ATK's new LS 408CI Stroker!.AVI

This is our new Street/Strip LS/LQ 408CI Stroker! Making 622HP/553TQ you will have an uncontrolable grin on your face!
LQ4 Iron Block .030
Manley 4340 Forged 4" Stroke Crank
Manley 4340 H Beam Rods
Manley -10cc Dish Pistons giving 10.3:1 Compression
Mildly Ported LS3 Heads 2.160/1.590 Valves W/ Pac .650 Max Lift Beehives
Edelbrock Vic Jr Intake
QuickFuel Q-850 Carb
Truck Coil Packs
Hyd. Roller Camshaft 239/255 @50 624/624

[@mr.g2660]

Wow this is why I love GM awesome engines these ls series...

[@JJDaCool1]

Music to my hears great job on the 408ci monster ATK!!

[@ATKENGINES]

Kit alone and balancing would be about $2500+ for all Manley components.

[@arsinist7663]

I'd love to see a video of someone driving with this motor. And maybe a review on how streetable it really is.

[@vdub1955]

If my 6.0L needs to be swapped out am going straight to ATK motors for their LQ4 6.0L motor all power 😁 I might not wait lol!!!!

[@deathmunchy]

holy crap, I hope my motor sounds that good.

[@blazeracer1]

Building one of these for my jet boat!

[@ericperry4934]

Lobe and camshaft part no?

[@justindunnam333]

Planning on building a motor like this except I'm planning to run a turbo on it an need to keep compression down lower what can and piston dish would you recommend for 14-18psi
Thank you

[@dajuanhouston9959]

Round howmuch is that RWHP?AN wow pretty big cam

[@SFTOutdoors]

I would like this exact motor minus the carb Im running a Holley sniper efi for my 69 camaro I'm using a coan turbo 350 trans and there 11" 2800 stall 3.73 gears what would this crate engine cost? And what is your warranty? Thankyou for your time. Hope you here back from you soon! I'm over the small block stuff it's time
To replace the 383

[@jayjones9430]

What size stall would you recommend behind this motor

[@78chevyk5]

what would the stroker kit cost? i have a 03 LQ9 that will need to be bored .030 over.

[@blownpoppm]

would you deliver to the uk? want a ls408 in my nova. can i buy this engine through summit if you dont ship to uk? cheers phil

[@BIGHAL2000]

why did you use dish pistons?

[@fastaSSalex]

What is the lsa on the cam?

[@dennisbryan7522]

how much?? I have a fresh 383 now might wanna join the 600 hp club in the future

[@ATKENGINES]

The complete build Carb to Pan goes for 10K

[@Ls3guy]

can you guys sell me that cam