Thread: Speed Pro/ Seal Power piston question
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Old 10-21-2022, 06:36 PM   #3
pmrphil
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Default Re: Speed Pro/ Seal Power piston question
Quote:
Originally Posted by SDT1DYI View Post
Are the SBC Speed Pro/ Seal Power pistons specified as the NHRA approved replacement pistons, FORGED aluminum or are they Hypertic silicone aluminum?
Anybody know for sure???
Do you have a part number?
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Phil Molski
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