Sr torquer heads

These heads are designed with extrathick decks and walls for improved reliability as well as equipped with hardened steel exhaust seats that are compatible with today’s unleaded gasolines. 50 Valves Mar 9, 2013 · Im running a 355 with 10. They are machined for screw-in rocker arm studs for extra Jan 10, 2017 · Here is a list of SBC heads that I researched when looking at heads for my car (it was Word documents so it will be hard to read without tabs). 50-inch valve complement The World Products Torquer S/R is an affordable, iron stock replacement head offering a choice of 1. I'm ready for the last engine modheads. 21 Windsor Jr. Nov 27, 2004 · Northeast Nevada. Different foundries have been used through the years. He has a 327 with 62cc 2. Iron heads. World’s SR Torquer provides up to 30HP over stock heads. Like. They kept the same Holley 750 DP. Bolt on a set of affordable World Products S/R Torquer heads and add some serious muscle to your small block Chevy—up to 30 horses over stock. World, S/R Torquer Cast Iron Chev SB Head, 170cc/67cc, Assm. 5 and a 170 cc intake runner. 165cc intake runner. BTW, A head porter got 230 CFM out of my 1959 #550 283 heads through a 1. by PRH » Tue Apr 19, 2005 12:30 am. These are available from GM dealers in the USA for US $408 a pair, fully assembled. Restoration Cylinder Heads. i run them with a pocket port & 1. Exhaust are sma"er than on the Sportsman Il head page). The only numbers on the front side of the heads are a very large "6" and a small "8". More performance and less expensive than rebuilding used heads. Mar 29, 2004 · 1754 posts · Joined 2003. It has a 5. How much power could I pick up from port work, what port work should I do? It is a mild set up but it is race only. The bare head is 12529093. 94 valves and should work great on my 307 . Oct 26, 2005 · World S/R Torquer These heads have 170cc ports, 58cc chambers and 1. World Products 030620 Big Block Chevy Merlin Iii Cast Iron Cylinder Head. Find CHEVROLET 5. 60 valves can be 301 Moved Permanently. I'm not a expert on these Micro-Mouse Motors, although they could be used as a Pony Motor to start my big ones! Find World Products S/R Torquer Cylinder Heads 67cc Exhaust Runner Volume (cc) and get Free Shipping on Orders Over $109 at Summit Racing! Bolt on a set of affordable World Products S/R Torquer heads and add some serious muscle to your small block Chevy—up to 30 horses over stock. Automotive Machine Shop. The S/R Heads and the S/R Torquers are exactly the same casting. #3 · Mar 29, 2004. The other Vortec heads are part of the Bowtie series, bigger ports. Jegs sells them $379 each assembled. 01 ea. the world torquer heads are a very good casting. 02 heads. 5:1 355 with 3. Valve Job: Multi-angle intake and radiused exhaust. 020'' x 1. They also requires the use of self-aligning rocker arms. Estimated Ship Date: Jul 31, 2024 if ordered today. com There are a variety of Vortec heads but the standard replacement head is 12558060. $644. Jun 25, 2002 · The S/R T's have fairly small 171cc intake runners, but a larger exhaust port than any of the factory iron heads. rogersperformance. 020'' Int/1. World Products S/R Cylinder Heads 042650 Cylinder Head, S/R, Cast Iron, Bare, 58cc Chamber, 170cc Intake Runner, Chevy, 305 I have a 1994 4x4 I tow with. The heads make reasonable power as stock replacement heads, but there are certainly better heads available for a little more money. I'm looking at about $650. From what I have seen, the Vortecs will make more hp and torque than the s/r's. 500'' for S/R Torquer 305) Rocker Arm Studs: 3/8'' shank, screw-in style with hex More performance and less expensive than rebuilding used heads. My 307 has 600 edlebrock carb,performer intake,Crane 266 energizer cam and headers with 2 Dec 14, 2005 · Get the Dart IE180's with the 72cc chamber. like the article, with the head gasket I figured I lost 1. 94- inch intake valves with small bores. 60 valves with a 170cc intake runner. (0) $392. World Products 042670 – Cylinder Head Cast Iron Chevy Small Block S/R Torquer 170cc 76cc 23Degree 2. Apr 3, 2005 · The foundry was purchased by Comp Cams and will be returning under the old RHS head service connected to Comp years back. New Member. 67cc Combustion Chambers. 50/1. May 1, 2002 · The box-stock S/R Torquer heads flowed a peak 219 cfm on the intake at 0. If you need to buy replacement heads then my pic would be the World SR 305 torquer heads. What do you guys think? World Products S/R with 67 cc chambers and 170 cc intake runner World Products S/R Torquers with 67 cc chambers and 170 cc intake runner (2. Much more reliable than the old used castings. Just yesterday tested BBC iron heads #224-19000-360. They have a 58cc combustion chamber so you'll keep your compression, 1. 050”, . Determine the casting date of the World cylinder head. Accessory Bolt Holes: Stock. The s/r heads will bolt up to your stock parts, but I assume that you will be getting an aftermarket intake manifold when you buy the new set of heads anyway. Jumpstart Your Next Project! Find CHEVROLET 5. Check out their website - Dartheads. 0L/305 World Products Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Jul 15, 2006 · Well, need advise again guys. 3 angle valve job. 1755 - Cast Iron Cylinder Head Small Block Chevy 350. Jan 1, 2003 · Test 13: Install World Products S/R Torquer cylinder heads PN 042660-2 67S (67cc chambers, 170cc intake runner volume, 2. World Products S/R Torquer Cylinder Heads 042670 Cylinder Head, S/R Torquer, Cast Iron, Bare, 76cc Chamber, 170cc Intake, Chevy, 302, 327, 350, 400, Each Part Number: WRL-042670 Dec 3, 2008 · Right now I have a set of S/R Torquer heads from World Products(2. Assembled, Sold Individually. 50 E valves, and have the same runner size as the OE 350 heads. View Details. 940'' Int/1. Item Details Straight Plug, 1. 600'' Max Lift for Solid/Hyd. 020" intakes but with a 58 cc Combustion chamber. SIR ard SR Torquers have a seven exhaust flange. Would it be worth my time and effort to put them on my 355 to replace the S/R's? It has flat tops, . $1123. 460 reach, taper seat spark plugs. 460" reach tapered style, Accel 276 or 276S or equivalent. 6 E valve. 73 gears with S/R Torquer World heads. Standard Fel-pro head gasket. 500 Lift 220 intake, 151 exhaust (Super Flow 1050) 232 intake, 161 exhaust (Super Flow 600) All heads flowed with a standard . I have a chance to buy a set of new of aluminum Air Flow Research Heads (180 runner w/ 65cc chambers). 88 I valve and 193 CFM through a 1. 50-inch valves compared to the stock 305ci 1. #6 · Sep 7, 2007. 94 intake, 1. 00/pair. View Now. Small Block Chevy S/R Torquer Cast Iron Cylinder Head 170cc Intake Ports. Material: High density cast iron. 60 valves). 600'' Exh ValvesBare Head, Sold Individually 170cc intake runnerMaterial: High density cast iron Valve Seats: Integral intake,hardened steel exhaust Valve Size: 2. Hey guys, Im tryin to help a guy out and I need a plug reccomendation. Find many great new & used options and get the best deals for World Products 042670 Small Block Chevy S/r Torquer Cast Iron Cylinder Head at the best online prices at eBay! Free shipping for many products! Small Block Chevy 305ci S/R Cast Iron Cylinder Head. 00 they are in great shape and will just be a bolt on come the spring. Small Block Chevy S/R Torquer Cast Iron Cylinder Head. These cast iron heads feature: * Power-building 170cc intake runners Jun 20, 2010 · Pair of SMBLK S/R torquer heads Jump to Latest Follow 636 views 2 replies 2 participants last post by vinnynos454 Jun 22, 2010 Feb 10, 2011 · Register; Forums. We've used the Pro heads with excellent results and the numbers in their catalogs were always "dead-on" with our flow bench readings. 02 1. 600'' (1. 16 World's SR Torquer provides up to 30HP over stock heads. Lowest Price Guarantee. Cylinder Heads S/R SBC 15 S/R Torquer SBC 16 Sportsman II SBC 17 Motown 220 SBC 18 Merlin BBC 19 Merlin BBC 20 Windsor Sr. Part Number: 955-042670-1. 94 intake head is World Products # 4360; Head Flow @ . When I build my VS-57 supercharged 283 one day, these will be the heads that I use. Rocker stud are drilled and tapped tor screw-in studs. 88 - $891. Good performance head. Head chamber is 64cc. Designed to accept early and late model accessories including dual valve cover bolt patterns. Made for a 305 but I have a 76 355 with flat top pistons and a 222/222 GM cam. The S/R Tourquer cylinder head is the preferred performance alternative to expensive OEM castings or junkyard rebuilds. Jeg's. 84-/1. That may mean that larger 2. There is also a "Y" and an "x". 500'' max. Note: accepted by many racing associations as stock. 940'' x 1. 94 version. www. 02 world heads and flat tops with valve releifs. The S/R Torquer cast-iron heads use 2. World Products S/R Torquer Cylinder Heads. 1. with a Holley 750 vacuum secondaries and Dart (world products) SR torquer heads with 2. Click image to zoom. Combustion Chamber Volume (cc): 58. 02/1. 480 lift and were not sure on the deck height or gaskets so Im figuring 9. These are comparable numbers to a Nov 5, 2004 · The Vortecs, being 64cc's will drop it under 9:1. item 2 World Products 043610 S/R Torquer Head, 171CC Intake, 67CC, 1. I just picked up a used set of 305 torquer heads for 450. My Blackstone ported S/R Torquer Flow Numbers are very interesting to compare to a Blackstone ported Brodix Trac 1 head (which is a damn fine aluminum head by the way!) pictured to the right. 040 over 350 with 10:1 flat tops. 521/. 600″ Straight Plug, Bare Casting . Larry Oct 30, 2010 · by ProPower engines » Sat Oct 30, 2010 5:17 am. Estimated to ship direct from manufacturer Monday. the cam is a lunati bracket II. Those heads have only a 171 cc intake port, which meant I gave up some high end horsepower, but bottom end and mid range torque was much improved due to the higher velocity of the intake charge from the smaller port. $882. I had a 355 with vortec heads and I loved it. They're a bargain in my book. A local race group wants to add an optional head for use in there limited 2bbl class and the world stuff is too hard to get here without long waits and costly freight. com. 5 76cc heads, except at . The heads are available bare or assembled for a variety of applications. BR 170cc/76cc Straight Plug, Assembled, PairBR Features 170cc intake runners and can provide up to 30 HP increase over OEM castings. 500'' Exh Valves. Okay so I got a question for you guys. 050 with . Apr 11, 2010 · 76cc heads. 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. 23° heads for small block Chevy. 1988 is identified by "8X8. Cylinder Head, Iron Eagle SS, Cast Iron, Assembled, 67cc Chamber, 170cc Intake Runner, Chevy, 1996-99 Vortec 350, Each. That will get you a much better head design as well as a nice bump in compression, but should still run easily on 93 unleaded. 94/1. Summit Racing Part Number: WRL-042650-1. $1117. Nov 27, 2004. If you want to save a few bucks get these SDPC L 98 Heads They work great on TBI trucks and flow plenty for TBI. Chevrolet Performance 12558060 Chevrolet Performance Cast Iron Vortec SBC Heads. Small Block Chevy S/R Torquer Cast Iron Cylinder Head170cc Intake Ports67cc Combustion ChambersCut for 2. They orginally came on the TBI Birds and Camaros. Offered in 67cc and 72cc combustion chamber, From 180cc, 200cc to 230cc intake runners and straight or angle plug heads. mike. 0L/305 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Find many great new & used options and get the best deals for World Products S/R Torquer Cylinder Heads 042660-1 at the best online prices at eBay! Free shipping for many products! May 15, 2006 · Right now I have World Products S/R Torquer heads with 64 cc chambers and flat top pistons. 400-inch valve lift to the 882 head but is better by 15 cfm at 0. These heads have double hump casting marks. World Products S/R cylinder heads make it easy to rebuild your engine affordably. 94-1. Valve Seats: Integral intake,hardened steel exhaust. 60" valves, 64CC combustion chambers, DO have accessory holes, intake port volume should be 161CC's, exhaust port volume should be 62CC's. Using SR torquer 2. 60-inch valves and intake ports that are 170cc, paired with 67cc or 76cc combustion chambers. #12. I guessed that they are world heads from the large "W" under the valve cover and with the "S/R" but other than that I have no idea what they are supposed to be. Apr 1, 1999 · The torquer offers great airflow for a low price with virtually identical flow at 0. 215-674-5240. Sep 23, 2018 · World Products offers several different performance cylinder heads for small-block Chevys. Like the S/R Torquer, they are available completely assembled with valves and springs or as fully machined bare World Products S/R Torquer Cylinder Heads 042670 Cylinder Head, S/R Torquer, Cast Iron, Bare, 76cc Chamber, 170cc Intake, Chevy, 302, 327, 350, 400, Each Part Number: WRL-042670 Nov 5, 2016 · It is a . They come with 171-cc runners, 58- cc chambers, and screw-in studs. 6 heads gained flow. 2 days ago · World Products S/R Cylinder Heads. 58cc Combustion Chambers. 250″ springs for hydraulic flat tappet lifters CHEVROLET SMALL BLOCK, CYLINDER HEADS →, IRON 23 Degree 170cc Jul 4, 2013 · Combustion Chamber: 67cc or 76cc, straight plug orientation. Sportsman II Cast Iron Cylinder Head 200cc Intake Ports. 94 x 1. They had 2. These heads are designed with extra-thick decks and walls for improved reliability as well as equipped with hardened steel exhaust seats that are compatible with today Aug 12, 2002 · Replaced World Products 305 S/R Torquer heads with '96 - '97 Chevy truck L31 Vortec cast iron heads, GM P/N 12558060. 84 I and 1. 79. 420"/exh . Found some brand new bare castings for $400. 447” lift with 1. To make a long story short the valve guides are wasted and it needs a valve job or new valves. 02 x 1. 50 valves to work with the 283's small bore size. 50 . 22 Main Caps 23 ARP Nov 19, 2007 · s/r torquers would be alright for a torque inspired 383. 600″ Straight Plug, Assembly w/ 1. 60 valves and have been pocket ported. Product Q&A. I'd love to see the two compared, so as to see at what point in lift, the 2. I'm trying to determine about how much horsepower difference the AFR's would make with the rest of my existing setup. 5 valves on my 406 & it was strong. 600 valves, 170cc intake runner. They're just plain better than the old heads. Small Block Chevy 327-400ci S/R Torquer Cast Iron Cylinder Heads 1. World uses two dating systems, the first is two numbers separated by an "X," with the numbers representing the last two digits of the casting year. Manley stainless steel valves. The 305 listed 305 heads have 1. Spark Plug: 14mm 5/8" . but, if i was buying heads anyway i would get the RHS vortec heads. 250'' Valve Springs, . Product Line: World Products S/R Cylinder Heads. Send your test suggestions to: Super Chevy Magazine May 29, 2024 · World Products. 170cc intake runner. 7, TBI, Comp Cams 12-249-4 cam, Edelbrock intake and headders. It is a head made for porting with extra thick walls, unless you're a competent head porter that can carve these walls to a proper profile, this head will not show its true colors. They are a good low cost way to gain a little power. 521 lift mechanical flat tappet cam, full roller rockers, Performer RPM, Holley 670 Street Avenger, Hedman headers, Pertronics HEI, 4 speed manual World Products S/R Cylinder Heads 042650. 70 SS Camaro, 454 Alum. Brodix 1001001A - Track 1 Series Cylinder Heads 221cc Intake Ports. It’s a near duplicate of the original 327/350hp cam with slightly shorter seat timing, around 290/290 @ . Apr 2, 2005 · PRH. World, S/R Torquer Cast Iron Chev SB Head, 170cc/76cc, Assm. Edelbrock performer #2102 cam lift int . 50 or 2. #3 · May 1, 2005. These cast iron heads feature: * Power-building Cylinder Heads Product Line: World Products S/R Torquer Cylinder Heads Summit Racing Part Number: WRL-042660-1 UPC: 816642020500 Combustion Chamber Volume (cc): 67 Intake Runner Volume (cc): 170cc Exhaust Runner Volume (cc): 65cc Cylinder Head Style: Assembled Cylinder Head Material: Cast iron Intake Port Shape: Rectangular Intake Valve Sep 30, 2001 · The Sportsman II's and S/R Torquers aren't your only cast iron head options. 50, SINGLE $349. nginx Cylinder Heads. 560'' Max Lift for Hydraulic Cam. I never heard of the 336 till I had gotten it but after some research I saw it was basicily the same as the 487's, 441, and such. Use 14 mm-5/8", . 500'' for S/R Torquer 305) Rocker Arm Studs: 3/8'' shank, screw-in style with hex shoulder furnished (complete assemblies only 67 cc / 1. Jun 5, 2020 · I have pretty close to the same setup, except I have a Victor Jr. Edelbrock performer 1406 600cfm carb. Hardened exhaust valve seats. 500 lift. 94 intake head is World Products # 4361; 76 cc / 1. 20/1. 16. World Products 011150-2 $644. 022 lash, RPM intake, 650 dp and stock S/R torquer 2. 60 valves. 442". T. 04. 5:1 at best and probably lower. Feb 23, 2008 · If you need a set of Vortec heads check out these Vortec heads at Jegs. Jan 15, 2013 · 336 and 487 heads. 02 heads with a home made port job. let er buck!! Feb 22, 2007 · World Products makes the S/R Torquer 305 heads which are designed for small blocks 265-307. 170cc Intake Ports. Dec 18, 2005 · Yes, they are steel or cast iron rather. They feature hardened steel exhaust seats compatible with unleaded gasoline, extra-thick decks and walls for improved reliability, tapped for screw-in rocker studs, and machined valve cover rails to eliminate leaks. 60 Valves Large intake World Products 042650-1 - Small Block Chevy 305ci S/R Cast Iron Cylinder Head 170cc Intake Ports. they make them for a standard intake now too (i think). 02, 170cc runners w/ 67 cc chamber) ) on my 350. Mike Rogers. Jan 3, 2004 · World S/R Torquer heads? Jump to Latest Follow 1K views 2 replies 2 participants last post by ets1945 Jan 3, 2004 Do you have any numbers on the W/Products SR and S/R Torquers? Not even W/Products seems to have numbers on their 1. 250'' single spring, 100# @ seat, . I just got a set of heads one casting is 487 and one is 336 for small block chevy. Cut for 1. 6 comp cam roller rockers and flow 238cfm at . 50-inch valves with either 67 or 76- cc combustion chambers. 6 and 76CC chambers. we have a class in one of the local dirt series that allows the use of either the Dart or World OE type head, or an OE open Apr 29, 2005 · 10 Posts. Screw in studs. 495 lift . 10. Look The included valve springs are designed for use with hydraulic flat tappet camshafts. BR 170cc/67cc Straight Plug, Assembled, PairBR Features 170cc intake runners and can provide up to 30 HP increase over OEM castings. These heads allow the use of larger 1. 500-inch lift and 18 cfm better on the exhaust side. They feature the following; Bronze valve guides. I've also got a 650 cfm edelbrock carb. The cam is a 292 degree, 230 at . Nov 1, 2010 · Out of the box the SR doesn't show really good numbers on the flow bench. Using a the Speed Pro CS-179R cam. World Products S/R Torquer Cylinder Heads 042670 Cylinder Head, S/R Torquer, Cast Iron, Bare, 76cc Chamber, 170cc Intake, Chevy, 302, 327, 350, 400, Each Part Number: WRL-042670 Apr 9, 2024 · Small Block Chevy 327-400ci S/R Torquer Cast Iron Cylinder Heads. Do you think these heads will help or hurt my HP in this 355. 030 over but I won't know until they check it out), align-bore the mains, install Nov 6, 2012 · If I remember correctly the SR 305 Torquer heads had relocated 2. Would it be more cost efective and worth while to redo these heads or just buy a set of patriot performance freedom seris 185s. 500″ (305CID) Straight Plug, Bare Castings World’s S/R cylinder Head are the preferred alternative to expensive OEM castings or junkyard rebuilds. 60 valves with 1. May 12, 2004 · We may earn a commission for products purchased through links on this page . The port velocity of the smaller runners builds torque, and while the Performer and AFR heads with the larger runners showed higher peak HP and TQ numbers on the dyno, I did not believe that peak power was as important as low and Jan 15, 2008 · I bet a set of 305 #416 or 601 heads with a little clean-up work would run better than the Torquer heads. No more searching junkyards looking for cylinder heads for your motor. They will give you about a 30 Hp increase over your stock heads. World, S/R Torquer Cast Iron Chev SB Head, 170cc/76cc, BareBR 170cc/76cc Straight Plug, Bare, PairBR Features 170cc intake runners and can provide up to 30 HP increase over OEM castings. Bare Head, Sold Individually. I have a set of s/r torquer heads on my 383 that have 2. Built for hydraulic cam-equipped engines, you have the choice of 11/4- or 17/16-inch single-valve springs. 64. SIR and sm Torquer In the center Of the valvetrain area, between the middle rtN2ker stt_K' find the mark. 50 exhaust, 170cc runners, 58cc chambers. lift, 2. " The other is used on S/R Chevrolet heads for Chevrolet engines, where "AV8," indicates January 1998. Mar 1, 1999 · Another issue with the 305 S/R Torquer heads is that the valve angles are altered to assure no valve-to-cylinder-wall clearance problems. 02 or 1. Step 5. 5 compression points so I swapped out gaskets for steel shim . 94 1. 437'' Valve Springs, . That plus the Voodoo 268 cam and you should run low 13's and near 100mph in the 1/4. 50, SINGLE World Products 043610 S/R Torquer Head, 171CC Intake, 67CC, 1. Hey do any of you guys have any current real world flow numbers for the World 043600-043610 heads versus RHS 12400 and 12402 heads. "492" – 3991492. I run the Dart IE180 with 72c chambers, and this made a huge difference over my stock heads. Dec 27, 2023 · World Products S/R Torquer Cylinder Heads. #2 · Nov 3, 2006. 99. Sep 7, 2007 · 1877 posts · Joined 2004. These heads are 58cc chambers and 170 cc runners 1. Vortec Heads require a Vortec style intake manifold due to its improved manifold mounting flange and gasket design and raised intake ports. Nov 3, 2006 · 18069 posts · Joined 2005. UPC: 816642020487. Mar 20, 2001 · Take a look at the Dart Iron Eagle S/S. They have hardened seats for unleaded gas, better combustion chamber shape, and have the old style bolt patterns unlike Vortech heads. 07-24-05 09:17 AM - Post# 746594. I kinda like the World S/R Torquer heads. Valve Size: 2. These cast iron heads feature: * Power Alright so I have a set of brand new World Products S/R Torquer heads with 67cc chambers 170cc intake runner 2. World’s SR TORQUER provides up to 30HP over stock Head. They have a 76cc chamber, 2. 500-inch lift while the exhaust flowed a max of 134 cfm at 0. Dart also makes an iron head that's 165cc's with the std OE style chamber and iron cast in guides, like the World S/R head, and is available in a 1. Valve Angle: Stock 23°. 5 comp, Comp 282 solid 110 ls 106 cl 236@. 015 thick. Small Block Chevy S/R Cast Iron Cylinder Head. 020″ x 1. Item Details Straight Plug, 2. They were found on 1970 LT-1 engines. $891. $652. (0) $1,971. In loving memory of lost CorvetteForum Brothers and Sisters World Products Sr Torquer Cylinder Heads 042660-1. 7" rods. 550-inch lift (28 in Hg). World Products, S/R Torquer Cast Iron Chev SB Head, 170cc/67cc, Straight Plug, 98218 Upgrade, Assembled, Pair: 170cc/67cc Straight Plug, Assembled, 98218 Valve Spring Upgrade, Pair *Assembled by Competition Products: In Stock Oct 1, 2001 · Originally configured for 350ci engines, World also offers an S/R Torquer 305 with a smaller 58cc chamber and 1. Vortec Iron, Scoggin-Dickey Modified PN SD8060A2, $779. Jan 13, 2005 · World Products 305 Torquer heads. Intros; In Memoriam. I plan on having the machine shop bore and hone the cylinders (probably to . i didn't gain much when i put the darts on. May 1, 2023 · On the plus side, the Vortec intake port flows 42 cfm better than the stock heads at 0. 60/2. May 14, 2008 · I ran a 12. 04 World Products Small Block Chevy S/R Torquer Cast Iron Cylinder Heads. Roller Cam. Port volume: I=180 E=165. 60 valves) Are the torquer heads a better option for me? The two WP heads are the same price. Can get them assembled with either hyd or hyd roller valve spring. 15. Valve Cover Rail: Raised w/ perimeter and center bolt pattern. 60 Valves Large intake World Products Small Block Chevy S/R Cast Iron Cylinder Heads. Material: High density cast iron The included valve springs are designed for use with hydraulic flat tappet camshafts. Home / CYLINDER HEADS → / CHEVROLET SMALL BLOCK / IRON 23 Degree 170cc / World Products 042670-1 – Cylinder Head Cast Iron Chevy Small Block S/R Torquer 170cc 76cc 23Degree 2. The Vortec heads require a different intake manifold, and Car Craft chose an Edelbrock Super Victor. Speedmaster PCE281. Stock 5. 5 rocker arms and 114LSA. Small Block, 708 HP plus nitrous. Maybe 170 cc on the intake runner. centerbolt World S/R Torquers are the best for TBI IMHO. Cobalt gave you a link which shows these heads from as cast flow to properly ported, you Small-bore 305 Torquer heads are available for 305-ci and other small-bore engines. 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. 940″ x 1. Edelbrock 2101 performer intake. World Products 042650 – Cylinder Head Cast Iron Chevy Small Block S/R 170cc 58cc 23Degree 1. 99 item 3 VINTAGE Chevy 350 World Products S/R Torquer I-052 Loaded cylinder heads VINTAGE Chevy 350 World Products S/R Torquer I-052 Loaded cylinder heads Find World Products S/R Torquer Cylinder Heads Valve Springs Included and get Free Shipping on Orders Over $109 at Summit Racing! Bolt on a set of affordable World Products S/R Torquer heads and add some serious muscle to your small block Chevy—up to 30 horses over stock. See more product details. Give strong consideration to DART Iron EAgle Heads. (0) $882. Go into gmperformanceparts. 500-inch valve lift. 750" intake plate, without exhaust tube, and 28" of water. yl yu sp pt pb fa to re yt fx