Piston

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Piston

Post  pigs521bbf on May 11th 2018, 8:18 pm

I’m gonna order some pistons for my 521 bbf. I called Diamond and they suggested #40515 but I’m wondering if this piston will work because it’s with iron CJ heads that are ported by Scotty. I am changing pistons because I am thinking about using some nitrous. Any suggestions?

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Re: Piston

Post  pigs521bbf on May 11th 2018, 8:35 pm

Sorry the motor is 0.40 over and rods are 6.8

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Re: Piston

Post  The Mad Porter on May 13th 2018, 4:34 pm


That is not the correct piston.

Icon is a good bet.

https://www.uempistons.com/index.php?main_page=product_piston_info&cPath=8_9_13&products_id=281&zenid=76a390a83d2fd0410e55d664661495d1


We typically use Racetec, Autotec or Icon pistons when better slugs are needed.




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