95 NH”. 98. 880″, Bare Castings World’s MERLIN series has earned a reputation as the performance industry standard for Big Block Chevy power. 700 on intake and 191@. World Products 030620 – Cylinder Head Cast Iron Chevy Big Block MERLIN 320cc Rectangle Port 320cc 119cc 26Degree 2. You should also know that all World Products heads are precision CNC-machined, and indexed off the chambers to assure perfect alignment with the cylinders. There seems to be a date stamp on the driver's side head of 071094. More pic and all numbers would help. I'm hoping someone here can tell me more about them. All heads include screw-in rocker studs. S / R Torquer Cast Iron Cylinder Heads Technical Instructions for assembled & bare head part numbers: 042660- Bare (Straight Plug, 67 cc Chamber, Cast Iron) 042660-1 Hydraulic Flat Tappet Camshaft (Straight Plug, 67 cc Chamber, Cast Iron) 042660-2 Mechanical Flat Tappet, Hydraulic Roller (Straight Plug, 67 cc Chamber, Cast Iron) If the pushrod has interference with the cylinder head, remove the head, grind the casting the needed amount. Bare Casting World’s S/R cylinder Head are the preferred alternative to expensive OEM castings or junkyard rebuilds. Other features include leak-free Dec 28, 2008 · You will be way ahead of the game if you start out with some Dart, AFR, or other castings - I have had nothing but complaints about anything world products as out dated design, poor casting quality, and poor finishing. Using premium materials and state-of-the-art manufacturing, World Products ensures the quality of every casting. Technical instructions for assembled & bare head part numbers: 011150 I-037 Bare head, 23°valve angle, 200cc intake runner, 64cc chamber, angle plug Jul 4, 2013 · I've got a 350 Chev Small block and trying to figure out the heads on it. 60, Assembled Stage 1, PairBR Designed to combine high velocity and superior flow. The cast iron MERLINS are available in both oval and rectangul Oct 2, 2008 · The heads produce flow numbers competitive with the Victor series race heads, but they still maintain compatibility with off-the-shelve components. Both would be cast iron, straight plug heads, with porting and combustion chamber modifications allowed. 180cc 58cc 20Degree 1. This is cast on almost all passenger car heads. Big Block Chevy Merlin III Cast Iron Rectangular-Port Cylinder Heads. 600″, Bare Castings When it comes to high performance replacements for factory cast iron Head, World’s WINDSOR SR. with the valve size, chamber size and flow numbers they post online I can not figure out why I done see more of these being used. Adding 2. Are these decent heads??? Windsor JR Cylinder Head for 302 Ford Engines Designed for enthusiasts looking to unlock serious power from their 302 engines, the World’s Windsor JR cylinder head is a high-performance, cost-effective replacement for factory cast iron heads. 51 dia. 67 cc chambers ? More performance and less expensive than rebuilding used heads. 600/275@. Im running the zz4 roller cam gmpp crate motor. Feb 7, 2004 · If you call World Products they will tell you which heads you have based on the casting numbers, they all have some form of ID. No more searching junkyards looking for cylinder heads for your motor. Other features include leak-free fully Chevy casting numbers for blocks and heads for small block V8 engines by Mortec. World Concept Heads, Cast Iron, 58cc Chambers, Ferrea Competition Valves, Fully Machined, Assembled heads, Wissota B Mod, Street Stock, SB Ford, Pair of Heads Learn More We use this head in multiple sanctioning bodies and in multiple classes. I also have a set of sportsman 2 heads I acquired setting on the shelf and am trying to decide which to use. 300″ x 1. To my surprise there are no casting numbers. 94/1. 020˝ x 1. You are here: Home / Cylinder Heads / Chev SB Cylinder Heads / World Products Cylinder heads 8 World S/R Stock Replacement Cast Iron Chev SB Jul 1, 2001 · World Products have been casting their own small-block heads and now they have a bigger better small-block head, Mo Town 220 cast iron cylinder head from Super Chevy Magazine. Jul 9, 2020 · Casting numbers are incredibly important for a car owner to understand when buying and installing new parts in their engine. We prefer the dart casting over the other options in these series allow. The cast iron MERLINS are available in both oval and rectangul Nov 4, 2006 · The 882 head is a 151 cc intake runner, so basically they are comparing a World products head to a small port smog head from the 70s. Heads to be used on my 351W build. The "W" is a World casting mark. BR Windsor Jr. 48" stroke x 3. 880″, Bare Castings World Products MERLIN series has earned a reputation as the performance industry standard for Big Block Chevy power. I can't find a typical casting number, except the following: W 93 S/R J03 NH I-052 The heads are on Aug 15, 2004 · The heads are World Products I believe. 200cc 64cc 20Degree 2. Where would the numbers be at?? I dont think their factory heads. 550 in. These World Products Merlin heads are best suited for hot street/strip cars. 050 I and 268 at . This includes a valve job that flows well and is concentric for a good valve seal. To the right of the casting number is an hour code indicating the time of day the part was cast. 940" x 1. 650/. I have no problems with them and im very happy. The casting numbers do not jive with the current merlin heads on the website. I haven't heard anything back from World Products yet. Addition information World Products 053040 – Cylinder Head Cast Iron Ford Small Block WINDSOR SR. Now they are getting even better with CNC machining. Around the mid 1980s, several companies including Brownfield (which was eventually purchased by AirFlow Research), World Products, Brodix, Dart, and others began producing aftermarket iron and aluminum cylinder heads that were substantially better than the original small-block Chevy castings. Jun 15, 2015 · So out of curiosity I pulled my valve covers off to see what heads are on my small block. Mar 26, 2019 · I found these WORLD S/R 170cc heads and figured they would be a decent upgrade and more reliable (IRON) then my L98'S. World Products Cylinder Heads in-stock with same-day shipping. Feb 5, 2015 · Re: world products sportsman 2 head exhuast flow by needforspeed66gt » Thu Feb 05, 2015 4:48 pm I'm not a big fan of World Products, but those heads will flow decently once ported, I just looked at one of our old flow sheets and they were doing 270@. Aug 10, 2007 · The only numbers I can see on the fronts of my heads are a small 4 and a 6 which is about 5/8" tall. For the Z11, it’s all about the heads and intake and in a minor way, the crank and rods. Most flow numbers for World Castings heads come from their Web Site updated Dec. 550 spring pockets, dual bolt pattern exhaust and highly efficient combustion chambers. 940"x1. Free shipping when your order includes this part. “As far as I know, we are the only ones casting these 305 iron heads,” said World Products ’ Marketing Director, Jack McInnis. The extra thick decks and walls improve reliability. The rectangular port heads are available with a larger chamber for forced induction and pump gas motors. Jun 11, 2022 · GM 12691728 Many of the adds for these cylinder heads state: "The Vortec head out flows the Bow tie head out of the box and is a 20 to 40 horsepower bolt on increase over earlier cast iron small block heads. If building a street engine, or a 4x4 off road engine, there isn't a Apr 1, 1999 · The World Products-torquer head is the larger-valve version of World's Stock/Replacement (S/R) casting, which, as its name implies, is the straight replacement for the production iron heads. World Products 030630 – Cylinder Head Cast Iron Chevy Big Block MERLIN 345cc Rectangle Port 345cc 119cc 26Degree 2. Flow Numbers for World Products Windsor Senior Heads for a small block Ford. Pro's and con of each please. Nov 19, 2020 · World Products' Merlin cast-iron cylinder heads have been a staple in the aftermarket. World Products has been producing affordable high performance cast iron engine blocks and cylinder heads for over twenty five years, begin-ning with a pioneering small block Chevrolet cylinder head and continu-ally expanding the line to become a leading aftermarket manufacturer. These heads all include screw-in studs, guide plates, performance valve Dec 21, 2013 · I jus bought a used pair of world products #4266, 2. 050 exh solid roller in a 3400lb Malibu. (Photo World S/R Small Block Chevy Cylinder Heads, Straight Plug, 2. These numbers help determine engine specifications and compatibility with other parts, such as cylinder heads and crankshafts. 60 heads they are the stock replacement Style boasting up to 30 up hp gains over the best stock chevy head. Sep 24, 2010 · Which heads are better for street/strip 383? The 64cc Sportsman II's with 200cc runners or 64cc Bowtie that had 185cc runners then got some light porting/polishing. World, Sportsman II Cast Iron Chev SB Head, 72cc, AssembledBR 72cc, Straight, Stage 2 Assembled, PairBR Continuously improved since its 1987 introduction, the Sportsman II is still the industry's most popular cast iron performance head. These heads come with hardened steel exhaust seats compatible with unleaded gasoline. World Products first design was a cast iron head for the small block Chevrolet that delivered Aug 15, 2024 · Chevrolet engine casting numbers are unique identifiers stamped on engine blocks for identification purposes. 600/195@. We take it and apply our high quality workmanship. Capt, what is the casting # on the cylinder head in the left of the photo? I have the 353049 casting heads on my 454. ” Mar 20, 2010 · Later heads were based on a World Products casting that was mildly modified, but in the most critical places, such as chamber bowl, inlet and exhaust gasket size, etc. Cast Iron Ford SB Head, Stage 1 Assm. Use the Part Number to determine which version of the head you have. The world product ID 052 list them as S/R torquers which are supposed to have 202 valves. they look identical to my World 200cc heads I have. " Which is difficult to understand because no other casting numbers are used. Oct 25, 2015 · Trick Flow TFS-30310001 and World Products 042650-1 cylinder heads for a small cubic inch 23 degree Chevy. Do any of the professional engine builders here have any experience with these on a 305 Chevrolet small block (3. Other features include leak-free fully World Sportsman II Small Block Chevy Iron Heads, Angle Plug made by World Products, for as low as $1,462. 500" 87 and up. I like the deal World Products Small Block Chevy S/R Torquer Cast Iron Cylinder Head 170cc Intake Ports Part Number: 955-042660 Product Q&A View Now Click image to zoom World Products World Products has been producing affordable high performance cast iron engine blocks and cylinder heads for twenty five years, beginning in 1987 with a pioneering small block Chevrolet cylinder head and continually expanding the line to become a leading aftermarket manufacturer. 600" Angle Plug, Bare Castings The first available true aftermarket performance cylinder head, good for 30-70HP over stock, and emissions legal! World Products 053030 – Cylinder Head Cast Iron Ford Small Block WINDSOR JR. Rocker Arm Studs: -1, -2 & -3 cylinder heads use a 7/16 rocker arm stud. They are cast 1-043D which is the 269cc oval port head They have 2. Jan 20, 2007 · They do have other numbers, 1 of them has F11 NH 92 and the other has L23 NH 93. 600″, Bare Castings When it comes to high performance replacements for factory cast iron Head, World’s WINDSOR JR. Buy Merlin Cylinder heads at JEGS High Performance. LOL,,,If you call World about your Dart heads they probably won't be real helpful As I remember, the Darts should have a long number stamped on the end just above the deck surface that will id them. World, Windsor Jr. Replacement part # 830480 -4 cylinder heads use an ARP 7/16 rocker arm stud, available under World Products part # 830485 World Product 030630-1 Big Block Chevy Merlin III Cylinder Head Features:For Hydraulic Roller Camshafts24-degreeCast iron1. Couple of years ago I pulled the 292's and installed a set of cheapo Chinese heads Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads World, Sportsman II Cast Iron Chev SB Head, 64cc, AssembledBR 64cc, Angle, Stage 2 Assembled, PairBR Continuously improved since its 1987 introduction, the Sportsman II is still the industry's most popular cast iron performance head. Cylinder head casting numbers are usually located on top of one of the intake runners. If you see my for sale ad under performance they are clearly Rectangular Port Heads. 180, 58cc/180cc, 1. Engineered with a highly World Products 043600 - Cylinder Head Cast Iron Chevy Small Block S/R 170cc 76cc 23Degree 1. Other features include leak-free fully Jan 25, 2012 · Anybody have any information on these castings? 10088113 chevy aluminum factory heads Flow numbers? What would be a good deal on these heads? Would they be suggested? Anybody use them with positive results? Thanks Purchase Merlin cast iron cylinder heads online. With 180cc intake runners and 64cc exhaust ports, these heads ensure significantly improved airflow over OEM Ford heads. 02/1. Valve Springs. It's an exotic development that makes tremendous power. Chevrolet small-block engine information: Chevy V8 casting numbers, bore and stroke, parts for sale, engine building, Chevy restoration and racers. like the guys say the CNC Alum heads do have better flow numbers on paper. Nov 26, 2010 · We need the casting number to ID the heads. CHP - Means these numbers come from Chevy High Performance MagazineWeb Site. Apr 2, 2005 · There are two aftermarket SBC cylinder heads under consideration, the World Products S/R and the Dart Iron Eagle. World Products 011150 - Cylinder Head Cast Iron Chevy Small Block SPORTSMAN II 200cc 64cc 23Degree 2. Offering great flow throughout the entire lift range you can see this head doesn’t just put up one big number at maximum lift. Our Merlin BBC heads are high-quality and will out-perform larger heads. the one thing that is certain is that alum heads are lighter. Like's and dislikes? I'm thinking about a set of heads for my 1986 Monte Carlo LS project. May 10, 2009 · World Products Cast Iron Heads 4351 4350 4205 4256 4257 ( by part numbers ) 67cc, 162cc intake port 76cc, 162cc intake port 58cc, 162cc intake port, 305 torquer 67cc, 172cc intake port, torquer 76cc, 172cc intake port, torquer If the pushrod has interference with the cylinder head, remove the head, grind the casting the needed amount. Jul 6, 2019 · World Products S/R Torquers copied the chamber of the old "camel back" heads, have a slightly larger intake runner and outflow the old "camel back" heads! By the time you get the Vortec intake to go with the Vortec heads plus the new rocker arms they are no longer that inexpensive, but do flow better than those mentioned above. 700 exh If the pushrod has interference with the cylinder head, remove the head, grind the casting the needed amount. Like what you read? Get the full book to learn more! Jul 15, 2006 · World Products S/R Torquer Heads??? See My 2nd Post Below Well, need advise again guys. All the machined surfaces get ran across our machining centers to give you a high quality product. Jan 24, 2015 · Have a dilemma on my bracket beater, right now running 292 turbo heads ported job looks good no flow data. I don't see any extirior numbers, just under the valve covers. but like the guys at world say that is not the only thing that makes a head. “If you notice, these heads are designed for durability with extra-thick decks and walls, as well as hardened-steel exhaust seats for modern gasoline formulas. boasting 200cc ports, plus 64cc exhausts ports that are substantially larger than OEM Ford Head. These puppies are nasty. 19 / 1. Manufacturers such as Airflow Research, Dart, Edelbrock, Brodix, Trick Flow, Canfield, World Products, and others all offer ready to run high-performance street cylinder heads in various configurations to fit your needs. 500" Straight Plug. Chevy small-block engine head casting numbers identify the model year, horsepower range, valve and chamber size and the size of the intake and exhaust ports. For a while the Bow Tie head held its own, and there was even furtive interest in the ’88 and later Dec 27, 2004 · Does anyone have information regarding the casting and ID numbers found on the heads where the rockers are? I just did valve cover gaskets this past weekend and wondered if these numbers would be able to tell me anything about the heads, without actually pulling the head off itself! This is what the markings are: W NH 1-037 G18 95 This is the driverside head, both heads have identical markings Best known for their cylinder heads, World Products shares their horsepower secrets so you can benefit from years of engine building and dyno testing. Dec 18, 2005 · I am trying to ID which world heads I have. Dec 9, 2005 · Some of the casting numbers you see the most are 461 (no bolt holes), 462, 492, 186, 041, 041X, 291 (no bolt holes), 292 (over-the-counter GM race head) Those used to be the heads we all ran, for years and years, back before CNC casting made possible the whole aftermarket head industry as we know it. Valve Sizes: 1. I originally thought they were dart iron eagles based on the number stamped on the front but they're brass/ gold colored and say summit on the front. World Products Cylinder Head Cast Iron Chevy Small Block S/R Stock Replacement 170cc 23Degree 1. 020" x 1. It is largely irrelevant for most purposes. Made for a 305 but I have a 76 355 with flat top pistons and a 222/222 GM cam. Stage 1 assemblies feature Free Shipping - World Products Merlin Cylinder Heads with qualifying orders of $109. Aug 14, 2014 · Look under the hood with CarTech Books’ complete cylinder heads guide for big-block Chevrolet engines. Feb 27, 2017 · They're on the mild 350 in my El Camino and aren't staying long. I am going to guess they are EARLY Sportsman II heads when world and Dart were working together. 88s helped them breathe slightly better, but the ports needed worked a little to take full advantage of the bigger valves. Casting Numbers My research found ten block casting numbers that apply to the 348 and eight for the 409. Bare Cylinder Head SB Ford 289, 302, 351W. Part Numbers are located and stamped on the ends of the heads prior to 2005, then engraved on the ends of the heads after 2005. 16. The machined valve cover rails help to eliminate leaks. 020″ x 1. 550". My other videos on these heads:Polishing, smo Re: FlowBench numbers on various SBC heads 07-03-02 04:56 PM - Post# 113463 In response to 67chevy What do you find is the most effective areas to work when porting vortec heads intake and exhaust? In the mid-1990s, aftermarket aluminum cylinder heads gained dominance in the cylinder-head market. Engine is a 355 with a 630 lift, 260 @. But interestingly, the Z11 engine block is actually a production 409 model, even to the point of sharing the same casting number. Which bowtie heads do these outflow? IRON SBC/LS HYBRID BLOCKS It sounds simple on the surface, but it's a masterful example of World Products' engineering prowess: We've redesigned the basic small-block cylinder block on the inside to accept modern GM LS cylinder heads and aspiration equipment. Shop Cylinder Heads at Summit Racing. CCM - Means these numbers come from Car Craft Magazine Web Site. Clean the head after grinding then reinstall the head using the mock up procedure and recheck the clearance. Those are most definitely World Casting. the only casting numbers i have found on them are 8408??? anyone have a catalog???? I sent them an E-mail yesterday and the phone was busy today. HPMM - Means these numbers come from High Performance Mopar Magazine Web Site. World is known for consistent and standardized casting specs, which simplifies the identification process, with each World cylinder head model containing unique casting numbers that identify each World product. Featuring RightCast 200cc intake runners and fast-burn chambers, they're good for 30-70 HP increase right out of the box. Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. Mar 7, 2012 · I am looking at building a new motor for Nitrous and was wandering if anyone has used or know anything about the Man-o-War block and 10* heads. A quick product overview of the World Products Sportsman II Iron Performance Cylinder Heads. Are there real performance differences between the two? If so, why? Any comparisons on the internet? Thanks in advance. World, Sportsman II Cast Iron Chev SB Head, 64cc, AssembledBR 64cc, Angle, Stage 3 Assembled, PairBR Continuously improved since its 1987 introduction, the Sportsman II is still the industry's most popular cast iron performance head. '11. 5g cl8dm4 pft11 yhne ilnn lugm g5xvm smfdtfz kk9 rmets