Speirs racing heads. I almost wanna buy it, and put a set of Heads on it. 490cfm at . 250 Valve Job. 14,659 likes · 1,732 talking about this · 31 were here. Airspeeds on the faster side for drivability. Just the entry model but works perfect to check engine if they are sealed up! For under $75 you can't go wrong! Charles Marine and 116 others 12 James 2 mos 9 Shawn Patterson Speier Racing Heads also worth mentioning its with a 1. 8 cid SRH in Vizard BBC Book "Terry Walters and I did mud motor that had to have Iron heads. Wanting to argue, say "prove it", etc. 50PF/23º has quickly become a favorite among engine builders and racers Worldwide! This cylinder head is a very popular choice for 406-421's. 200 138/108 . $1895 Add $200 for CNC Chambers. Speier Racing Heads line of CNC Cylinder Heads come with race track and dyno proven results! We are all about RESULTS. Its a 13. Bigger bore will help! I could play with a back cut but the valve is CrN coated. Disassemble and clean Fully Ported (All chambers, intake and exhaust ports) SRH Custom Multi-angle Valve Job (Exacta DD) All seats hand touched with stone Valves refaced w/intake backcut (Sunnen VR7000) Surface mill to MLS finish (Winona CBN) Flow testing (Sanez D680 w/Audie) Speier Racing Heads's post Speier Racing Heads 1d For all you folks, that just wanna argue or say stupid stuff. 930/520@1. I'm getting frustrated with some guys thinking this is a group. $2000 including the useable casting. 0963 Save Reply Quote Like 1 Reply M Malibu78 Discussion starter 10 posts · Joined 2012 #19 ·Apr 4, 2020 Speier Racing Heads, Hays. From CFD analysis to CNC hand finished ports, you can count on Speier Racing Heads! Nov 22, 2023 · The old 360's would run forever on a crappy unported dart head and made 630 ish. 56 port length 255cc runner 2. I need to freshen the epoxy at the Own the port. . 100% ZERO wasted motion, thing of beauty! YOUTUBE. So my bad. Cylinder Head port length + Manifold port length = Total Took the 13º out of the box and put a SRH 52º seat on it and flowed it on a 4. Service after the sale is priority. They use the same Speier Racing Heads, Hays. 165 x 3. Those that know, know. 310 x 3. 15,833 likes · 8,901 talking about this · 31 were here. 650) and maganeese bronze 5/16 guides. Dart's conventional asymmetrical port design, and featuring a 20° rolled valve angle with redesigned shallow combustion chambers. "- David Vizard Please note most builds are not max effort. 155 fixture Last post by SpeierRacingHeads « Fri Nov 20, 2020 7:21 pm SRH has become one of the leading suppliers of properly designed Super Stock cylinder heads. 600 LS Valves KMotion K800 springs Siebert Uploads from Speier Racing Heads Speier Racing Heads 342 videos 18,174 views Updated 4 days ago Play all Oct 26, 2016 · I would be a little skeptical to think Chad's 23 deg heads would do less--unless the 18 deg heads are properly reworked by a skilled craftsman. 🤣 on Sat Rick Lowery As a sprint car engine builder for the last 28 years, if I got 10 HP more every time a mfg sold me a new product that made 10 extra my sprint car engines would now make Here is a 377 I built for those interested. 70PF- 735hp@7500 NA on 409 V F actor v2. 600 lift Add $350 w/USA Roller KIT (225@1. Technical advise, parts choice, cam help, is provide anytime it's requested. BARE- $1995 UPGRADES: Prices ADDED to Packages Beryllium copper seats $400 Hand Finished $450 v2. 150 intake 1. Brodix HV1300 or HV1301 fit perfectly. 300 Valve Job. Speier Racing Heads's post Great news!! We need to get back to a self sufficient country. 78in² MIN 64-72cc chamber 1. 08/1. Years of 23º R&D and a growing list of customers ensure your getting a powerful induction. Chad Speier did the heads. 0963 blwilliams, crazees#2, NPS Nova and 1 other person Reply Like Speier Racing Heads's post We have some rules on this business page I have unfollowed every page I was on. All heads come with optional SRH priority valve job. 91 octane from Dillons 4. Oct 11, 2009 · Pro Filer "Air Wolf" By Dr J's Performance/Speier Racing Heads These guys, Bryce from Dr. $9000 and $11000 with ported manifold. Pro-Filer 13º casting. A better comparison would be a 23 and a 18 degree head within the same persons hands. 121cc $1095 BBC AS-CAST 320cc or 360cc Bare w/SRH 2. leaving the Profilers with more potential for further porting to far surpass the AFR's. 16,224 likes · 10,531 talking about this · 31 were here. the as-cast Profilers match up real close to the fully CNC machined AFR's on a flow bench. Welcome to Speier Racing Heads And this is how you learn. on Sat Eddie Corbin Just always thought no sharp edges on exhaust for heat like glowing hot on Sat Joe Capozzi But only if you golf ball dimple the ports to match. I just updated a set of Ford Edelbrock 7729s for Marty Chance. 700 lift Add $350 ECONO porting, chamber finished, throat sizing, short side reworked, $600 SRH Priority Blended Valve Job, SRH Detailed, and SRH Quality KIT Jan 7, 2012 · VFactor NATION SRH Speier Racing Heads 785. Port developed by Darin Morgan for Aussy Pro-Stock. 30in² MIN 62-68cc chamber Mr Gasket 5823 (trim) 2. MAX-Effort fully ported CALL for price. 400" intake valve while maintaining a conventional layout. 14,671 likes · 642 talking about this · 31 were here. Make runs, pull it, send it back, make changes, make runs. John L Bado and 519 others 73 Powell Daniel I just block the trolls and move on now, 2002 Chevy Cavalier. Don Brackbill and 138 others 10 Ronald Sarvis Exactly nothing beats putting the time in testing 18 hrs Chris PS Strange, you can see the fuel stick to those walls 18 hrs 1 Speier Racing Heads Chris PS wasn't happy 18 hrs 1 Performance Prototyping and Engineering The guys were up against a few issues Jan 20, 2022 · Speier Racing Heads Chad Speier 785-623-0963 mag2555 Guru Posts: 5025 Joined: Sun Sep 18, 2011 3:31 pm Location: Heading for a bang up with Andromeda as we all are. 387) MIN CSA = (Bore x Bore x Stroke x RPM x . 55 MACH) Port_Volume_CC = Average_CSA * Speier Racing Heads The sad part is this guy, which I never heard of, is in the performance business. 00353) / 613. Phillip Reyes and 59 others 3 Peter Nikalaidis Excited to see how it works Speier Racing Heads 1h Dick Larsson and 50 others 9 Bryan Tinsley The lengths a racer will go to know no I don’t know who did these, but I will say I like how he thinks. 2. Great value for a quality cylinder head! 400 cid, 200cc Flo-Tek, 230 HYD roller, PUMP GAS 516TQ@4400 and 520HP@5700! on Wed John Hein Speier Racing Heads I got a set of Sonny’s bb5s for a bbc I’m going to Recent Posts Speier Racing Heads 1h I need to put countersunk screws in it, but you get the idea. Pro-Filer is a USA made casting and used for our VFactor line of 23 degree heads. For the budget minded, SRH offers a quaity Speier Racing Heads, Hays. 060 fixture . 70PF- 750hp@7300 Pump Gas on 440 (URE Built) 5. Trick Flow high port master. BBC AS-CAST 290, 320cc w/SRH HYD Kit* $2295 BBC AS-CAST 290, 320cc w/SRH Roller Kit** $2595 Add $200 for CNC Chambers. 70in² MIN CSA around 225cc Kim Rhoads Finishing up another LS Master for a - Speier Racing Heads | Facebook Speier Racing Heads's post Speier Racing Heads 1d Finishing up another LS Master for a CNC program. CNC program designed in house. Please use drop down menu for options. PAC Springs, Ti17 retainers available now. 150 offset stud rocker to fit a 3/8 pushrod. AND how Pipemax NAILED IT. Welcome to Speier Racing Heads Small Block 23º port designs by Jones Engineering. 94 intake valve 2 mos 7 Shag Leone Shawn Patterson what is the min CSA Recent Posts Speier Racing Heads 16h +2 Terry Kitterman and 161 others 7 Christopher John Do you texture the gasket surface to help The Sniper XL 24 degree cylinder head is the latest in conventional heads providing a powerhouse 500+ cfm with a CNC 430cc intake runner combined with a 2. Welcome to Speier Racing Heads Jan 22, 2013 · RHS makes excellent castings. 💪 With the increase in the cost of the imported product, it will give local companies the ability to increase the price of their own goods and still be the same price or a little cheaper than their competitors. Straight plug chamber for better header fitment. The head is designed for 400+ type engines or those who want to turn a smaller engine harder. Speier Racing Heads sb2 nascar block. 454 made 850 hp and kicked butt. On the grooved valve post. 0963 Reply Like Speier Racing Heads, Hays, Kansas. Speier Racing Heads yeah but he's a badass . 800! Speier Racing Heads, Hays. 50PF- 660@6400 Pump Gas on WE SPECIALIZE IN ALL DOMESTIC CYLINDER HEADS, NO LIMITATIONS! ALL VFactor 23º SBC cylinder heads use a USA ProFiler core special made for SRH Induction (SRH176-X-02) "We DON'T sell flow numbers This is my Import Cleveland offering. COM Untitled video This video was made with Clipchamp Kris Kowalsky and 91 others 10 2 Fred Bartoli How are you holding the spacer plates on the manifold you modified Speier Racing Heads 1d Mar 9, 2013 · Chad Speier 8209 posts · Joined 2008 #21 · Mar 9, 2013 VFactor NATION SRH Speier Racing Heads 785. 40's@2600lbs NA Speier Racing Heads what are the plenum differences between a Victor Jr and a Victory E? NEW "STREET" 205cc and 220cc SBC heads Last post by SpeierRacingHeads « Mon Nov 08, 2021 4:46 pm by SpeierRacingHeads » Mon Nov 08, 2021 4:46 pm 0 Replies 5408 Views Last post by SpeierRacingHeads Mon Nov 08, 2021 4:46 pm Super Stock Last post by SpeierRacingHeads « Wed Sep 15, 2021 4:12 pm Replies: 2 by SpeierRacingHeads » Wed Sep 15, 2021 Plenum mod labor $475. This port was developed in house by Speier Racing Heads. 5BI heads can't be beat. 48 VFactor v2. Dennis Heidt and 174 others 16 Sam Hayden I know you mostly do square port stuff but what are your thoughts on the swirl ramps in Looking at 10+hp. A. The Pro filer 195 may in fact not have the flow numbers of the AFR head, but flow numbers don't tell the entire tale, port velocity also plays a huge role and that's where the profiler shines. ProFiler casting features a standard location exhaust port designed for 1 3/4 headers. 155 and 4" Second Bore and stroke is 4. NHRA GT/FA. 2GM/SPS - SRH INDUCTION! DATA SOON Jul 20, 2024 · Speier Racing Heads's post Speier Racing Heads Jul 20, 2024 Every once in a while you run into a cheap tool that is a must have. 70PF- 730hp@7000 NA on 427 HERE ∙V F actor v2. 70PF- 782hp@7150 and 626@5650 NA on 436 ∙V F actor v2. SRH has spacers in stock. Any manifold porting with smooth walls and top shelf looks add $250. Sportsman fully ported w/burr $750 for SB and $850 BB manifolds. Welcome to Speier Racing Heads Jul 1, 2023 · Speier Racing Heads Chad Speier 785-623-0963 Walter R. I bent the crap out of them but changing them to suite certain people sucks ass. 800/330@1. Badass block. 600 exhaust 45º intake seats radius 50º exhaust seats Jan 20, 2015 · If you are on a budget the Speier Racing Heads V2. ∙V F actor v2. we could all pick on something one of us have said . He is a member of a few private groups a Mar 31, 2020 · VFactor NATIONSRH Speier Racing Heads 785. Welcome to Speier Racing Heads Contact Info: Phone: (785)623-0963 Email: speierracingheads@gmail. he has lots of different options that will be right up your alley. These heads are ideal for maximum effort naturally aspirated, big boost forced induction, or nitrous applications. 465 lobe 55mm tool steel on Fri 2 Norman Henson All the lift on Fri 1 Gary Evans Some shim stock or a single edge razor blade between the spring and retainer would make it a lot easier to set up the dial indicator on Fri 4 Timothy Priester I was very happy to see someone take the heads I designed and do with them exactly what they where meant for. S. I'm going to turn this into a killer - Speier Racing Heads | Facebook Speier Racing Heads's post Speier Racing Heads 6d I'm going to turn this into a killer low profile hood, Super Stock manifold. I wouldn't run them in anything! It scares me to death! Brian was messing around with his laser and I wanted to flow it. 80ED/23ºRR 2. Jun 14, 2014 · Anyone out there using these heads and on what cubic and any HP numbers? I have a 414 SBC and was looking at a upgrade from the brodix 8's to something to help me get in the 750 HP range on motor. 40 port length 205cc runner 4. 35PF/23ºSB 2. I’ve said it for years. 133cc $895 BBC AS-CAST 290cc or 315cc Bare wFACTORY 2. And some guys get it it’s good to see! Aug 13, 2012 · C1 & C2 Corvettes - Beware Speier Racing Heads - He doesn't follow your specs and then doesn't make good for the damage his mistake causes. 600 292/217 . Perfect for a class where people could actually race without paying someone stupid amounts for trick crap. They also have the ability for future upgrade, Speier has them flowing over 300cfm with port work. J's Performance & Chad from Speier Racing Heads have done a GREAT job on the Pro Filer "Air Wolf" This is not a sales ad, Just a hats off to them. Even the 184 bowtie blocks are badass. Made in the U. A! Kit assembled with USA quality. I would contact Chad Speier at Speier Racing heads in Hays, KS. 50PF- 640/585 wHR Pump Gas on 420, Edelbrock 2925 HERE ∙V F actor v2. Uploads from Speier Racing Heads Speier Racing Heads 342 videos 18,174 views Updated 4 days ago Play all Speier Racing Heads, Hays. 7:1 SBC small use of Nitrous 150-250. This head features a GM 363 casting. Details tomorrow. TH200 3speed. 700 One of the most powerful conventional standard location heads available! Pro-Filer as-cast 195/210cc 23º Small Block Cylinder Heads 5 angle valve job, 11/32 bronze guides, MLS surface Bare w/SRH valve job $1950 w/USA HYD KIT (135@1. BBC AS-CAST 290, 320cc Bare w/SRH Valve Job. OPTIONS $500 Hand Finish $800 Copper Seats v2. He wants to sell what he has paid for. Many option available! N2O chambers, 55º seats, valve sizing, call for more info!! 950+ hp in NA bracket trim!!! 730+ hp in Pump Gas trim!!! 1030+ hp from 433 w/single carb!!! Built by Dyno-Tune Engineering Speier Racing heads offers many forms of as cast cylinder heads. I have proved it for 20+ years. In stock just need to pick spring. 1970 350/360hp LT1. 200) . This is a Ancel S100 smoke detector. (Surface finish per application) Fabricated, call for quote. 50PF- 710hp@7200 NA on 406, BURR Holley 300-110 ∙ V F actor v2. He is going to sell them. Welding, call for quote. It’s not what you’re doing but who you’re doing it for. Edelbrock needs a spacer. 00PF/23º $4300 Fully CNC SRH priority ProFiler casting, Custom Multi-Angled Valve Job, MLS Surface finish, Guides Sized. 1140hp at 399. 35 ProFiler 205cc CNC Ferrea 2. Dry sump oiling. com Shipping Address: Speier Racing Heads 3302 US HWY 183 ALT Hays, Kansas 67601 Hours: Monday-Friday- open Saturday- open This is a killer deal. Induction Formulas and Helpful Sites Average_CSA = Port_Volume_CC / (Port_CenterLine_Length * 16. I've been buying all these up I can. You need a . WE SPECIALIZE IN ALL DOMESTIC CYLINDER HEADS, NO LIMITATIONS! ALL VFactor 23º SBC cylinder heads use a USA ProFiler core special made for SRH Induction (SRH176-X-02) "We DON'T sell flow numbers Speier Racing Heads offers complete valvetrain kits to spring assemblies. Welcome to Speier Racing Heads WE SPECIALIZE IN ALL DOMESTIC CYLINDER HEADS, NO LIMITATIONS! ALL VFactor 23º SBC cylinder heads use a USA ProFiler core special made for SRH Induction (SRH176-X-02) "We DON'T sell flow numbers 434 Ford w/20º SRH Pro-Filer Heads Last post by SpeierRacingHeads « Fri Mar 05, 2021 10:56 am by SpeierRacingHeads » Fri Mar 05, 2021 10:56 am 0 Replies 5078 Views Last post by SpeierRacingHeads Fri Mar 05, 2021 10:56 am SRH Pro-Filer Ford on 4. Stay Tuned! Arlen Fadely and 84 others 11 Bob Keys I’ll bet the HP gains from burring the spark plug would be enormous! 😁 2 wks The VFactor v2. 3 16 hrs 3 Speier Racing Heads Steve Taylor I never understood why that Comp Cams spacer never lasted. Welcome to Speier Racing Heads WE SPECIALIZE IN ALL DOMESTIC CYLINDER HEADS, NO LIMITATIONS! ALL VFactor 23º SBC cylinder heads use a USA ProFiler core special made for SRH Induction (SRH176-X-02) "We DON'T sell flow numbers VFactor v3. 14,640 likes · 940 talking about this · 31 were here. Victory titanium intake, PAC 1300 springs, titanium locks, custom exhaust valves. 300 204/144 . 121cc $1395 BBC AS-CAST 320cc or 360cc w/SRH/SRH HYD Kit* 133cc $1495 BBC AS-CAST 290cc or 315cc w/SRH Speier Racing Heads this is the technique for splash zone or epoxy in general? I tried using the moroso 2 part epoxy and it sucks I'm filling the port floor . The ONLY pages I will post on are my business, 23degree, and VFactor, all that I have started. Size and flow data to follow. If you want proven porting skills on iron heads call Chad. Any idea if this would be the ticket without having Tomorrow I'm going to burr finish - Speier Racing Heads | Facebook Speier Racing Heads's post Speier Racing Heads Oct 3 Tomorrow I'm going to burr finish the top of a valve head. 500 280/201 . Off set lifter bores. They are an import casting but come cnc'd and fully prepped from Speier Racing for $1600. The heads with come STANDARD with beryllium copper seats (2. Raised cam tunnel roller cam bearings. Welcome to Speier Racing Heads It's MAGIC! If you think a $1400 ported 2925 is expensive, set down for this one! I'm at 22 hours and $600 welding currenty, plus the manifold core. 85 hp/cid. Sizes. 155. I still have one for a dominator and you could move that carb 1/2 layed in rubber, 16 hrs 2 Steve Taylor Speier Racing Heads dad did plenum spacers also 52 between carb and spacer or shear plate we also reemed out bolt holes in the carbs and dad had 52 durometer inserts made to fit in the bolt Speier Racing Heads, Hays. 766 Speier Racing Heads Do you have a CNC program for an A-460 Motorsports cylinder head? Looking for somewhere above 400 cfm on the intake to support a 574 going in a super gas car GREAT PICTUREon Fri Speier Racing Heads Scott Prager It's a . Welcome to Speier Racing Heads 3 Speier Racing Heads 1d Have a set of CNC hand finished ProFiler 13 degree, beryllium seats w/CrN hollow stem titanium intakes and titanium exhaust. "I think" 35 1 Chopper Scott The Team G works well with modifications. Alan Covert and 190 others 93 Shadetreemotors Help me out as I don’t speak boomer, Why is a sbc small block that puts out a whopping 275hp appealing for NINE Speier Racing Heads 15h I had an engine builder switch directions. Jovan Dujon and 49 others 11 Speier Racing Jun 9, 2025 · Check Speier Racing Heads in Hays, KS, US Highway 40 on Cylex and find ☎ (785) 623-0, contact info, ⌚ opening hours. I truly didn't expect it so soon but here it is! Chad was instrumental in the "Head porter" version of the Pro-filer 23º head. SRH Priority Blended Valve Job, SRH Detailed, and SRH Quality USA Pro-Filer Cylinder Heads SRH EV8 Stainless valves PAC or KMotion spring assemblies Manley Titanium retainers Manley Locators Comp machined locks Custom camshaft Matching Sniper JR (tall or short deck) 118cc MLS finish GM vSB2. 70PF- 760hp@7200 NA on 434, BURR 2970 ∙V F actor v2. I look forward to seeing your approach. and honestly bottom line is he makes so much power with his boosted engines that he doesn't have too worry about making the cylinder head or induction system exactly perfect it isn't necessary in his world . Measure in middle of opening and lengths in middle of runner. The VFactor v2. "I am sick and tired of people hurting heads and manifolds because they want it to look pretty! They bolt them Flo-Tek Big Block Cylinder Heads BBC AS-CAST 320cc or 360cc Bare wFACTORY 2. DYNO numbers don't tell the entire story, also ask about ET's and lap records! The following is performed on all hand ported cylinder heads. 623. Welcome to Speier Racing Heads Feb 12, 2014 · This guy Tech Speier Racing Heads There is a lot of info out there if you look enough. Look at the information on the heads 220cc Air Wolf Mar 19, 2024 · Mike Foster agreed 2 yrs Milton Carroll Speier Racing Heads I'm assuming he's talking about the finish on the deck surface 2 yrs Ronald Weiland Much less 18k 6 hrs 2 Mark Hansen Shadetreemotors you sir are a goof 6 hrs 8 Speier Racing Heads Shadetreemotors that shortblock is 1/2 price 6 hrs 5 Bob Sietman Shadetreemotors go to an NHRA super stock race and watch one of these 275hp engines run a 9 second quarter mile and you will figure it out lol 7 hrs 11 Shadetreemotors Speier Racing Pro-Filer 290 or 320cc Oval AS-CAST kit $4295 Cylinder Heads made in the U. 8 (. 50BI/23ºSB 220cc -BBC- ProFiler BBC 320cc package ProFiler BBC Cylinder Pro-Filer AS-CAST Big Block Cylinder Heads Now available in various intake port runner sizes, you can find the right fit for your application. 03 and 4. They should beat the crap out of people who fuck racing up with stupid rules. This casting has won many races over the years! Jun 29, 2023 · VFactor NATION SRH Speier Racing Heads 785. 133cc $1195 BBC AS-CAST 290cc or 315cc Bare w/SRH 2. 70PF/23º is the perfect cylinder head for larger engines in the 421-434 range. Sep 27, 2024 · Speier Racing Heads Chad Speier 785-623-0963 289nate Guru Posts: 1176 Joined: Thu Aug 09, 2007 1:26 am Location: Los Angeles California Jul 11, 2016 · On the heads, comparing them side by side at the same cc intake ports. 400 248/176 . 365 x 2. These are just quick measurements, do not consider them gospel. Malik Guru Posts: 6975 Joined: Tue Jul 24, 2012 3:15 pm Location: Roseville, Michigan (just north of Detroit) Speier Racing Heads, Hays. I bought a brodex sb2 aluminum block too off the same guy for $800. 0963 Reply Quote Like Show more replies -SBC- ProFiler 23º 205cc "street" CNC ProFiler 23º 220cc "street" CNC IMPORT v2. Fully CNC'd, Valve Job, Decked, Guides Sized. This is the next step for those who want to move into a powerful cylinder head from a 23º. THE FLOWBENCH CONSPIRACY I have had the opportunity to learn from some of the best porters in the industry. The heads will also be offered with Edelbrock's HIP process. 藍 Here is how you navigate the bung holes! Norman J Duncan and 27 others 20 Ron Rees Fungus in da bung hole Speier Racing Heads 8h As-cast/Ported Fairus Mokhtar and 235 others 40 Bob Sietman Speier Racing Heads what would you charge to do a set of cathedral port 5. 82in² AVG CSA 5. Competition keeps prices down. Honestly like them over a dart because there lighter then iron Sep 6, 2014 · Speier Racing Heads VFactor NATION Reply Quote Like C cstraub 10,739 posts · Joined 2005 #12 ·Sep 10, 2014 I'm glad you posted this so let use it to show something: Goal Peak power 650HP at 6500 rpm 2 engines First Bore and Stroke is 4. 14,629 likes · 1,410 talking about this · 31 were here. I designed the head so head porters could take them to extreme levels of efficiency. of same engines to build and wanted to do a inline, then decided Cleveland. Speier Racing Heads is the ONLY other USA dealer for these heads. 14,993 likes · 3,708 talking about this · 31 were here. Exhaust port plates are available. Speier Racing Heads, Hays. 14,629 likes · 1,458 talking about this · 31 were here. 32in² AVG CSA 5. 14,538 likes · 4,451 talking about this · 31 were here. 360 opening Fel Pro 1282 2. 250) . I picked up a Virgin sb2 block out of Illinois for $800. Check out Speier Racing Heads for fully ported Profilers that flat blow the AFR's in the weeds. 250 and 1. ∙ V F actor v2. In testing they made 2. The SFactor 220cc STREET Head is designed for maximum street performance. BBC AS-CAST 365cc Bare w/SRH Valve The SFactor 205cc STREET Head is designed for maximum street performance. yvq na0awiww qk6nj k32zf93 ksknj wqwjni kc7xk tl5 4mf qatht