Best flat top pistons

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Apr 28, 2021 | 06:31 PM

Gavin Clampitt

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Best flat top pistons

I’m building a 5.3 engine and I am hoping to push 400+ hp. I’m wanting to run flat top pistons. What is the best flat top pistons and rings for the money that I should run?

Apr 28, 2021 | 06:58 PM

wannafbody

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Apr 28, 2021 | 08:22 PM

Gavin Clampitt

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Quote:

Originally Posted by wannafbody

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Any brand recommendations and should I get value relief?

Apr 28, 2021 | 08:29 PM

Tuskyz28

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For a 400 horsepower I would run a factory piston. A 800 horsepower build is a different story.

Spend the money on a nice head, cam and intake setup.

Apr 28, 2021 | 08:34 PM

Gavin Clampitt

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Quote:

Originally Posted by Tuskyz28

For a 400 horsepower I would run a factory piston. A 800 horsepower build is a different story.

Spend the money on a nice head, cam and intake setup.

I’m okay with doing that I just don’t know which brand to really get a factory style piston from since there are so many.

Apr 28, 2021 | 09:03 PM

Tuskyz28

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Quote:

Originally Posted by Gavin Clampitt

I’m okay with doing that I just don’t know which brand to really get a factory style piston from since there are so many.

WS6 Store have some pistons called ICON for 450 dollars. They will get the job done easily.

Apr 28, 2021 | 09:09 PM

stockA4

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Stock 4.8 pistons In my L59 suburb doing work
from a j/y 02 lr4

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Apr 29, 2021 | 12:43 PM

AwesomeAuto

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Grab some used gen 3 4.8 pistons and put them on your 5.3 rods, or just grab some gen 4 5.3 pistons/rods.

I can't even fathom going with forged pistons at only 400 HP.

Apr 29, 2021 | 01:27 PM

#10

stockA4

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Quote:

Originally Posted by AwesomeAuto

Grab some used gen 3 4.8 pistons and put them on your 5.3 rods, or just grab some gen 4 5.3 pistons/rods.

I can't even fathom going with forged pistons at only 400 HP.

I mentioned this already The 4.8 pistons are going to have the best compression height anyways people just don't want to save their money lol
anyhows at this point if you're spending actual real money on Pistons for a 5.3L block just get the damn thing punched out to a 5.7L right? The Pistons cost the same for a few bucks more you could have a lot more cubic inches, that is more fun in my book

Apr 29, 2021 | 04:01 PM

#11

tblentrprz

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What year engine? 2010 to 2014 5.3 have valve reliefs if you plan to push things later (shave heads and higher lift cam). Mahle 2243887 or Sealed Power H1508CPA are $350 add rings of your choice $45 to $80. Find some take outs with rods for cheap.