Ls7 head porting

660 lift dual springs. www. It is unique because it was based on the C5 The GMPP LSX cylinder head is a six bolt head that can be used on C6 ZO6 Corvette LS7 blocks or the GMPP LSX cast iron block. However, it is an entry level part that suffers from the relative inconsistency of large scale mass production. Oct 16, 2013 · 356-T6 aluminum head. 100% USA Made 6 Bolt LSX LS7 Port Castings; 70/68/64cc Combustion Chamber options; 285cc Intake Runners Aug 27, 2012 · On the production LS7 cylinder head, the deck thickness is merely 0. This thicker deck height is shared between between all of Chevrolet’s LSx aftermarket cylinder heads. LS7 Cylinder Head Performance Porting: Intake Flow: 399cfm @ . 650 on a 114lsa in at 112. LS3 heads 25-35 Hp increases. An option for those who only want to fix their stock GM LS7 heads CNC Cylinder Head Porting LMT LS7 head repair/performance package $2,450. • 270cc CNC’d intake ports, 85cc CNC’d exhaust ports. 9" MCSA Port cylinder heads CNC ported and valve jobbed with CHE valve guides and CHE Ductile Iron valve seats. Assembly Includes: FED Custom Stainless Steel Exhaust Valves: 1. 10”, while the 285cc cylinder heads will require a minimum bore size MSD Atomic Airforce intake manifold with modified (shortened) runner length to extend the powerband further for those with higher volume heads, 24x/25x or bigger camshaft, and willing to spin to 7200+rpm. Add to cart. Cast with quality A-356 aluminum, . Jan 18, 2018 · LS7 7. 15° valve angle; minimum 4. The BR 7 is an out-of-the-box version that comes standard with 71 cc combustion chambers, bowls blended, and intake ports matched. Ships on 06/28/24. Brodix BS7 6 bolt Heads. Don’t have LS7 Heads? That’s ok. Apr 9, 2023 · 11. Including 19419197 - LSX-LS7 CNC Ported Cylinder Head Assembly. 270cc CNC’d intake ports, 85cc CNC’d exhaust ports. ) can run any head except the LS7 rectangular-port heads. 00. 00 Includes. • 356-T6 aluminum head. Porting cylinder heads has long been a right of passage for serious hot rodders looking to add power on a modest budget. They are easily identified by the engraved LSX logo on the ends. Our fully CNC'd LS3 heads give you a stock size 2. Sep 22, 2015 · The rectangular-port L92 truck intake follows this exact same formula, and as a result gives up as much as 43 cfm at high lift when bolted to a set of ported heads. Item #: /S-CUSTOMLASER-CYLHD. See Details. This full CNC ported cylinder head offers higher performance and more versatility than factory designs. 0L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More. 590 exhaust with an intake flow of 356cfm and an exhaust flow of 242cfm Login or learn how you can sign up today. Minimum 4. 00 – $ 1,480. 200 / 1. Optimal Chamber Design, Engineered to: Provide More P to V Clearance, Making Room For More Aggressive Camshafts. Jan 12, 2022 · LS7, LS3, and LS9 Cylinder Heads Earlier Gen III LS heads, such as those found on LS1, LS6, and various Q Series truck engines, feature tall intake ports referred to as “cathedral” ports. This combination provides excellent horsepower gains while maintaining a strong torque curve. Sep 26, 2017 · TFS 245 done by Brian Tooley with nitrous exhaust port are prolly the best at a reasonable price. Our All-Star Cast Of Experts Chime In On The Most Intriguing Aspects Of Cylinder Head Port Design. 700 lift. LS7 Performance Cylinder Heads GE 2. katechengines. Reuse Del-West Titanium Intake Valves 2. The LS7 cylinder heads feature rectangular, rather than the cathedral ports found on earlier LS designs. He is supposed to be very good, but I was wondering if any one on here was running a set of heads ported by him? I'll be doing a mid range cam, wife still drives the car sometimes, Our fully CNC'd L83 heads give you a stock size 1. Parts included: 16 Moldstar MS90 valve guides, 8 Ferrea Comp Plus exhaust valves, Texas Speed and Performance dual valve spring kit. Jul 4, 2011 · C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace Dec 26, 2012 · WCCH is a Brodix dealer and the heads he offeres are ported. These aluminum masterpieces of performance feature port and chamber designs based on popular and performance-proven production-style heads, such as the LS3/L92 and LS7 heads. • 70cc CNC’d combustion chambers. The CNC'd GM LS7 head is adequate for producing average power straight from the factory. 502" Valve Job Type: Newen CNC 5 Angle; Air Flow & Performance Criteria. Following porting the cylinder heads will This is the ultimate factory LS7 stock rocker head available featuring 2. -Brian Tooley Racing Hardened Pushrods. 9" MCSA Suit 4. 625” thick. 125" + Bore. 610" sodium-filled exhaust valves • 12° valve angle • Minimum 4. FED specializes in the most advanced high performance cylinder heads and intake manifolds in the aftermarket today. Utilizing low lift flow technology our ports and chamber design maximize flow across the useable lift range. Our latest offering is an excellent option for someone who already owns the CNC'd GM LS7 cylinder Apr 3, 2013 · Twenty five hp for 700 bucks is cheap. 00 – $ 3,120. View Details. Porting is included. Extensive CNC and dyno testing has resulted in one of the most affordable and powerful LS7-based cylinder heads available! Flowing up to 35 CFM more than the stock GM LS7 head, the all-new PRC cylinder heads offer both unmatched power and airflow! Flow Data: @ 4. Optional Install Package - Add $995. 125 intake/1. Benefits Of The Frankenstein F710 LS7 Port Cylinder Heads. 00 Select options; 243/ 317/ 799 CNC Cylinder Head Porting Service $ 900. Aug 21, 2013 · The Brodix LS7 heads combined full CNC porting with a 2. Custom Logo Laser Etching Setup Fee For LS Cylinder HeadsNew. Gonna have $4,000 in the assembled set. Dealer Sign Up » Sep 1, 2017 · The LS3 engines (or any of the 6. The 265 is configured to Click image to open expanded view. C6 Corvette ZR1 & Z06 - HP Gains from CNC/Porting - Hi, Just looking to get some feedback regarding potential power gains from CNC/ported LS7 heads on an otherwise 100% stock vehicle. 628 Exh=3. But as good as the production LS7 was and is, there’s 1x LS7 NxtGen/Brodix SSP BR Series CNC Ported Cylinder Heads. "A totally unique design guaranteed to improve airflow resulting in a huge gain across the board!" The Frankenstein F710 Cylinder Head range is designed to combine their unique valve angle design with the highest grade aluminium which is designed, cast and finished in USA! Apr 23, 2015 · For you numbers guys, I put this stock LS7 tb on the flowbench today and in stock form it flowed 1178 cfm. 00 – $ 1,608. by mag2555 » Thu Jun 02, 2016 11:20 am. 205″. 270cc Intake Port / 85cc Exhaust Port. 660" Spring Kit and Titanium Cylinder Heads Dec 20, 2016 · The rec-port LS7 heads offered some serious peak flow numbers, checking in with 393 cfm at . -GM Performance Cylinder Head Bolts. $2295 & up, Including new OE GM LT1 heads with hollow Jan 25, 2018 · From the best headers & intake to cam swaps & beyond, here's a step-by-step performance upgrade guide for the LS7 7. 220" raised intake runners to provide a better line of sight into the cylinders and allow for an Dec 9, 2013 · Racing Head Service introduces the RHS Pro Elite LS7 Cylinder Heads, designed for big Horsepower, big Cubic Inch Hardcore Street or Race GM LS Engines. These NxtGen cylinder heads will push your LS further than ever before. Flow: 405 CFM @ 0. LS7 rectangle port design. Aftermarket CHE Bronze Valve Guides. 200" titanium intake and 1. Exhaust Flow: 268cfm @ . The Precision Race Components range offers a large selection of high performance cylinder heads to suit all performance applications & all made, machined & ported in-house in USA. Flow number and performance will be the same as the LS7 CNC ported cylinder heads that we use in our 630 horsepower & 660 horsepower C6 ZO6 Corvette engine packages. proheads. 00 pr. • LS7 rectangle port design. Subtotal $4,700. The BR 7 and the STS BR 7 both utilize a 12° valve angle and 2. Cut with LMEs CNC porting and chamber work in house, the performance hike will take your ride to new heights. Request Quote. 70cc CNC’d combustion chambers. com. These high quality made in the USA flanges are 1/2" thick made from 1018 steel. Talk to Richard at WCCH or call Brodix. $1,267. LS7 heads 45-50 Hp increases. 0L LS engine. Symmetrical Port Big Block Chevy Heads & matching Manifolds, LS7 & LS3 manifolds, GenV LT1 Cylinder Heads, LS7 Cylinder Heads & SB Ford SC1 and SC2 Cylinder Heads and Manifolds. -GM Exhaust Manifold Gasket. Not all programs are listed above. 930 intake/1. Starting @ $1,150. 0L, aluminum small block engine. The street heads accommodate valve springs with up to 1. 614″. -GM LS7 MLS Head Gaskets. We even see gains of 30-35rwhp when used in boosted Jun 2, 2016 · Re: LS 862 head porting. 4, 7. 25/1. $4,700. Our program for the GM LS7 castings makes the most from GM's hot rod offering. 000" bore. FREE Shipping. 100% CNC'd 280cc GM LS7 Cylinder Head Package. 400”, whereas the LSx-LS7 cylinder heads, are 0. This head is to suit GM LS7 Type Factory Rocker system. Last updated on 05/06/2024. I just did an lS7 with a 245-252 . Sep 6, 2017 · The LS3 engines (or any of the 6. Bare, Sold Individually. Description: CNC Porting Service Item #: KAT-M6897. com to see all of the Pace Performance offers the best pricing on products offered by Chevrolet Performance Parts. The complete procedure takes about 1 hour to complete. The heads also utilize the popular LS 6-bolt head design, making them compatible with both the RHS® LS Race Block and GM LSX Blocks. 875 LT's and a bone stock intake. $995 + Parts. The factory finished combustion chambers are retained keeping compression ratios the same as stock. 00 Select options; 275 11 Degree LS3 Heads $ 2,680. Qty: Add to Cart. $180 to port your tb or we have this ls7 tb ported for $375. Jan 20, 2014 · Port Lengths : Int=5. 01. 00 Select options West Coast Cylinder Heads. The ultimate LS built from the world-renowned Brodix casting blank. Cylinder Head Porting Modifications performed by Ned Erkman and Cylinder Head Machining Modifications Performed by Serge Tourikian. Assembled with 2. 550 exhaust Brawler LS3 Style CNC Ported Cylinder Heads w/ TSP . Condition: New. Dec 15, 2005 · Preliminary LS7 Head Porting Jump to Latest Follow 3K views 6 replies 6 participants last post by mikesanto70 Jul 24, 2011 Katech Engineering LLC - Cylinder Head Parts & Services. 125" Bore Plate Superflow 600. Start with complete disassembly of heads and measuring of stock guides; Tumble polish intake valves Completely Assembled in the USA. 493" Valve Guide OD: . You can buy the same head from Brodix directly or from other Brodix dealers. We are not supplying castings! This is porting, valve job, and milling only! Precision Race Compo May 15, 2013 · Here is an GM LS7 cylinder head that is being CNC ported. 70cc Combustion Chamber. 260-cc “as-cast” intake ports, 80-cc “as-cast” exhaust ports. 25 intake valve and 1. Designed for a 7,200-rpm redline, the LS7 intake also excels at high RPM. Van Nuys, CA 91406. 700″ Lift. Attached is the throttle body so you can see the quality of work we offer. Increasing Intake Port Airflow by 1 CFM can produce . Select a Sub-Category. LS7 D-Port Head Flange. Standard height exhaust port fits all existing headers. 125-inch or larger bore in order to clear the valves. LS7 CNC Cylinder Head Porting Service $ 950. Flow: 254 CFM @ 0. 600 lift), but shared the 70cc chambers to keep compression consistent. This head must be used on a 4. – February 11, 2018 – Katech Inc. We also baseline a C6 Z06 and prepare it Feb 19, 2018 · DETROIT, Mich. "MAXIMUS112". The LSx-LS7 heads also come with a 6 bolt attachment, versus the 4-bolt attachment of the production LS7 head. • Fully CNC’d ports and chambers. Feb 2, 2009 · C6 Corvette ZR1 & Z06 - Ported LS7 Heads??? - Is anyone getting a substantial increase in flow by porting the LS7 heads? I know you can make good power with milling, but I was told the OEM LS7 heads flowed really well and any increase would be minimal, and would not justify the $$$. -NGK Spark Plugs. The Ultimate Conventional LS Cylinder Head for N/A, Turbo, or Supercharger LS Combinations. Inlet size is increased from 102mm to a massive 112mm. 125+ bores, and the line-topping 12-degree 305cc head, also for 4. 125+ bores. Most modified MSD intake manfiold on the planet. Dart’s new PRO1 LS 12° 285cc CNC Aluminum rectangle port cylinder head for GM LS7 Compatible small block V8 engines take performance to the next level. 70-cc “as-cast” combustion chambers. Raised port roof for better intake manifold alignment with milled heads. FED Custom Billet Rocker Stands Included (Must Use OEM LS7-Style Rockers 260 LS3 Heads $ 2,680. Perfect for Hyd Roller springs & cam. 6-bolt per cylinder bolt pattern; LS7 style rectangle port design Extensive CNC and dyno testing has resulted in one of the most affordable and powerful LS7-based cylinder heads available! Flowing up to 53 CFM more than the stock GM LS7 head, the all-new PRC cylinder heads offer both unmatched power and airflow! The 285cc runner is recommended for higher HP applications with a minimum bore size of 4. Flowing up to 54 cfm intake and 37 cfm exhaust more than the factory LS7 CNC ported cylinder heads, you can achieve 393 cfm with our 265cc and 407 cfm with our 285cc cylinder heads for your street-driven vehicle! The 265cc cylinder heads will require a minimum bore size of 4. 328 GM LS-7 12578449 CNCd OEM shape • 356-T6 aluminum head • Fully CNC’d ports and chambers • LS7 rectangle port design • Assembled with 2. R from Chevrolet's factory racing program in the early to mid-2000s. The LS2 engine also features cathedral-port heads but is technically considered a […] Aug 7, 2022 · OP our Package 4 LS7 Heads with our CNC porting is only $2,443! SIRP Tuning (c6z06 n/a 427ci class 1/4 mile world rerecord holder) ran these exact heads on his world record setting C6z06 before he switched to our Archangel LS7 heads. Price. 100" bore. 165 intake/1. Extensive CNC and dyno testing has resulted in one of the most affordable and powerful LS7-based cylinder heads available! Flowing up to 53 CFM more than the stock GM LS7 head, the all-new PRC cylinder heads offer both unmatched power and airflow! Pricing listed is for the set and Includes: Our Hardened Powder Metal valve guides, Ferrea F2042p Hollow SS Exhaust Valves, Treating and polishing of stock Titanium Intake Valves, Performance Valve Job, Bead Blasting of Cylinder Heads, Resurfacing or milling of cylinder heads, assembly of cylinder heads with new viton valve seals and Tested/Approved for reuse stock LS7 Valve Springs Apr 12, 2024 · The port and chambers are carefully designed to provide the best combination of high flow capabilities and improved port velocity. The raised runner and rolled valve angle increase overall flow capability while an improved water BES / GM LS7 Heads: Price: Ported stock GM castings. Pricing: CNC porting your current LS3 or LS7 cylinder heads Only! $1000. LSX-LS7 CNC-Ported Cylinder Head. 650 . 00 – $ 1,470. L92-style rectangle port design. GM LT, LS7, LS3, LS9 and LSA CNC ported heads. Assembled Option Includes: FED Custom Stainless Steel Exhaust Valves: 1. Both intake and exhaust ports best the factory Mar 10, 2024 · Performance Rebuilds are good for making a used head better than new, mild gains, and having valve train & compression set up specifically for your application on a budget. MAST is prolly the best you can buy but that comes with a cost. 27 HP per cylinder or 2. 16 HP in a V8 Engine. Please call 812-576-2371 for details ask for Preston. 12° valve angle. 000+ bores, the 12-degree 285cc head for 4. 100" bore • 270cc CNC’d intake ports, 85cc CNC’d exhaust ports Description: For Gen 3-4 LS cylinder heads only. 204 / 1. The LS7 is the largest displacement engine in the LS family. Their improved port shapes, along with larger valves, grant greater airflow into the combustion chamber; this allows for substantially more power generated per stroke of the engine! The LSX-L92 head features smaller combustion chambers that are compatible with smaller-bore LS1 and LS6 engines. 614-inch valve package and 71cc combustion chambers to maximize head flow through the 273-cc intake port. May 4, 2010 · Part 2 Of Our Cylinder Head Roundtable. Includes: Labor; Full CNC Porting; Valve Job and Surfacing * Must Supply Your Own Cores * We can customize these specifications and components to your application, just give us a call at 812-576-2371. Brodix sells the head with SS values for $1700. 260cc CNC Porting Package Our Budget CNC porting for LS3's alleviates the primary restrictions in the head. 37″ diameter bases, but can be machined for larger springs. 346 cubic inches of straight crawlin junk. These RHS Aluminum Cylinder Heads are designed with a 12° valve angle and unique . High performance premium cylinder heads and components for LS & LT applications. 625-inch valves. They’ve got three different sizes of LS7 heads, designed to match specific bore sizes: The 11-degree 265cc head intended for 4. Your New PRC CNC Ported 6 Bolt Cylinder Heads Include. 165" titanium intake and 1. Typical gains are 15-30rwhp, along with the benefit of a complete professional rebuild. GM. 700" Intake Average Flow: 265 CFM; Exhaust Average Flow: 177 CFM; Intake Seat Material: Ductile Iron; Intake Port Volume: 305cc; Exhaust Port Volume: 106cc Comparitive Analysis - CNC Ported GM LS7 Head Stock Corvette LS7and ported by Ned. 6 exhaust valve. 614 valve combination.  Come with . 16126 Cantlay St. As you change the values the price goes up quickly. 700" Exhaust Max. D-port head flange for the LS3, LS7, LS9, L99. 610" sodium-filled exhaust valves. They feature full 3D CNC porting ensuring a smooth transition from the port shape to the runner piping without the need for porting/crushing the Katech CNC Porting LS7 8452 or LSX-LS7 Cylinder Heads (PAIR) In Stock (0) Reviews: Write first review. Uses LS3 rocker arms/LS7 bolts. Intake Flow: 399cfm @ . 125". I've talked to at least two respectable shops and heard everything from Feb 28, 2013 · Justin Cesler Writer Feb 28, 2013. It was available in GM’s high performance cars between 2006 and 2015. Jun 6, 2011 · Darin Morgan wrote: 650 at the crank or at the rear wheels. One-time fee to set up a new logo for laser etching. Oct 22, 2014 · Moving forward, we come to Mast’s raised square port LS7 heads. Completely Assembled in the USA. Fully CNC’d ports and chambers. More Info » Jan 7, 2019 · Our LS7 CNC Ported Heads are perfect for the Big Cam Guys looking for 600+RWHP as well as the Stock Cam Guys just looking to get the most bang for their buck while the heads are off. By contrast, the cathedral-port 245 heads were down on port volume (245cc), intake valve size (2. On Today's Episode of the RPM Web Series, we find out exactly how much Ported & Milled heads adds to an LS7 C6 Z06. 99. Headers are less of an increase for about 2000. Intake Port Flow. it had 630ft/lbs at 4500rpm. (818) 705-5454. From basic "Hot-Rod" mild cylinder head porting for that street and strip machine to all out class competition machines where every horsepower matters, you're in good hands with CFM Performance! Precision Race Components CNC Ported LS7 Heads & Cam Package - Customer Supplied Castings - PRR-199-PKGLS7 These are for customer supplied cylinder heads. View . The cathedral-roof shape at the top accommodates the fuel-injector path. CNC ported right from the factory, the LS7 heads offered 773 hp on this RHS-block stroker. Exhaust Port Flow. It sports fully CNC’d ports and combustion chambers using massive 2. Sep 12, 2020 · Performance Roadblock #3: Cylinder Heads. With a peak advertised intake Dec 15, 2005 · Preliminary LS7 Head Porting Jump to Latest Follow 3K views 6 replies 6 participants last post by mikesanto70 Jul 24, 2011 Buy LSX-LS7 CNC-Ported Cylinder Head Assembly From Karl Kustoms, One Of The Largest Online Retailers Of Chevy Performance Parts In The USA. We design and manufacture a large line of cylinder heads for LS1, LS3, LS7, LS9, LT1, LT2 & LT4 engine platforms. The STS BR 7 is a 100% CNC ported version that flows over 375 cfm. If you are looking for more power and better performance from you LS or LT engine, look no further. WCCH LS7. Intake Max. 61 valve combination. With ported heads and a FAST intake still using the stock (fully ported) electronic throttle body it make 697hp at 6800rpm. GPI’s LS7 cylinder heads are CNC ported in house to insure that exact tolerances are maintained. , one of the world’s premier performance engine builders, has expanded its line of proprietary CNC cylinder head porting services for several late-model General Motors LS/LT engines, including LS1, LS2, LS3, LS6, LS7, LT1, and LT4. The LS7 Head Features Improved Port Shapes And Larger Valves, Which Can Increase Air Flow: LS7 heads boast an important advantage over LS3 regarding air intake. 750" deck thickness, and a 6-bolt configuration, the Brodix BS7 castings are the ideal choice for your boosted speedster. Find Intake Manifolds, Fuel Injected Raised Rectangular Port LS7 Cylinder Head Configuration and get Free Shipping on Orders Over $109 at Summit Racing! Jun 14, 2014 · C6 Corvette ZR1 & Z06 - Larry Meaux ported LS7 heads? - My shop sent off a set of heads for me to be ported by Larry Meaux in Louisiana. 19328843 Chevrolet Cylinder Head. Sep 16, 2011 · A sizable step up from the already impressive stock castings, the CNC-ported LS7 heads from Texas Speed featured 285cc intake ports, 70cc combustion chambers, and a 2. 00 Add to cart; LSA CNC Cylinder Head Porting Service $ 900. 00 Select options; Home; Shop; LT1/LT4 CNC Cylinder Head Porting Service; 832-619-1622; 7413 Wright Rd Head Stud Size: . Chevrolet Performance LSX-LS7 CNC-Ported Bare Cylinder Head. Take the wing out of the intake bowl and be dam sure to leave a Venturi in the Exh valve bowl below the seat cuts and if headers will be run be sure to leave the Exh port exit at the flange smaller then the inlet of the header tube , very much so on the floor, in fact do not Aug 21, 2019 · Dart’s 285cc, rectangle-port, LS7 -style head is near the peak of potential for a hot street cylinder head. If higher RPM power is your goal, the L76 and LS3 intake manifolds clearly have the advantage. 10-inch) and peak flow (353 cfm at . Armed with the right knowledge, the Oct 21, 2012 · Ported Darin Morgan LS7 Heads (pics and data) - Background: I recently purchased a 06 ZO6, engine is a freshly built forged 454 LS2 short block but had used WCCH 2 heads (with stainless exh valves) on it with an old Halltech, 1. 590" sodium-filled exhaust valves. They only have one casting for the LS7. LPE CNC Ported LS7 Flow Specs Intake 400 Cfm, The port Jun 22, 2021 · Much like the LS3 head test run on the 468 stroker, this LS7 head test on the larger 495 stroker showed just how well the stock heads work. Jan 7, 2019 · C6 Corvette ZR1 & Z06 - AHP CNC Ported Pkg 4 LS7 Heads (Pics and Data) - American Heritage Performance is now CNC Porting our Ported LS7 Cylinder Heads!!! We have been hard at work on our New LS7 CNC Porting Program for a while now. These 355-T6 aluminum, CNC-ported heads feature a 307cc intake runner, 98cc exhaust runner and 69cc chamber volume. Capable of over 600 horsepower. CNC Ported & other machining for applications where we need to maximize power potential in GM castings. . Increased clamping capacity greatly improves head gasket retention in high horsepower and boosted applications. Porting a set of LS7 Cylinder Heads in our CNC Department. 2L based variants like the L92, LSA, etc. Price: $0. We expanded our line of upgraded CNC ported GM castings. Includes shipping back. The LS7 is a Gen. Head over to www. Bone stock C6 Z06 Before & After only heads no other mods. 650 at the crank is easy as pie. 590 exhaust with an intake flow of 365cfm and an exhaust flow of 236cfm RHS®  LS7 Cylinder Heads are the aftermarket’s first high performance LS-style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valve train setups. Frankenstein ported TFS heads would be my next choice but more expensive. Aluminum LS Family Head Technical Notes: Each head is professionally hand blended to assure proper valve seat dimensions. The engine itself was developed from the 427 cubic inch motor found in the Corvette C5. We see gains of 18-23rwhp when used with the stock cam and gains of 25-30rwhp when used with aftermarket cams. Then ported it and put it back on the bench and it flowed 1219 cfm. -GM LS7 Lifters. • Capable of over 600 horsepower. The 12° based high performance cylinder head has better airflow, more efficient CID offers Performance Cylinder Heads and Intake Manifolds. Check out the specs on our data page. Options: Bare: 50° Valve Job and CHE Bronze Guides. 12 Degree Inline 420+ CFM Intake & 280+ CFM Exhaust One pair of Bare Inline GE LS7 2. Raised Intake And Exhaust Ports For Superior Efficiency. Unmatched Flow Characteristics In A 10 Degree Valve Angle. LS7 CNC-Ported Cylinder Head Assembly. Call (855) 806-1147 or Order Online! Our fully CNC'd LT1/LT4 heads give you a stock size 2. $59. Feb 16, 2021 · C6 Corvette ZR1 & Z06 - Ported factory cast LS7 heads vs aftermarket castings? - About to H/C/I a c6z the package is going to be : TSP cnc ported LS7 heads w solid stainless exhaust valves, bronze valve guides / valve job etc BTR stage 2 cam kit kooks 2” headers CAtless x pipe haltech intake 93 oct my question is LSX-LS9 CYLINDER HEAD ASSEMBLY. The STS BR 7 273 flows over 415 cfm with a 72 cc FED Ported GM LS7 Cylinder Head. 270 & 280cc Full CNC Porting Package Our Full CNC porting for GM 821 LS3's is available in several port sizes. • Minimum 4. We can rework your heads or provide new cores depending on your needs. Installation of the ported heads from Brodix and LPE pushed the peak numbers near 800 hp, with gains as high as 31 hp. im up qc uq ho gg qd hu vf px