SVE Aluminum Cylinder Heads for Small Block Ford 302/351 | 170cc & CNC'd 185cc - Overview

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Adding more power to your 302 or 351-based Windsor engine shouldn't cost an arm and a leg. For this reason, we're bringing back the SVE cylinder heads after a few years hiatus. We worked hard on this product to ensure that we brought them back at a competitive price point. These are cast from A356 aluminum, which is same alloy that is used on higher-priced heads, and then each head is accurately machined to spec.
The SVE cylinder heads are currently offered in a 170cc "as cast" option and a CNC'd 185cc version. The specifications and details are long-winded, so please click the links below to learn more about the each cylinder head.
Product Links
SVE 170cc Cylinder Heads: lmr.parts/SVE-6049A-K
SVE 185cc Cylinder Heads: lmr.parts/SVE-6049B-CNC
PTV Checking Tool: lmr.parts/SVE-PTVTOOL
Spark Plugs: lmr.parts/AGSP32CK
Valvetrain Parts: lmr.parts/cam-valvetrain
Watch
How To Install Cylinder Heads: • How To Install 302/351...
How To Check Piston-to-Valve (PTV) Clearance: • How To Check Piston to...
How To Check Pushrod Length: • How To Check Pushrod L...
Chapters
00:00 - Video intro & explanation.
02:13 - 170cc cylinder head overview.
03:39 - 185cc CNC cylinder head overview.
05:18 - Important notes about the cylinder heads.
07:37 - Final thoughts & outro.
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#lmr #mustang #enginebuild
Use of this video is subject to the terms as set forth in our LMR Install Video Disclaimer | lmr.com/page/lmr-install-vide...

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Опубликовано:

19 июн 2024

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Комментарии : 112

@natet1227 2 месяца назад

Just ordered a set of the 185’s for my 331 build. I’ll definitely do a video on the install. Thanks for bringing them back!

@pjcustoms8508 2 месяца назад

Was literally about to pull the trigger on the AFR Enforcers and then you drop this? Thanks for the backstory as I thought it was shelved because not enough sales.

@awee5816 2 месяца назад

Man... Im happy 😁 to see the 185 cc from SVE 👍. The 170's are going to be a joy to have around 🎉🙆🎊!

@pittsky 2 месяца назад

Those 185's look nice.

@latemodelrestoration 2 месяца назад

They're very nice in person!

@josenoyola9851 2 месяца назад

People complaining about $1000 for a pair of aluminum heads……. This ain’t the earlier 2000s go find GT 40s for less than what these go for

@KingJT80 2 месяца назад

And those Gt40s will flow less too. Might as well buy the 185s and be done

@74MaverickMan 2 месяца назад

I paid $1800 for AFR 185s on sale in 2008!

@lldjslim 2 месяца назад

Gt 40's are better these heads are junk

@nothanks81 17 дней назад

Should do a full spec sheet on the site, with what valve train parts come on them.... Got to say the cnc 185 looks like the best budget head these days, so many shops doing those castings from Steven now, rather see the 170's with the 8mm guides though.

@seansdriveway 2 месяца назад

Now, we can finally do sleeper builds on the 89 Crown Vics since these are made for the 302/351 roller motors! Love to see it :D

@adamcartwright6220 2 месяца назад

Hell yeah! Thank you guys for all you do!!

@T-bird_Johnny 2 месяца назад

About grab a set for my Thunderbird, I think, so happy 😊 you brought back the affordable sve heads

@gr8tfoxes617 2 месяца назад

Great to see these back with the added 185s!

@ZXDF51 2 месяца назад

Awesome! I thought these went away because of EPA issues. Nice to see them back.🇺🇸🐺👍

@latemodelrestoration 2 месяца назад

Nope, it was actually because of supply chain issues! We're happy to bring these back, at an affordable price point!

@DarkFoxx88 2 месяца назад

SVE always makes nice products. I’m glad these cylinder heads are back 👍

@DetroitStickUp 2 месяца назад

Hell yeah! I just ordered the 170cc for my build. Thank you for the work to bring them back.

@CR3j35_90kid 2 месяца назад

Nice little set up if you're on a budget. Thanks

@dickkickem5277 2 месяца назад

It’s so nice that you guys are making a low price cylinder head that actually performs. Hopefully it sticks around long enough for me to pick a set up, because I definitely will.

@marcusandre1438 2 месяца назад

1000$ for the 170’s and 1300$ for the 185’s is a really good deal. Considering you can’t even touch most big name brand cylinder heads for a little less than 2000$

@jman38128 2 месяца назад

Just made my purchase can’t wait to receive them I missed out on them years ago lol not this time

@oscarcuevassn95saleemzr12 2 месяца назад

Love you all LMR THANK YOU SO MUCH FOR EVERY THING & EVERY VIDEO 🏁🏁🏁🏁👍👍👍🤙🤙🤙🔥🔥🔥✌️✌️✌️😎😎😎🌞🌞🌞

@cstz24 2 месяца назад

Have a set of the older heads (came on a 93 GT). Matched with a GT40 top end, car pulls like my friend's old 91 GT with a vortec on 8lbs. Happy to see them back!

@cstz24 2 месяца назад

On the site, can you post the flow numbers as you did the old 170's?

@paulhudgins5120 2 месяца назад

Awesome!!

@PANTYEATR1 2 месяца назад

Sweet! 🏆💪

@jplperformance9073 2 месяца назад

Very nice

@Jv19979 2 месяца назад

What would the compression be with 170cc heads stock pistons

@Diondo26 2 месяца назад

looks good ....

@KM-uw4ez 2 месяца назад

Let’s see a stock vs. these heads dyno comparison.

@malcombailey8590 2 месяца назад

That would be great

@latemodelrestoration Месяц назад

It's on the list! No guarantees on a release time, though. -Landan

@kalebpartin Месяц назад

@@latemodelrestorationI got a stock headed fox yall could happily use for test purposes 😂

@LeachimSagrav333 2 месяца назад

So the wider header bolt placing. Is that for Ls headers?

@williamsantiago826 2 месяца назад

It’s about damn time you bring them back affordable power that’s the way it goes

@eljrgonzales5831 2 месяца назад

Will these work with stock pistons?

@24theMoney 2 месяца назад

170cc version should use a 1.90 intake valve , but understood the tooling implications and economic considerations.

@CoyoteFTW 2 месяца назад

This nice very nice

@chrismoher5444 13 дней назад

Good job on the flange part so now the guys with badly built mac headers can fit

@jesusvargas1720 Месяц назад

Which headers would be recommended for these heads? (87 Foxbody 302)

@echota23 2 месяца назад

High ports?

@colinwatson3654 2 месяца назад

🤟

@MF-sk8ww Месяц назад

Great work. I remember the old aluminum heads would warp---was a big problem. You didn't mention that--guess that problem has been eliminated all together. I am looking at a 2.0 super charged in line 4 cyl ford that uses aluminum a head. any comments there? Thanks!!

@latemodelrestoration Месяц назад

Thanks for the feedback. Are you referring to aluminum heads in general warping or the previous SVE heads? -Landan

@fitzdudebrokid 2 месяца назад

Do the 185s typically work with OEM pistons?

@chrislangley4724 2 месяца назад

Wondering myself

@thomsoncarter3121 Месяц назад

Same

@chrislangley4724 Месяц назад

Someone said the guy brital he has a channel on here he plays with foxbodys he did a head swap with sve heads not sure valve size but supposably worked it wasn't these particular heads though

@sategllib2191 2 месяца назад

Can we get some 4.6/5.4 modular heads next? If you could price those about the same as these they would sell like hot cakes

@latemodelrestoration Месяц назад

Thanks for the comment! I'll forward this to our product team. -Landan

@bbq5.0 2 месяца назад

Getting ready to order the 170 heads will they work with the trickflow stage 1 cam.

@Stainlessslayer 2 месяца назад

They'll work flawlessly

@bbq5.0 2 месяца назад

I hope they work with longtube headers

@Stainlessslayer Месяц назад

@bbq5.0 those are an excellent choice as well.

@latemodelrestoration Месяц назад

Yes. I've built a 306 with the 170s, a Trickflow stage 1 cam, and 1.6 rockers. Everything worked great! -Landan

@gregslo5oh575 12 дней назад

do these have to be run with head studs or do regular head bolts work with them?

@latemodelrestoration 8 дней назад

Head bolts will work just fine. Make sure you use reducer bushings if the heads are being installed onto a 302-based engine. -Landan

@gregslo5oh575 8 дней назад

@@latemodelrestoration cool, I also have an old set of Crane 1.7 pedestal mount rockers, will those work or do I have to change to a stud-mount setup?

@latemodelrestoration 8 дней назад

@@gregslo5oh575 You'll have to switch to a stud-mount rocker arm. -Landan

@gregslo5oh575 8 дней назад

@@latemodelrestoration cool, thanks. Getting ready to do a pretty big overhaul on my ol 5.0 so I want to make sure I get all the right stuff.

@franksgarage1445 Месяц назад

Can you run the 170s on a 302 with stock piston? Or the 2.02 intake valve need more clearance?

@latemodelrestoration Месяц назад

What camshaft/roller rockers are you using? -Landan

@franksgarage1445 Месяц назад

Still stock for now, but 95% sure an Anderson N41 with 1.6 rocker for the future

@CCWFOX 2 месяца назад

These are the prices I'm talking about.

@mattjones1378 2 месяца назад

Are these better than trick flow heads

@latemodelrestoration Месяц назад

What Trickflow heads are you trying to compare? They have multiple options. I'd recommend comparing the specs and flow numbers and you'll be able to form your own opinion. Not to mention, different heads will pair better or worse depending on the supporting parts. -Landan

@troymason8738 Месяц назад

How do these work with stock pistons

@latemodelrestoration Месяц назад

You run a "mild" camshaft and check piston-to-valve clearance. I personally like the Trickflow stage 1 cam when running the SVE heads. Good idle quality, good sound, good power band. -Landan

@troymason8738 26 дней назад

How much of an upgrade over gt40p heads?

@latemodelrestoration 16 дней назад

They're constructed from aluminum and they flow better. There really isn't much else to say. -Landan

@kingdappa5485 2 месяца назад

Should have said what cams go best with both set

@latemodelrestoration Месяц назад

That would be valuable information, but there are a way too many combos out there to justify a "best" setup. Thanks for understanding. -Landan

@turbotoys1597 Месяц назад

Glad to see some new stuff for push rod 5.0. My main ? Is about overall deck height is it .500 ? But great props for a budget friendly head.

@williammartino952 2 месяца назад

Wait, why for hyd roller cams only?

@CarsFoodWeed 2 месяца назад

springs are different for roller vs flat tappet

@ferdinandcuevas8457 2 месяца назад

All that You need to do is change the spring package to a package that is compatible with Your camshaft ! 🇺🇸🇵🇷🦊👍

@KingJT80 2 месяца назад

Most people don't run flat tappets as much and they're mostly catered to roller cam fox bodies

@TheGerk30-06 21 день назад

what is the deck thickness? Valve material? Valve Seat material?

@latemodelrestoration 16 дней назад

I'll check on the deck thickness, but I'm pretty sure I remember .325". Valve material: Manganese Bronze Valve seat material: Ductile Iron

@latemodelrestoration 14 дней назад

Looking back on first comment, I stated the valve guide material instead of the valve material and quoted the incorrect seat material. Valve material: Stainless steel (not sure on the specific alloy) Deck thickness (from our supplier): .75" Valve seat material: Powdered metal

@TheGerk30-06 13 дней назад

They have a 3/4 deck thickness?!?!!?!?!

@jplperformance9073 2 месяца назад

So the 170's are 7/16 & 185 are 8mm valve stems????

@hubstang 2 месяца назад

THE VALVE STEM DIAMETERS ARE .344 ON THE 170's and .315 on the 185's.

@anthonygrebner 2 месяца назад

@@hubstangaka, 8mm for the 185s

@Bowman210 2 месяца назад

Ngl I wish yall went 1.94 intake on the 170s

@KingJT80 2 месяца назад

I get that for bolt on head why you would but brodix ST5.0s heads are an American made head with 1.94s and a 55cc chamber

@clintcheezewood 2 месяца назад

Beautiful heads.... However. Day 6 of asking for 94-04 door panels 😂

@latemodelrestoration 2 месяца назад

You're gonna be asking for a while lol

@clintcheezewood 2 месяца назад

@@latemodelrestoration it'll happen one day. I believe in you guys

@patrickwendling6759 2 месяца назад

You need to make a high rise intake port.

@latemodelrestoration Месяц назад

Thanks for the comment! We'll forward the info to our product team.

@ROYCE415 2 месяца назад

are these made in America?

@meanasscobra 2 месяца назад

Lol

@latemodelrestoration Месяц назад

We'll be straight up with you. They're cast and assembled in China. Country of origin aside, these are great cylinder heads with a respectable price point. -Landan

@ROYCE415 Месяц назад

@@latemodelrestoration thank you for the honestly

@jimkalfakis9893 2 месяца назад

So basically, these are copies of the edelbrock performers

@lldjslim 2 месяца назад

Yep they are knockoffs

@timweb1510 2 месяца назад

Those heads should have a cheaper price

@Stainlessslayer 2 месяца назад

So you never bought cylinder heads. Do some price comparisons. These are more than fair priced.

@KingJT80 2 месяца назад

For comparison Edelbrock e streets are almost the same price and you can't even use a roller cam because of the valive seats And the PROMAXX project X 185s are about the same.or a little more This is a fair value for overseas heads

@marcusandre1438 2 месяца назад

1000$ for the 170’s and 1300$ for the 185’s, that’s pretty damn cheap dude

@Sleeper_Solutions 2 месяца назад

Those heads are really cheap for a set.

@KingJT80 2 месяца назад

@@Sleeper_Solutions exactly any cheaper and they'll be flotek heads. At that point you might as well buy used GT40s because talk about an aftermarket head that sucks. I'd rather buy NKBs from skip white if this is the case